0 1 REJECTED

R
Revisse and resubm
mit.

02 CO
OMMENTS AS
S NOTED.
Workk may proceed
d subject to co
ompliance with
h and incorporration of comm
ment.
.

03 NO
O COMMENT
TS
Workk may proceed
d.

04 IN
NFORMATION
N ONLY
Accepted for inform
mation only.

This approval does not relieve the vendor of his reresponsibility to

o meet purchasee order conditioons relating to duty,
d
specifications, mateerials, design, construction andd delivery requiirements

Datee CHK
KD REV
VD APPPD

Apr-1
04-A
For Approvall K.Y
Y.H K.Y..H L.S.U L.S.U
6
REV.
ATE
DA DESCRIPTION
D N PRED CHK
KD REVD
D APPD
NO.

THE
ERMAL
GLO TEC Eng
gineering
g Limited
d
RELIE
EF VALVE
E

MAKER LESER
R
PROJECT
TITLE LCO
L TAN
NK FARM
M PROJE
ECT
LOCATIO
N TEMA, GH
HANA
DOCUME
NT TITLE. D
DATA SHEET
S / DRAWING / CA
ALTALO
OG
VENDOR
DOC. NO. HB-16
604-Relief Valve-004
V

VENDOR
SHEET SIZE A4
W/O NO.

TO
OTAL SHEETS
PO NO. 1
(IN
NCL.COVER)
 Page: 1 of 6
Sizing acc. to Date: 2016-04-11 10:15:01
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 10-TVR-101
LESER Job

Sizing - Medium
1000 Designation Light Crude Oil
1004 Formula
1005 Density 960 kg/m
1006 Viscosity or 5.57 cP

Sizing - Service condition

1100 Maximum allowable working pressure
1101 Set pressure p 14 kg/cm-g
1102 Constant superimposed back pressure paf 7.61 kg/cm-g
2102 Variable superimposed back pressure
1103 Built up back pressure pae
1104 Backpressure 7.463 bar-g
1105 Overpressure dp 10.00 %
1106 Environmental pressure pu 1.013 bar
1107 Relieving Temperature T 60 C
1111 Operating Temperature 40 C
1108 Required massflow qm,ab
1109 Volume flow to be discharged (working condition) qvb,ab
1120 Rupture disc correction factor Kc 1.000

Sizing - Calculation
1200 Certified massflow qm,zu 10289.286 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 10.718 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 11432.54 kg/h
1205 Maximum volume flow (working condition) qvb,max 11.909 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed

Valve - General
1500 Article number 4592.2484
1512 Reseller article number
1513 Quantity of safety valve 1
1501 Certified coefficient of discharge for steam and gases K,DG 0.811
1502 Certified coefficient of discharge for liquid K,F 0.566
1453 Orifice D
Lifting device H4
1505 Bonnet / Lifting device
(gastight)
1506 Body-/ Inlet base material 1.0619 / SA 216 WCB
1511 Bonnet Closed Bonnet
4592.2484-14 kg_sm2_g-
1514 Order code
V05V18J69L44X04H03H01-3.2

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 2 of 6
Sizing acc. to Date: 2016-04-11 10:15:01
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 10-TVR-101
LESER Job

Inlet connection
1303 Connection standard acc. to ASME B16.5
1304 DN / NPS 3/4"
1305 PN / PR #150
1306 Flange facing RF

Outlet connection
1353 Connection standard acc. to ASME B16.5
1354 DN / NPS 1"
1355 PN / PR #150
1356 Flange facing RF

Valve - Dimensions
1400 Discharge area Ao 132.732 mm
1401 Discharge diameter do 13 mm
1402 Centre to Face dimensions a 100 mm
1403 Centre to Face dimensions b 100 mm
1405 Height H 330 mm
1406 Weight M 2.6 kg
1411 Inlet flange thickness incl. raised face S1 17 mm
1412 Outlet flange thickness incl. raised face S2 19 mm

Lift
1507 Standard 2.9 mm

Valve - Calculation
1200 Certified massflow qm,zu 10289.286 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 10.718 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 11432.54 kg/h
1205 Maximum volume flow (working condition) qvb,max 11.909 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed
1600 Required actual discharge area Ao, req
1601 Required discharge diameter do,req
1611 Reaction force (acc. to API 520) Fr
1615 Reynolds number Re 50308.174
1616 Correction factor due to viscosity Kv 0.994
1618 Cold differential test pressure CDTP
1620 Cold differential test pressure, manually CDTP

Valve - Accessories
J69 Lifting device H4: Test Gag
L44 Disc material: 1.4571/1.4404

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 3 of 6
Sizing acc. to Date: 2016-04-11 10:15:01
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 10-TVR-101
LESER Job

Valve - Accessories
X04 Spring material: stainless steel 1.4310

Valve - Inspections
H03 LESER CGA: Inspection certificate 3.1 acc. to DIN EN 10204, Declaration of conformity acc. to
PED 97/23/EC

Valve - Material certificates

H01 Material test certificate for body acc. to DIN EN 10204-3.1

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 4 of 6
Sizing acc. to Date: 2016-04-11 10:15:01
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 10-TVR-101
LESER Job

Valve - Part list

PosNo Denomination Q Material ASME Material DIN
12010 1 Inlet body 1 SA 479 316L 1.4404
12020 2 Outlet body 1 SA 216 WCB 1.0619
Hardened Stainless
12070 7 Disc 1 1.4122
steel
12080 8 Guide 1 430/tenifer 1.4104 tenifer
12090 9 Bonnet 1 Carbon steel 1.0460
12120 12 Spindle 1 420 1.4021
12180 18 Adjusting screw 1 430/PTFE 1.4104/PTFE
12190 19 Lock nut 1 SA 479 430 1.4104
12400 40 Lever cover H4 1 Ductile Gr. 60-40-18 0.7040
12540 54 Spring 1 Stainless steel 1.4310
12570 57 Pin 1 Stainless steel 1.4310
12590 59 Securing ring 1 316Ti 1.4571
12610 61 Ball washer 1 Hardened stainless steel 1.3541

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 5 of 6
Sizing acc. to Date: 2016-04-11 10:15:01
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 10-TVR-101
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 6 of 6
Sizing acc. to Date: 2016-04-11 10:15:01
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 10-TVR-101
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 1 of 6
Sizing acc. to Date: 2016-04-11 10:24:05
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-801
LESER Job

Sizing - Medium
1000 Designation Light Crude Oil
1004 Formula
1005 Density 960 kg/m
1006 Viscosity or 5.57 cP

Sizing - Service condition

1100 Maximum allowable working pressure
1101 Set pressure p 14 kg/cm-g
1102 Constant superimposed back pressure paf 7.61 kg/cm-g
2102 Variable superimposed back pressure
1103 Built up back pressure pae
1104 Backpressure 7.463 bar-g
1105 Overpressure dp 10.00 %
1106 Environmental pressure pu 1.013 bar
1107 Relieving Temperature T 60 C
1111 Operating Temperature 40 C
1108 Required massflow qm,ab
1109 Volume flow to be discharged (working condition) qvb,ab
1120 Rupture disc correction factor Kc 1.000

Sizing - Calculation
1200 Certified massflow qm,zu 10289.286 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 10.718 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 11432.54 kg/h
1205 Maximum volume flow (working condition) qvb,max 11.909 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed

Valve - General
1500 Article number 4592.2484
1512 Reseller article number
1513 Quantity of safety valve 1
1501 Certified coefficient of discharge for steam and gases K,DG 0.811
1502 Certified coefficient of discharge for liquid K,F 0.566
1453 Orifice D
Lifting device H4
1505 Bonnet / Lifting device
(gastight)
1506 Body-/ Inlet base material 1.0619 / SA 216 WCB
1511 Bonnet Closed Bonnet
4592.2484-14 kg_sm2_g-
1514 Order code
V05V18J69L44X04H03H01-3.2

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 2 of 6
Sizing acc. to Date: 2016-04-11 10:24:05
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-801
LESER Job

Inlet connection
1303 Connection standard acc. to ASME B16.5
1304 DN / NPS 3/4"
1305 PN / PR #150
1306 Flange facing RF

Outlet connection
1353 Connection standard acc. to ASME B16.5
1354 DN / NPS 1"
1355 PN / PR #150
1356 Flange facing RF

Valve - Dimensions
1400 Discharge area Ao 132.732 mm
1401 Discharge diameter do 13 mm
1402 Centre to Face dimensions a 100 mm
1403 Centre to Face dimensions b 100 mm
1405 Height H 330 mm
1406 Weight M 2.6 kg
1411 Inlet flange thickness incl. raised face S1 17 mm
1412 Outlet flange thickness incl. raised face S2 19 mm

Lift
1507 Standard 2.9 mm

Valve - Calculation
1200 Certified massflow qm,zu 10289.286 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 10.718 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 11432.54 kg/h
1205 Maximum volume flow (working condition) qvb,max 11.909 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed
1600 Required actual discharge area Ao, req
1601 Required discharge diameter do,req
1611 Reaction force (acc. to API 520) Fr
1615 Reynolds number Re 50308.174
1616 Correction factor due to viscosity Kv 0.994
1618 Cold differential test pressure CDTP
1620 Cold differential test pressure, manually CDTP

Valve - Accessories
J69 Lifting device H4: Test Gag
L44 Disc material: 1.4571/1.4404

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 3 of 6
Sizing acc. to Date: 2016-04-11 10:24:05
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-801
LESER Job

Valve - Accessories
X04 Spring material: stainless steel 1.4310

Valve - Inspections
H03 LESER CGA: Inspection certificate 3.1 acc. to DIN EN 10204, Declaration of conformity acc. to
PED 97/23/EC

Valve - Material certificates

H01 Material test certificate for body acc. to DIN EN 10204-3.1

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 4 of 6
Sizing acc. to Date: 2016-04-11 10:24:05
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-801
LESER Job

Valve - Part list

PosNo Denomination Q Material ASME Material DIN
12010 1 Inlet body 1 SA 479 316L 1.4404
12020 2 Outlet body 1 SA 216 WCB 1.0619
Hardened Stainless
12070 7 Disc 1 1.4122
steel
12080 8 Guide 1 430/tenifer 1.4104 tenifer
12090 9 Bonnet 1 Carbon steel 1.0460
12120 12 Spindle 1 420 1.4021
12180 18 Adjusting screw 1 430/PTFE 1.4104/PTFE
12190 19 Lock nut 1 SA 479 430 1.4104
12400 40 Lever cover H4 1 Ductile Gr. 60-40-18 0.7040
12540 54 Spring 1 Stainless steel 1.4310
12570 57 Pin 1 Stainless steel 1.4310
12590 59 Securing ring 1 316Ti 1.4571
12610 61 Ball washer 1 Hardened stainless steel 1.3541

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 5 of 6
Sizing acc. to Date: 2016-04-11 10:24:05
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-801
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 6 of 6
Sizing acc. to Date: 2016-04-11 10:24:05
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-801
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 1 of 6
Sizing acc. to Date: 2016-04-11 09:59:34
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-803
LESER Job

Sizing - Medium
1000 Designation Light Crude Oil
1004 Formula
1005 Density 960 kg/m
1006 Viscosity or 5.57 cP

Sizing - Service condition

1100 Maximum allowable working pressure
1101 Set pressure p 14 kg/cm-g
1102 Constant superimposed back pressure paf 7.61 kg/cm-g
2102 Variable superimposed back pressure
1103 Built up back pressure pae
1104 Backpressure 7.463 bar-g
1105 Overpressure dp 10.00 %
1106 Environmental pressure pu 1.013 bar
1107 Relieving Temperature T 60 C
1111 Operating Temperature 40 C
1108 Required massflow qm,ab
1109 Volume flow to be discharged (working condition) qvb,ab
1120 Rupture disc correction factor Kc 1.000

Sizing - Calculation
1200 Certified massflow qm,zu 10289.286 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 10.718 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 11432.54 kg/h
1205 Maximum volume flow (working condition) qvb,max 11.909 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed

Valve - General
1500 Article number 4592.2484
1512 Reseller article number
1513 Quantity of safety valve 1
1501 Certified coefficient of discharge for steam and gases K,DG 0.811
1502 Certified coefficient of discharge for liquid K,F 0.566
1453 Orifice D
Lifting device H4
1505 Bonnet / Lifting device
(gastight)
1506 Body-/ Inlet base material 1.0619 / SA 216 WCB
1511 Bonnet Closed Bonnet
4592.2484-14 kg_sm2_g-
1514 Order code
V05V18J69L44X04H03H01-3.2

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 2 of 6
Sizing acc. to Date: 2016-04-11 09:59:34
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-803
LESER Job

Inlet connection
1303 Connection standard acc. to ASME B16.5
1304 DN / NPS 3/4"
1305 PN / PR #150
1306 Flange facing RF

Outlet connection
1353 Connection standard acc. to ASME B16.5
1354 DN / NPS 1"
1355 PN / PR #150
1356 Flange facing RF

Valve - Dimensions
1400 Discharge area Ao 132.732 mm
1401 Discharge diameter do 13 mm
1402 Centre to Face dimensions a 100 mm
1403 Centre to Face dimensions b 100 mm
1405 Height H 330 mm
1406 Weight M 2.6 kg
1411 Inlet flange thickness incl. raised face S1 17 mm
1412 Outlet flange thickness incl. raised face S2 19 mm

Lift
1507 Standard 2.9 mm

Valve - Calculation
1200 Certified massflow qm,zu 10289.286 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 10.718 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 11432.54 kg/h
1205 Maximum volume flow (working condition) qvb,max 11.909 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed
1600 Required actual discharge area Ao, req
1601 Required discharge diameter do,req
1611 Reaction force (acc. to API 520) Fr
1615 Reynolds number Re 50308.174
1616 Correction factor due to viscosity Kv 0.994
1618 Cold differential test pressure CDTP
1620 Cold differential test pressure, manually CDTP

Valve - Accessories
J69 Lifting device H4: Test Gag
L44 Disc material: 1.4571/1.4404

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 3 of 6
Sizing acc. to Date: 2016-04-11 09:59:34
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-803
LESER Job

Valve - Accessories
X04 Spring material: stainless steel 1.4310

Valve - Inspections
H03 LESER CGA: Inspection certificate 3.1 acc. to DIN EN 10204, Declaration of conformity acc. to
PED 97/23/EC

Valve - Material certificates

H01 Material test certificate for body acc. to DIN EN 10204-3.1

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 4 of 6
Sizing acc. to Date: 2016-04-11 09:59:34
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-803
LESER Job

Valve - Part list

PosNo Denomination Q Material ASME Material DIN
12010 1 Inlet body 1 SA 479 316L 1.4404
12020 2 Outlet body 1 SA 216 WCB 1.0619
Hardened Stainless
12070 7 Disc 1 1.4122
steel
12080 8 Guide 1 430/tenifer 1.4104 tenifer
12090 9 Bonnet 1 Carbon steel 1.0460
12120 12 Spindle 1 420 1.4021
12180 18 Adjusting screw 1 430/PTFE 1.4104/PTFE
12190 19 Lock nut 1 SA 479 430 1.4104
12400 40 Lever cover H4 1 Ductile Gr. 60-40-18 0.7040
12540 54 Spring 1 Stainless steel 1.4310
12570 57 Pin 1 Stainless steel 1.4310
12590 59 Securing ring 1 316Ti 1.4571
12610 61 Ball washer 1 Hardened stainless steel 1.3541

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 5 of 6
Sizing acc. to Date: 2016-04-11 09:59:34
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-803
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 6 of 6
Sizing acc. to Date: 2016-04-11 09:59:34
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-803
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 09:59:34
Rev.No 1
 Page: 1 of 6
Sizing acc. to Date: 2016-04-11 10:26:39
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-802
LESER Job

Sizing - Medium
1000 Designation Light Crude Oil
1004 Formula
1005 Density 960 kg/m
1006 Viscosity or 5.57 cP

Sizing - Service condition

1100 Maximum allowable working pressure
1101 Set pressure p 14 kg/cm-g
1102 Constant superimposed back pressure paf 1.89 kg/cm-g
2102 Variable superimposed back pressure
1103 Built up back pressure pae
1104 Backpressure 1.853 bar-g
1105 Overpressure dp 10.00 %
1106 Environmental pressure pu 1.013 bar
1107 Relieving Temperature T 60 C
1111 Operating Temperature 40 C
1108 Required massflow qm,ab
1109 Volume flow to be discharged (working condition) qvb,ab
1120 Rupture disc correction factor Kc 1.000

Sizing - Calculation
1200 Certified massflow qm,zu 13636.503 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 14.205 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 15151.67 kg/h
1205 Maximum volume flow (working condition) qvb,max 15.783 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed

Valve - General
1500 Article number 4592.2484
1512 Reseller article number
1513 Quantity of safety valve 1
1501 Certified coefficient of discharge for steam and gases K,DG 0.811
1502 Certified coefficient of discharge for liquid K,F 0.566
1453 Orifice D
Lifting device H4
1505 Bonnet / Lifting device
(gastight)
1506 Body-/ Inlet base material 1.0619 / SA 216 WCB
1511 Bonnet Closed Bonnet
4592.2484-14 kg_sm2_g-
1514 Order code
V05V18J69L44X04H03H01-3.2

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 2 of 6
Sizing acc. to Date: 2016-04-11 10:26:39
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-802
LESER Job

Inlet connection
1303 Connection standard acc. to ASME B16.5
1304 DN / NPS 3/4"
1305 PN / PR #150
1306 Flange facing RF

Outlet connection
1353 Connection standard acc. to ASME B16.5
1354 DN / NPS 1"
1355 PN / PR #150
1356 Flange facing RF

Valve - Dimensions
1400 Discharge area Ao 132.732 mm
1401 Discharge diameter do 13 mm
1402 Centre to Face dimensions a 100 mm
1403 Centre to Face dimensions b 100 mm
1405 Height H 330 mm
1406 Weight M 2.6 kg
1411 Inlet flange thickness incl. raised face S1 17 mm
1412 Outlet flange thickness incl. raised face S2 19 mm

Lift
1507 Standard 2.9 mm

Valve - Calculation
1200 Certified massflow qm,zu 13636.503 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 14.205 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 15151.67 kg/h
1205 Maximum volume flow (working condition) qvb,max 15.783 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed
1600 Required actual discharge area Ao, req
1601 Required discharge diameter do,req
1611 Reaction force (acc. to API 520) Fr
1615 Reynolds number Re 66673.970
1616 Correction factor due to viscosity Kv 0.995
1618 Cold differential test pressure CDTP 11.876 bar-g
1620 Cold differential test pressure, manually CDTP

Valve - Accessories
J69 Lifting device H4: Test Gag
L44 Disc material: 1.4571/1.4404

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 3 of 6
Sizing acc. to Date: 2016-04-11 10:26:39
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-802
LESER Job

Valve - Accessories
X04 Spring material: stainless steel 1.4310

Valve - Inspections
H03 LESER CGA: Inspection certificate 3.1 acc. to DIN EN 10204, Declaration of conformity acc. to
PED 97/23/EC

Valve - Material certificates

H01 Material test certificate for body acc. to DIN EN 10204-3.1

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 4 of 6
Sizing acc. to Date: 2016-04-11 10:26:39
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-802
LESER Job

Valve - Part list

PosNo Denomination Q Material ASME Material DIN
12010 1 Inlet body 1 SA 479 316L 1.4404
12020 2 Outlet body 1 SA 216 WCB 1.0619
Hardened Stainless
12070 7 Disc 1 1.4122
steel
12080 8 Guide 1 430/tenifer 1.4104 tenifer
12090 9 Bonnet 1 Carbon steel 1.0460
12120 12 Spindle 1 420 1.4021
12180 18 Adjusting screw 1 430/PTFE 1.4104/PTFE
12190 19 Lock nut 1 SA 479 430 1.4104
12400 40 Lever cover H4 1 Ductile Gr. 60-40-18 0.7040
12540 54 Spring 1 Stainless steel 1.4310
12570 57 Pin 1 Stainless steel 1.4310
12590 59 Securing ring 1 316Ti 1.4571
12610 61 Ball washer 1 Hardened stainless steel 1.3541

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 5 of 6
Sizing acc. to Date: 2016-04-11 10:26:39
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-802
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 6 of 6
Sizing acc. to Date: 2016-04-11 10:26:39
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-802
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 1 of 6
Sizing acc. to Date: 2016-04-11 10:27:03
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-804
LESER Job

Sizing - Medium
1000 Designation Light Crude Oil
1004 Formula
1005 Density 960 kg/m
1006 Viscosity or 5.57 cP

Sizing - Service condition

1100 Maximum allowable working pressure
1101 Set pressure p 14 kg/cm-g
1102 Constant superimposed back pressure paf 1.89 kg/cm-g
2102 Variable superimposed back pressure
1103 Built up back pressure pae
1104 Backpressure 1.853 bar-g
1105 Overpressure dp 10.00 %
1106 Environmental pressure pu 1.013 bar
1107 Relieving Temperature T 60 C
1111 Operating Temperature 40 C
1108 Required massflow qm,ab
1109 Volume flow to be discharged (working condition) qvb,ab
1120 Rupture disc correction factor Kc 1.000

Sizing - Calculation
1200 Certified massflow qm,zu 13636.503 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 14.205 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 15151.67 kg/h
1205 Maximum volume flow (working condition) qvb,max 15.783 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed

Valve - General
1500 Article number 4592.2484
1512 Reseller article number
1513 Quantity of safety valve 1
1501 Certified coefficient of discharge for steam and gases K,DG 0.811
1502 Certified coefficient of discharge for liquid K,F 0.566
1453 Orifice D
Lifting device H4
1505 Bonnet / Lifting device
(gastight)
1506 Body-/ Inlet base material 1.0619 / SA 216 WCB
1511 Bonnet Closed Bonnet
4592.2484-14 kg_sm2_g-
1514 Order code
V05V18J69L44X04H03H01-3.2

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 2 of 6
Sizing acc. to Date: 2016-04-11 10:27:03
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-804
LESER Job

Inlet connection
1303 Connection standard acc. to ASME B16.5
1304 DN / NPS 3/4"
1305 PN / PR #150
1306 Flange facing RF

Outlet connection
1353 Connection standard acc. to ASME B16.5
1354 DN / NPS 1"
1355 PN / PR #150
1356 Flange facing RF

Valve - Dimensions
1400 Discharge area Ao 132.732 mm
1401 Discharge diameter do 13 mm
1402 Centre to Face dimensions a 100 mm
1403 Centre to Face dimensions b 100 mm
1405 Height H 330 mm
1406 Weight M 2.6 kg
1411 Inlet flange thickness incl. raised face S1 17 mm
1412 Outlet flange thickness incl. raised face S2 19 mm

Lift
1507 Standard 2.9 mm

Valve - Calculation
1200 Certified massflow qm,zu 13636.503 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 14.205 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 15151.67 kg/h
1205 Maximum volume flow (working condition) qvb,max 15.783 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed
1600 Required actual discharge area Ao, req
1601 Required discharge diameter do,req
1611 Reaction force (acc. to API 520) Fr
1615 Reynolds number Re 66673.970
1616 Correction factor due to viscosity Kv 0.995
1618 Cold differential test pressure CDTP 11.876 bar-g
1620 Cold differential test pressure, manually CDTP

Valve - Accessories
J69 Lifting device H4: Test Gag
L44 Disc material: 1.4571/1.4404

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 3 of 6
Sizing acc. to Date: 2016-04-11 10:27:03
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-804
LESER Job

Valve - Accessories
X04 Spring material: stainless steel 1.4310

Valve - Inspections
H03 LESER CGA: Inspection certificate 3.1 acc. to DIN EN 10204, Declaration of conformity acc. to
PED 97/23/EC

Valve - Material certificates

H01 Material test certificate for body acc. to DIN EN 10204-3.1

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 4 of 6
Sizing acc. to Date: 2016-04-11 10:27:03
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-804
LESER Job

Valve - Part list

PosNo Denomination Q Material ASME Material DIN
12010 1 Inlet body 1 SA 479 316L 1.4404
12020 2 Outlet body 1 SA 216 WCB 1.0619
Hardened Stainless
12070 7 Disc 1 1.4122
steel
12080 8 Guide 1 430/tenifer 1.4104 tenifer
12090 9 Bonnet 1 Carbon steel 1.0460
12120 12 Spindle 1 420 1.4021
12180 18 Adjusting screw 1 430/PTFE 1.4104/PTFE
12190 19 Lock nut 1 SA 479 430 1.4104
12400 40 Lever cover H4 1 Ductile Gr. 60-40-18 0.7040
12540 54 Spring 1 Stainless steel 1.4310
12570 57 Pin 1 Stainless steel 1.4310
12590 59 Securing ring 1 316Ti 1.4571
12610 61 Ball washer 1 Hardened stainless steel 1.3541

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 5 of 6
Sizing acc. to Date: 2016-04-11 10:27:03
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-804
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 6 of 6
Sizing acc. to Date: 2016-04-11 10:27:03
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 82-TVR-804
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 1 of 6
Sizing acc. to Date: 2016-04-11 10:16:24
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-201
LESER Job

Sizing - Medium
1000 Designation Light Crude Oil
1004 Formula
1005 Density 960 kg/m
1006 Viscosity or 5.57 cP

Sizing - Service condition

1100 Maximum allowable working pressure
1101 Set pressure p 14 kg/cm-g
1102 Constant superimposed back pressure paf 1.89 kg/cm-g
2102 Variable superimposed back pressure
1103 Built up back pressure pae
1104 Backpressure 1.89 kg/cm-g
1105 Overpressure dp 10.00 %
1106 Environmental pressure pu 1.033 kg/cm
1107 Relieving Temperature T 60 C
1111 Operating Temperature 40 C
1108 Required massflow qm,ab
1109 Volume flow to be discharged (working condition) qvb,ab
1120 Rupture disc correction factor Kc 1.000

Sizing - Calculation
1200 Certified massflow qm,zu 13636.503 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 14.205 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 15151.67 kg/h
1205 Maximum volume flow (working condition) qvb,max 15.783 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed

Valve - General
1500 Article number 4592.2484
1512 Reseller article number
1513 Quantity of safety valve 1
1501 Certified coefficient of discharge for steam and gases K,DG 0.811
1502 Certified coefficient of discharge for liquid K,F 0.566
1453 Orifice D
Lifting device H4
1505 Bonnet / Lifting device
(gastight)
1506 Body-/ Inlet base material 1.0619 / SA 216 WCB
1511 Bonnet Closed Bonnet
4592.2484-14 kg_sm2_g-
1514 Order code
V05V18J69L44X04H03H01-3.2

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 2 of 6
Sizing acc. to Date: 2016-04-11 10:16:24
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-201
LESER Job

Inlet connection
1303 Connection standard acc. to ASME B16.5
1304 DN / NPS 3/4"
1305 PN / PR #150
1306 Flange facing RF

Outlet connection
1353 Connection standard acc. to ASME B16.5
1354 DN / NPS 1"
1355 PN / PR #150
1356 Flange facing RF

Valve - Dimensions
1400 Discharge area Ao 132.732 mm
1401 Discharge diameter do 13 mm
1402 Centre to Face dimensions a 100 mm
1403 Centre to Face dimensions b 100 mm
1405 Height H 330 mm
1406 Weight M 2.6 kg
1411 Inlet flange thickness incl. raised face S1 17 mm
1412 Outlet flange thickness incl. raised face S2 19 mm

Lift
1507 Standard 2.9 mm

Valve - Calculation
1200 Certified massflow qm,zu 13636.503 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 14.205 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 15151.67 kg/h
1205 Maximum volume flow (working condition) qvb,max 15.783 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed
1600 Required actual discharge area Ao, req
1601 Required discharge diameter do,req
1611 Reaction force (acc. to API 520) Fr
1615 Reynolds number Re 66673.970
1616 Correction factor due to viscosity Kv 0.995
1618 Cold differential test pressure CDTP 11.876 bar-g
1620 Cold differential test pressure, manually CDTP

Valve - Accessories
J69 Lifting device H4: Test Gag
L44 Disc material: 1.4571/1.4404

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 3 of 6
Sizing acc. to Date: 2016-04-11 10:16:24
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-201
LESER Job

Valve - Accessories
X04 Spring material: stainless steel 1.4310

Valve - Inspections
H03 LESER CGA: Inspection certificate 3.1 acc. to DIN EN 10204, Declaration of conformity acc. to
PED 97/23/EC

Valve - Material certificates

H01 Material test certificate for body acc. to DIN EN 10204-3.1

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 4 of 6
Sizing acc. to Date: 2016-04-11 10:16:24
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-201
LESER Job

Valve - Part list

PosNo Denomination Q Material ASME Material DIN
12010 1 Inlet body 1 SA 479 316L 1.4404
12020 2 Outlet body 1 SA 216 WCB 1.0619
Hardened Stainless
12070 7 Disc 1 1.4122
steel
12080 8 Guide 1 430/tenifer 1.4104 tenifer
12090 9 Bonnet 1 Carbon steel 1.0460
12120 12 Spindle 1 420 1.4021
12180 18 Adjusting screw 1 430/PTFE 1.4104/PTFE
12190 19 Lock nut 1 SA 479 430 1.4104
12400 40 Lever cover H4 1 Ductile Gr. 60-40-18 0.7040
12540 54 Spring 1 Stainless steel 1.4310
12570 57 Pin 1 Stainless steel 1.4310
12590 59 Securing ring 1 316Ti 1.4571
12610 61 Ball washer 1 Hardened stainless steel 1.3541

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 5 of 6
Sizing acc. to Date: 2016-04-11 10:16:24
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-201
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 6 of 6
Sizing acc. to Date: 2016-04-11 10:16:24
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-201
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:16:24
Rev.No 1
 Page: 1 of 6
Sizing acc. to Date: 2016-04-11 10:31:52
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-202
LESER Job

Sizing - Medium
1000 Designation Light Crude Oil
1004 Formula
1005 Density 960 kg/m
1006 Viscosity or 5.57 cP

Sizing - Service condition

1100 Maximum allowable working pressure
1101 Set pressure p 14 kg/cm-g
1102 Constant superimposed back pressure paf 1.89 kg/cm-g
2102 Variable superimposed back pressure
1103 Built up back pressure pae
1104 Backpressure 1.853 bar-g
1105 Overpressure dp 10.00 %
1106 Environmental pressure pu 1.013 bar
1107 Relieving Temperature T 60 C
1111 Operating Temperature 40 C
1108 Required massflow qm,ab
1109 Volume flow to be discharged (working condition) qvb,ab
1120 Rupture disc correction factor Kc 1.000

Sizing - Calculation
1200 Certified massflow qm,zu 13636.503 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 14.205 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 15151.67 kg/h
1205 Maximum volume flow (working condition) qvb,max 15.783 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed

Valve - General
1500 Article number 4592.2484
1512 Reseller article number
1513 Quantity of safety valve 1
1501 Certified coefficient of discharge for steam and gases K,DG 0.811
1502 Certified coefficient of discharge for liquid K,F 0.566
1453 Orifice D
Lifting device H4
1505 Bonnet / Lifting device
(gastight)
1506 Body-/ Inlet base material 1.0619 / SA 216 WCB
1511 Bonnet Closed Bonnet
4592.2484-14 kg_sm2_g-
1514 Order code
V05V18J69L44X04H03H01-3.2

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 2 of 6
Sizing acc. to Date: 2016-04-11 10:31:52
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-202
LESER Job

Inlet connection
1303 Connection standard acc. to ASME B16.5
1304 DN / NPS 3/4"
1305 PN / PR #150
1306 Flange facing RF

Outlet connection
1353 Connection standard acc. to ASME B16.5
1354 DN / NPS 1"
1355 PN / PR #150
1356 Flange facing RF

Valve - Dimensions
1400 Discharge area Ao 132.732 mm
1401 Discharge diameter do 13 mm
1402 Centre to Face dimensions a 100 mm
1403 Centre to Face dimensions b 100 mm
1405 Height H 330 mm
1406 Weight M 2.6 kg
1411 Inlet flange thickness incl. raised face S1 17 mm
1412 Outlet flange thickness incl. raised face S2 19 mm

Lift
1507 Standard 2.9 mm

Valve - Calculation
1200 Certified massflow qm,zu 13636.503 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 14.205 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 15151.67 kg/h
1205 Maximum volume flow (working condition) qvb,max 15.783 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed
1600 Required actual discharge area Ao, req
1601 Required discharge diameter do,req
1611 Reaction force (acc. to API 520) Fr
1615 Reynolds number Re 66673.970
1616 Correction factor due to viscosity Kv 0.995
1618 Cold differential test pressure CDTP 11.876 bar-g
1620 Cold differential test pressure, manually CDTP

Valve - Accessories
J69 Lifting device H4: Test Gag
L44 Disc material: 1.4571/1.4404

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 3 of 6
Sizing acc. to Date: 2016-04-11 10:31:52
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-202
LESER Job

Valve - Accessories
X04 Spring material: stainless steel 1.4310

Valve - Inspections
H03 LESER CGA: Inspection certificate 3.1 acc. to DIN EN 10204, Declaration of conformity acc. to
PED 97/23/EC

Valve - Material certificates

H01 Material test certificate for body acc. to DIN EN 10204-3.1

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 4 of 6
Sizing acc. to Date: 2016-04-11 10:31:52
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-202
LESER Job

Valve - Part list

PosNo Denomination Q Material ASME Material DIN
12010 1 Inlet body 1 SA 479 316L 1.4404
12020 2 Outlet body 1 SA 216 WCB 1.0619
Hardened Stainless
12070 7 Disc 1 1.4122
steel
12080 8 Guide 1 430/tenifer 1.4104 tenifer
12090 9 Bonnet 1 Carbon steel 1.0460
12120 12 Spindle 1 420 1.4021
12180 18 Adjusting screw 1 430/PTFE 1.4104/PTFE
12190 19 Lock nut 1 SA 479 430 1.4104
12400 40 Lever cover H4 1 Ductile Gr. 60-40-18 0.7040
12540 54 Spring 1 Stainless steel 1.4310
12570 57 Pin 1 Stainless steel 1.4310
12590 59 Securing ring 1 316Ti 1.4571
12610 61 Ball washer 1 Hardened stainless steel 1.3541

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 5 of 6
Sizing acc. to Date: 2016-04-11 10:31:52
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-202
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 6 of 6
Sizing acc. to Date: 2016-04-11 10:31:52
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 20-TVR-202
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 1 of 6
Sizing acc. to Date: 2016-04-11 10:38:17
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 11-TVR-111
LESER Job

Sizing - Medium
1000 Designation Light Crude Oil
1004 Formula
1005 Density 960 kg/m
1006 Viscosity or 5.57 cP

Sizing - Service condition

1100 Maximum allowable working pressure
1101 Set pressure p 14 kg/cm-g
1102 Constant superimposed back pressure paf 6.67 kg/cm-g
2102 Variable superimposed back pressure
1103 Built up back pressure pae
1104 Backpressure 6.541 bar-g
1105 Overpressure dp 10.00 %
1106 Environmental pressure pu 1.013 bar
1107 Relieving Temperature T 60 C
1111 Operating Temperature 40 C
1108 Required massflow qm,ab
1109 Volume flow to be discharged (working condition) qvb,ab
1120 Rupture disc correction factor Kc 1.000

Sizing - Calculation
1200 Certified massflow qm,zu 10896.153 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 11.35 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 12106.837 kg/h
1205 Maximum volume flow (working condition) qvb,max 12.611 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed

Valve - General
1500 Article number 4592.2484
1512 Reseller article number
1513 Quantity of safety valve 1
1501 Certified coefficient of discharge for steam and gases K,DG 0.811
1502 Certified coefficient of discharge for liquid K,F 0.566
1453 Orifice D
Lifting device H4
1505 Bonnet / Lifting device
(gastight)
1506 Body-/ Inlet base material 1.0619 / SA 216 WCB
1511 Bonnet Closed Bonnet
4592.2484-14 kg_sm2_g-
1514 Order code
V05V18J69L44X04H03H01-3.2

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 2 of 6
Sizing acc. to Date: 2016-04-11 10:38:17
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 11-TVR-111
LESER Job

Inlet connection
1303 Connection standard acc. to ASME B16.5
1304 DN / NPS 3/4"
1305 PN / PR #150
1306 Flange facing RF

Outlet connection
1353 Connection standard acc. to ASME B16.5
1354 DN / NPS 1"
1355 PN / PR #150
1356 Flange facing RF

Valve - Dimensions
1400 Discharge area Ao 132.732 mm
1401 Discharge diameter do 13 mm
1402 Centre to Face dimensions a 100 mm
1403 Centre to Face dimensions b 100 mm
1405 Height H 330 mm
1406 Weight M 2.6 kg
1411 Inlet flange thickness incl. raised face S1 17 mm
1412 Outlet flange thickness incl. raised face S2 19 mm

Lift
1507 Standard 2.9 mm

Valve - Calculation
1200 Certified massflow qm,zu 10896.153 kg/h
1201 Certified volumeflow (operating condition) qvb,zu 11.35 m/h
1203 Certified volumeflow (standard condition) qvn,zu
1204 Maximum mass flow qm,max 12106.837 kg/h
1205 Maximum volume flow (working condition) qvb,max 12.611 m/h
1206 Maximum volume flow (standard condition) qvn,max
1207 Capacity exceed
1600 Required actual discharge area Ao, req
1601 Required discharge diameter do,req
1611 Reaction force (acc. to API 520) Fr
1615 Reynolds number Re 53275.376
1616 Correction factor due to viscosity Kv 0.994
1618 Cold differential test pressure CDTP
1620 Cold differential test pressure, manually CDTP

Valve - Accessories
J69 Lifting device H4: Test Gag
L44 Disc material: 1.4571/1.4404

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 3 of 6
Sizing acc. to Date: 2016-04-11 10:38:17
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 11-TVR-111
LESER Job

Valve - Accessories
X04 Spring material: stainless steel 1.4310

Valve - Inspections
H03 LESER CGA: Inspection certificate 3.1 acc. to DIN EN 10204, Declaration of conformity acc. to
PED 97/23/EC

Valve - Material certificates

H01 Material test certificate for body acc. to DIN EN 10204-3.1

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 4 of 6
Sizing acc. to Date: 2016-04-11 10:38:17
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 11-TVR-111
LESER Job

Valve - Part list

PosNo Denomination Q Material ASME Material DIN
12010 1 Inlet body 1 SA 479 316L 1.4404
12020 2 Outlet body 1 SA 216 WCB 1.0619
Hardened Stainless
12070 7 Disc 1 1.4122
steel
12080 8 Guide 1 430/tenifer 1.4104 tenifer
12090 9 Bonnet 1 Carbon steel 1.0460
12120 12 Spindle 1 420 1.4021
12180 18 Adjusting screw 1 430/PTFE 1.4104/PTFE
12190 19 Lock nut 1 SA 479 430 1.4104
12400 40 Lever cover H4 1 Ductile Gr. 60-40-18 0.7040
12540 54 Spring 1 Stainless steel 1.4310
12570 57 Pin 1 Stainless steel 1.4310
12590 59 Securing ring 1 316Ti 1.4571
12610 61 Ball washer 1 Hardened stainless steel 1.3541

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 5 of 6
Sizing acc. to Date: 2016-04-11 10:38:17
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 11-TVR-111
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Page: 6 of 6
Sizing acc. to Date: 2016-04-11 10:38:17
API 520 for Liquid Project: LCO TANK FARM
VALVESTAR - v.7.3.0.50805 Tag No: 11-TVR-111
LESER Job

Drawing

Drawing is a view; the effective geometry could deviate from this view.

Name API 520

Date 2015-09-03 10:31:52
Rev.No 1
 Type
Type 459
Plain lever H3 459
Safety Relief Valves
spring loaded

Contents Chapter/Page

Materials
Available designs 05/02

Type 459
Available designs materials 05/03
How to order
Numbering system 05/04
Article numbers 05/06
Dimensions and weights
Metric Units [Threaded connection] 05/08
[Flanged connection] 05/09
US Units [Threaded connection] 05/10
[Flanged connection] 05/11
Pressure temperature ratings
Metric Units 05/12
Type 459 US Units 05/13
Cap H2
Order information Spare parts 05/14
Available options 05/16
Approvals 05/17
Capacities
Metric Units [Steam, Air, Water] 05/18
US Units [Steam, Air, Water] 05/19
Determination of coefficent 05/20
of discharge Kdr /w

LWN 481.01-E 05/01

 Type 459
Available designs

40 Cap H2
18 Adjusting screw
with bushing
19 Lock nut
9 Bonnet
16 Spring plate
54 Spring
12 Spindle
17 Spring plate
14 Split ring
60 Gasket
8 Guide
57 Pin
61 Ball
7 Disc
2 Outlet body
1 Inlet body
Conventional design Conventional design
Threaded connection Threaded connection
Type 459

Outlet flange 2.4

11 Bonnet
spacer Outlet adaptor 2.1

15 Bellows
60 Gasket

Inlet flange 48

Balanced bellows Conventional design

Threaded connection Flange connection

05/02 LWN 481.01-E

Type 459
Available designs materials

Materials
Item Component Remarks Type 4593 Type 4592 Type 4594

Threaded 1.4104 1.4404 1.4404

connection SA 479 430 SA 479 316L SA 479 316L
1 Base / Inlet body
1.4404 1.4404 1.4404
Flange connection
SA 479 316L SA 479 316L SA 479 316L
0.7043 1.4404 1.4404
2 Outlet body
Ductile Gr. 60-40-18 SA 479 316L SA 479 316L
1.4404 1.4404 1.4404
2.1 Outlet adaptor Flange connection
316L 316L 316L
1.4404 1.4404 1.4404
2.4 Outlet flange Flange connection
316L 316L 316L
1.4122 1.4122 1.4404
7 Disc Metal seat
Hardened stainless steel Hardened stainless steel 316L
1.4104 tenifer 1.4104 tenifer 1.4404
Chrome steel tenifer Chrome steel tenifer 316L
8 Guide
Balanced 1.4404 / SA 316L 1.4404 / SA 316L 1.4404 / SA 316L
bellows design Upper conn. part of balanced bellows Upper conn. part of balanced bellows Upper conn. part of balanced bellows

0.7043 1.0460 1.4404

Ductile Gr. 60-40-18 105 316L
9 Bonnet
Balanced 1.4404 1.4404 1.4404
bellows design 316L 316L 316L
Balanced 1.0460 1.0460 1.4404
11 Bonnet spacer
bellows design Carbon steel Carbon steel 316L
1.4021 1.4404 1.4404
420 316L 316L

Type 459
12 Spindle
Balanced 1.4404 1.4404 1.4404
bellows design 316L 316L 316L
1.4104 1.4104 1.4404
14 Split ring
Chrome steel Chrome steel 316L
Balanced 1.4571 1.4571 1.4571
15 Bellows
bellows design SA 316Ti 316Ti 316Ti
1.0718 1.0718 1.4404
16/17 Spring plate
Steel Steel 316L
Adjusting screw 1.4104 / PTFE 1.4104 / PTFE 1.4404 / PTFE
18
with bushung Chrome steel / PTFE Chrome steel / PTFE 316L / PTFE
1.4104 1.4104 1.4404
19 Lock nut
Chrome steel Chrome steel 316L
1.0718 1.0718 1.4404
40 Cap H2
Steel Steel 316L
1.4404 1.4404 1.4404
48 Inlet flange Flange connection
316L 316L 316L
1.1200 / 1.8159 / 1.7107 1.1200 / 1.8159 / 1.7107 1.4310
Standard
Carbon steel Carbon steel Stainless steel
54 Spring
1.4310 1.4310
Optional
Stainless steel Stainless steel
1.4310 1.4310 1.4310
57 Pin
Stainless steel Stainless steel Stainless steel
Graphite / 1.4401 Graphite / 1.4401 Graphite / 1.4401
60 Gasket
Graphite / 316 Graphite / 316 Graphite / 316
1.3541 1.3541 1.4401
61 Ball
Hardened stainless steel Hardened stainless steel 316

Please notice:

Modifications reserved by LESER.

LESER can upgrade materials without notice.
Every part can be replaced by other material acc. to customer specification.

LWN 481.01-E 05/03

 Type 459
How to order Numbering system

1 Article Number
2 Set Pressure
3 Connections

Please state unit (in gauge)! Please refer to table Availabe

1 2 3 4
Connections on pages 09/06 and
Please do not exceed pressure range 09/07.
459 4 . 255 2 mentioned in the spring charts.
Please state one option code for
1 Type 459 each, inlet and outlet.
Types of sealing

Metal seat
Metal-to-metal
Metal-to-metal stellited
Soft seal (Sealing plate)
SP Vespel-SP1
PCTFE Kel-F
PTFE-FDA Teflon
Type 459

2 Material code

Code Body material

2 Steel
3 SG iron
4 Stainless steel

3 Valve code
Identifies valve size and body
material, refer to page 05/07.

4 Code for lifting device

Code Lifting device

2 Screwed cap H2
3 Plain lever H3
4 Packed knob H4

4594.2552 12 barg V62 V71

Article No. Set Pressure Connections

05/04 LWN 481.01-E

Type 459

4 Options
5 Documentation
6
Code and Medium

Type 459 Option code Please select requested documentation:

1 2
Inspections, tests: Option code 2 . 0
Base / Inlet body stellited L20
DIN EN 10204-3.2: TV-Nord
(Type 4593, 4592 only)
Certificate for test pressure M33
Base / Inlet body material 316L L18 1 Code
1. ASME Section VIII
(Type 4593 only) LESER Certificate for 2. CE / VdTUEV
Disc stellited J25 Global Application H03 3. ASME Section VIII
- Inspection certificate 3.1 acc. + CE / VdTUEV
Plastic seal material to DIN EN 10204
PTFE A J44 - Declaration of conformity acc.
PCTFE G J48 to PED 97/23/EC 2 Medium
Vespel SP T J49 .1 Gases
Stainless steel p 40 barg J78 Material test certificate: .2 Liquids
bellows p > 40 barg J55 DIN EN 10204-3.1 .3 Steam

Type 459
Elastomer bellows J79 .0 Steam / Gases / Liquids
Heating jacket H29 Part Option code (valid only for CE / VdTUEV)
High temperature alloy spring X01 Base / Inlet body H01
Stainless steel spring X04 Outlet body L34
Cap / lever cover L31
Disc L23

J78 H01 L23 2.0

Options Documentation Code and Medium

LWN 481.01-E 05/05

 Type 459
How to order Article numbers

Type 459 Male Type 459 Female

Packed lever H4 Plain lever H3
Type 459

Conventional design Conventional design

Type 459 Type 459

Cap H2 Cap H2
Conventional design Balanced bellows
Flanged connection

05/06 LWN 481.01-E

Type 459
How to order Article numbers

Article numbers
Actual Orifice diameter d0 [mm] 9 13 17,5
Actual Orifice area A0 [mm2] 63,9 133 241
Actual Orifice diameter d0 [inch] 0,354 0,512 0,689
Actual Orifice area A0 [inch2] 0,099 0,206 0,374
Outlet chamber casted
Inlet body 1.4104 H2 Art.-No. 4593. 2502 2512 2522
Outlet body 0.7043 H3 Art.-No. 4593. 2503 2513 2523
Bonnet 0.7043 H4 Art.-No. 4593. 2504 2514 2524
p [barg] 1,5 250 0,2 200 0,2 100
S/G/L
p [psig] 21,7 3626 2,9 2901 2,9 1450
Outlet chamber deep-drawn
Inlet body 1.4404 H2 Art.-No. 4592. 2472 2992 2492
Outlet body 1.4404 H3 Art.-No. 4592. 2473 2994 2493
Bonnet 1.0460 H4 Art.-No. 4592. 2474 68 180 2494
p [barg] 1,5 250 0,2 200 0,2 100
S/G/L
p [psig] 21,7 3626 986 2611 2,9 1450
Outlet chamber deep-drawn
All body and 1.4404 H2 Art.-No. 4594. 2552 2562 2572
trim parts H4 Art.-No. 4594. 2554 2564 2574
p [barg] 1,5 250 0,2 200 0,2 100
S/G/L

Type 459
p [psig] 21,7 3626 2,9 2901 2,9 1450

For selection of inlet and outlet connection please refer to page 09/06 09/07.

LWN 481.01-E 05/07

 Type 459
Dimensions and weights Metric Units
Threaded connections
Size Outlet body 1" 1" 1" 1" 1" 1" 11/2" 11/2" 11/2" 11/2" 11/2"
Actual Orifice diameter d0 [mm] 9 9 9 13 13 13 17,5 17,5 17,5 17,5 17,5
Actual Orifice area A0 [mm2] 63,6 63,6 63,6 133 133 133 241 241 241 241 241

Weight Standard [kg] 2,6 2,6 2,6 2,6 2,6 2,6 3,0 3,0 3,0 3,0 3,0
Balanced bellows 3,4 3,4 3,4 3,4 3,4 3,4 3,8 3,8 3,8 3,8 3,8
Required installation diameter [mm] 165 165 165 165 165 165 165 165 165 165 165
Inlet thread Male
DIN ISO 228-1 G Inlet a 55,5 55,5 55,5 55,5 55,5 55,5 55,5 55,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75 75
ISO 7-1/BS 21 R Inlet a 52,5 52,5 52,5 52,5 52,5 52,5
Center to face [mm] Outlet b 75 75 75 75 75 75
ANSI/ASME B1.20.1 NPT Inlet a 52,5 52,5 52,5 52,5 52,5 52,5 52,5 53
Center to face [mm] Outlet b 75 75 75 75 75 75 75 75
Inlet thread Female
DIN ISO 228-1 G Inlet a 60,5 65,5 70 60,5 65,5 70,5 65,5 70,5 75,5 80,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75 75 75 75
Height [mm] H max. 290,5 295,5 300,5 290,5 295,5 300,5 292,5 297,5 302,5 307,5
ISO 7-1/BS 21 Rc Inlet a 60,5 70,5 70,5 60,5 70,5 70,5 70,5 70,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75 75
Height [mm] H max. 290,5 300,5 300,5 290,5 300,5 300,5 297,5 297,5
ANSI/ASME B1.20.1 NPT Inlet a 60,5 70,5 70,5 60,5 70,5 70,5 70,5 70,5 75,5 80,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75 75 75 75
Height [mm] H max. 290,5 300,5 300,5 290,5 300,5 300,5 297,5 297,5 302,5 307,5

Height inlet thread Male

Type 459

Conventional design Balanced bellows

Inlet thread Size 1/ 3/ 11/4" 11/2" 1/ 3/ 11/4" 11/2"
2" 4" 1" 2" 2" 4" 1" 2"
DIN ISO 228-1 [mm] G H max. 301,5 303,5 302,5 304,5 346,5 348,5 347,5 349,5
ISO 7-1/BS 21 [mm] R H max. 302,5 305,5 307,5 347,5 350,5 352,5
ASME B1.20.1 [mm] NPT H max. 304,5 309,5 307,5 307,5 308 349,5 354,5 352,5 352,5 353

Length of screwed end c inlet thread Male

Inlet thread Size 1/ 3/ 11/4" 11/2"
2" 4" 1" 2"
DIN ISO 228-1 [mm] G 14 16 18 20 22
ISO 7-1/BS 21 [mm] R 19 20 23 28
ASME B1.20.1 [mm] NPT 22 22 27 28 28 28

c c
Required installation diameter

Conventional design Female thread Conventional design Male thread Balanced bellows

05/08 LWN 481.01-E

Type 459
Dimensions and weights Metric Units
Flanged connection
Conventional design Balanced bellows
Actual Orifice diameter d0 [mm] 9 13 17,5 9 13 17,5
Actual Orifice area A0 [mm2] 63,6 133 241 63,6 133 241
DIN ISO 1092-1 (Available flange sizes refer to page 09/07)
Flange rating PN 40 PN 400
Center to face [mm] Inlet a 100 100 105 100 100 105
Outlet b 100 100 100 100 100 100
Height [H4] [mm] H max. 330 330 333 375 375 378
ASME B 16.5 (Available flange sizes refer to page 09/07)
Flange rating class 150 2500
Center to face [mm] Inlet a 100 100 105 100 100 105
Outlet b 100 100 100 100 100 100
Height [H4] [mm] H max. 330 330 333 375 375 378
Weight
For the calculation of the total weight please use the Formular: WT = WN + WF (Inlet) + WF (Outlet)
Weight net [kg]
2,6 2,6 3 3,8 3,8 4,2
(without inlet and outlet flange) WN

Flange dimensions and availability

DIN ISO 1092-1 / Flange rating PN ASME B16.5 / Flange rating class
Size 40 160 250 320 400 Size 150 300 600 900 1500 2500
DN 15 NPS 1/2"
Flange thickness [mm] s 18 22 26 26 30 14 18 26 30,2
Weight slip on flange [kg] WF 0,8 1,2 2,5 2,5 3,6 0,6 0,9 2,1 3
Available at Inlet
Available at Outlet
DN 20 NPS 3/4"
Flange thickness [mm] s 20 22 15 18 25,4 32

Type 459
Weight slip on flange [kg] WF 1,1 1,3 0,8 1,4 2,3 3,5
Available at Inlet
Available at Outlet
DN 25 NPS 1"
Flange thickness [mm] s 22 26 30 36 40 17 21,5 32,5 40
Weight slip on flange [kg] WF 1,3 2,6 3,5 5 7,5 1 2,1 4,1 5,1
Available at Inlet
Available at Outlet
DN 40 NPS 11/2"
Flange thickness [mm] s 23 23 34 22 24 38
Weight slip on flange [kg] WF 2,1 2,9 4,3 1,4 2,2 3,9
Available at Inlet
Available at Outlet

Conventional design Balanced bellows design

LWN 481.01-E 05/09

 Type 459
Dimensions and weights US Units
Threaded connections
Size Outlet body 1" 1" 1" 1" 1" 1" 11/2" 11/2" 11/2" 11/2" 11/2"
Actual Orifice diameter d0 [inch] 0,354 0,354 0,354 0,512 0,512 0,512 0,689 0,689 0,689 0,689 0,689
Actual Orifice area A0 [inch2] 0,099 0,099 0,099 0,206 0,206 0,206 0,374 0,374 0,374 0,374 0,374

Weight Standard [lbs] 5,7 5,7 5,7 5,7 5,7 5,7 6,6 6,6 6,6 6,6 6,6
Balanced bellows 7,5 7,5 7,5 7,5 7,5 7,5 8,4 8,4 8,4 8,4 8,4
Required installation diameter [inch] 61/2 61/2 61/2 61/2 61/2 61/2 61/2 61/2 61/2 61/2 61/2
Inlet thread Female
DIN ISO 228-1 G Inlet a 23/8 29/16 225/32 23/8 29/16 225/32 29/16 225/32 231/32 33/16
Center to face [inch] Outlet b 215/16 215/16 215/16 215/16 215/16 215/16 215/16 215/16 215/16 215/16
Height [inch] H max. 117/16 115/8 1113/16 117/16 115/8 1113/16 111/2 1123/32 1129/32 123/32
ISO 7-1/BS 21 Rc Inlet a 23/ 8 225/ 32 225/ 32 23/8 225/ 32 225/32 225/ 32 225/ 32
Center to face [inch] Outlet b 215/16 215/16 215/16 215/16 215/16 215/16 215/16 215/16
Height [inch] H max. 117/16 1113/16 1113/16 117/16 1113/16 1113/16 1123/32 1123/32
ANSI/ASME B1.20.1 NPT Inlet a 23/8 225/32 225/32 23/8 225/32 225/32 225/32 225/32 231/32 33/16
Center to face [inch] Outlet b 215/16 215/16 215/16 215/16 215/16 215/16 215/16 215/16 215/166 215/16
Height [inch] H max. 117/ 16 1113/ 16 1113/ 16 117/ 16 1113/ 16 1113/ 16 1123/ 32 1123/ 32 1129/ 32 123/ 32
Inlet thread Male
DIN ISO 228-1 G Inlet a 23/16 23/16 23/16 23/16 23/16 23/16 23/16 23/16
Center to face [inch] Outlet b 215/ 215/ 215/ 215/16 215/ 215/ 215/16 215/16
16 16 16 16 16

ISO 7-1/BS 21 R Inlet a 21/16 21/16 21/16 21/16 21/16 215/16

Center to face [inch] Outlet b 215/16 215/16 215/16 215/16 215/16 215/16
ANSI/ASME B1.20.1 NPT Inlet a 21/ 16 21/ 16 21/ 16 21/ 16 21/ 16 21/ 16 21/16 21/ 16
Center to face [inch] Outlet b 215/16 215/16 215/16 215/16 215/16 215/16 215/16 215/16

Height inlet thread Male

Type 459

Conventional design Balanced bellows

1/ 3/ 11/4" 11/2" 1/ 3/ 11/4" 11/2"
Inlet thread Size 2" 4" 1" 2" 2" 4" 1" 2"
DIN ISO 228-1 [inch] G H max. 117/8 1115/16 1129/32 12 135/8 1323/32 1311/16 133/4
ISO 7-1/BS 21 [inch] R H max. 1129/ 32 121/ 32 123/32 1311/16 1313/16 137/ 8
ASME B1.20.1 [inch] NPT H max. 12 123/16 123/32 123/32 121/8 133/4 1331/32 137/8 137/8 1329/32

Length of screwed end c inlet thread Male

1/ 3/ 11/4"
Inlet thread Size 2" 4" 1" 11/2" 2"
G 9/ 5/ 23/ 25/ 7/
DIN ISO 228-1 [inch] 16 8 32 32 8
3/ 25/ 29 /
ISO 7-1/BS 21 [inch] R 4 32 32 13/32
7/ 7/ 11/16 13/32
ASME B1.20.1 [inch] NPT 8 8 13/32 13/32

c c
Required installation diameter

Conventional design Female thread Conventional design Male thread Balanced bellows

05/10 LWN 481.01-E

Type 459
Dimensions and weights US Units
Flanged connection
Conventional design Balanced bellows
Actual Orifice diameter d0 [inch] 0,354 0,512 0,689 0,354 0,512 0,689
Actual Orifice area A0 [inch2] 0,099 0,206 0,374 0,099 0,206 0,374
DIN ISO 1092-1 (Available flange sizes refer to page 09/07)
Flange rating PN 40 PN 400
Center to face [inch] Inlet a 315/16 315/16 41/8 315/16 315/16 41/8
Outlet b 15
3 /16 315/16 15
3 /16 315/16 315/16 315/16
Height [H4] [inch] H max. 13 13 1
13 /8 143/4 143/4 147/8
ASME B 16.5 (Available flange sizes refer to page 09/07)
Flange rating class 150 2500
Center to face [inch] Inlet a 315/16 315/16 41/8 315/16 315/16 41/8
Outlet b 315/16 315/16 315/16 315/16 315/16 315/16
Height [H4] [inch] H max. 13 13 131/8 143/4 143/4 147/8
Weight
For the calculation of the total weight please use the Formular: WT = WN + WF (Inlet) + WF (Outlet)
Weight net [lbs]
5,7 5,7 6,6 8,4 8,4 9,3
(without inlet and outlet flange) WN

Flange dimensions and availability

DIN ISO 1092-1 / Flange rating PN ASME B16.5 / Flange rating class
Size 40 160 250 320 400 Size 150 300 600 900 1500 2500
DN 15 NPS 1/2"
11/ 7/ 11/32 11/32 13/16 9/ 11/ 11/32 13/16
Flange thickness [inch] s 16 8 16 16
Weight slip on flange [lbs] WF 1,8 2,6 5,5 5,5 7,9 1,3 2 4,6 6,6
Available at Inlet
Available at Outlet
DN 20 NPS 3/4"
25/ 7/ 19/ 11/ 1 11/4
Flange thickness [inch] s 32 8 32 16

Type 459
Weight slip on flange [lbs] WF 2,4 2,9 1,8 3,1 5,1 7,7
Available at Inlet
Available at Outlet
DN 25 NPS 1"
7/ 11/32 13/16 113/32 19/16 11/ 27/ 19/32 19/16
Flange thickness [inch] s 8 16 32
Weight slip on flange [lbs] WF 2,9 5,7 7,7 11 16,5 2,2 4,6 9 11,2
Available at Inlet
Available at Outlet
DN 40 NPS 11/2"
Flange thickness [inch] s 29/ 29/ 111/32 7/ 15/ 11/2
32 32 8 16
Weight slip on flange [lbs] WF 4,5 6,3 9,5 3,2 4,8 8,6
Available at Inlet
Available at Outlet

Conventional design Balanced bellows design

LWN 481.01-E 05/11

 Type 459
Pressure temperature ratings Metric Units
Metric Units
Actual Orifice diameter d0 [mm] 9 13 17,5
Actual Orifice Area A0 [mm2] 63,6 133 241
Body material: 1.4104 (430) Type 4593
Base / Connection size 1/
2"
3/
4" 1" 1/
2"
3/ "
4 1" 3/
4" 1" 11/4" 11/2" 2"
Inlet Body Pressure rating PN 400 PN 250 PN 160
Outlet body Pressure rating PN 40 PN 40 PN 40
Minimum
p [barg] S/G/L 1,5 0,2 0,2
set pressure

Min. set pressure1)

p [barg] S/G/L 40 40 40
standard bellows

Min. set pressure p [barg] S/G/L 3 3 3

low press. bellows
Maximum
p [barg] S/G/L 250 200 100
set pressure
Temperature min [C ] -10
acc. to DIN EN max [C ] +300
Temperature min [C ] -29
acc. to ASME max [C ] +300

Body material: 1.4404 (316L) Type 4592

Base / Connection size 1/
2"
3/
4" 1" 1/
2"
3/ "
4 1" 3/
4" 1" 11/4" 11/2" 2"
Inlet Body
PN 250 PN 160
Pressure rating PN 160
PN 500 (Option code L20) PN 500 (Option code L20)
Outlet Body Pressure rating PN 40 PN 40 PN 40
Minimum
p [barg] S/G/L 1,5 0,2 0,2
set pressure
Type 459

Min. set pressure1)

p [barg] S/G/L 40 40 40
standard bellows
Min. set pressure p [barg] S/G/L 3 3 3
low press. bellows
Maximum
p [barg] S/G/L 250 200 100
set pressure
Temperature min [C ] -85
acc. to DIN EN max [C ] +400
Temperature min [C ] -29
acc. to ASME max [C ] +300
Body material: 1.4404 (316L) Type 4594
Base / Connection size 1/
2"
3/
4" 1" 1/
2"
3/ "
4 1" 3/
4" 1" 11/4" 11/2" 2"
Inlet Body PN 250 PN 160
Pressure rating PN 160
PN 500 (Option code L20) PN 500 (Option code L20)
Outlet Body Pressure rating PN 40 PN 40 PN 40
Minimum
p [barg] S/G/L 1,5 0,2 0,2
set pressure
Min. set pressure1)
p [barg] S/G/L 40 40 40
standard bellows

Min. set pressure p [barg] S/G/L 3 3 3

low press. bellows
Maximum
p [barg] S/G/L 250 200 100
set pressure
Temperature min [C ] -200 -200 -200
acc. to DIN EN max [C ] +400 +400 +400
Temperature min [C ] -184 -184 -184
acc. to ASME max [C ] +427 +427 +427
1)Min. set pressure standard bellows = Max. pressure low pressure bellows.
Because there is no open bonnet for this type available, please use at a temperature of 300C (572F) a stainless steel bellows or a specific high temperature model
without a bellows. For DIN EN applications at temperatures under -10C please proceed according to AD-2000 Merkblatt W 10.
05/12 LWN 481.01-E
Type 459
Pressure temperature ratings US Units
US Units
Actual Orifice diameter d0 [inch] 0,354 0,512 0,689
Actual Orifice Area A0 [inch2] 0,099 0,206 0,347
Body material: 1.4104 (430) Type 4593
Base /
Connection size 1/ 3/ " 1/ 3/ 3/ " 11/4" 11/2"
Inlet Body 2" 4 1" 2" 4" 1" 4 1" 2"

Minimum
p [psig] S/G/L 21,8 2,9 2,9
set pressure

Min. set pressure1)

p [psig] S/G/L 580 580 580
standard bellows

Min. set pressure

p [psig] S/G/L 43,5 43,5 43,5
low press. bellows

Maximum
p [psig] S/G/L 3626 2900 1450
set pressure
Temperature min [F ] +14
acc. to DIN EN max [F ] +572
Temperature min [F ] -20
acc. to ASME max [F ] +572

Body material: 1.4404 (316L) Type 4592

Base /
Connection size 1/ 3/ " 1/ 3/ 3/ " 11/4" 11/2"
Inlet Body 2" 4 1" 2" 4" 1" 4 1" 2"

Minimum
p [psig] S/G/L 21,8 2,9 2,9
set pressure
Min. set pressure1)
p [psig] S/G/L 580 580 580
standard bellows
Min. set pressure

Type 459
p [psig] S/G/L 43,5 43,5 43,5
low press. bellows
Maximum
p [psig] S/G/L 3626 2900 1450
set pressure
Temperature min [F ] -121
acc. to DIN EN max [F ] +752
Temperature min [F ] -20
acc. to ASME max [F ] +800
Body material: 1.4404 (316L) Type 4594
Base /
Connection size 1 /2" 3/ " 1" 1/ 3/ 3/ " 11/4" 11/2"
Inlet Body 4 2" 4" 1" 4 1" 2"

Minimum
p [psig] S/G/L 21,8 2,9 2,9
set pressure

Min. set pressure1)

p [psig] S/G/L 580 580 580
standard bellows
Min. set pressure
p [psig] S/G/L 43,5 43,5 43,5
low press. bellows
Maximum
p [psig] S/G/L 3626 2900 1450
set pressure
Temperature min [F ] -328
acc. to DIN EN max [F ] +752
Temperature min [F ] -300
acc. to AS ME max [F ] +800
1)Min. set pressure standard bellows = Max. pressure low pressure bellows.
Because there is no open bonnet for this type available, please use at a temperature of 300C (572F) a stainless steel bellows or a specific high temperature model
without a bellows. For DIN EN applications at temperatures under -10C please proceed according to AD-2000 Merkblatt W 10.

LWN 481.01-E 05/13

 Type 459
Order information Spare parts
Spare parts
Actual Orifice diameter d0 [mm] 9
Actual Orifice area A0 [mm2] 63,6
Actual Orifice diameter d0 [inch] 0,354
Actual Orifice area A0 [inch2] 0,099
Body (Item 1): Male thread Material-No. / Art.-No.
1/ 3/ 11/4" 11/2"
Connection size 2" 4" 1" 2"
DIN ISO 228-1 G 1.4104 136.7539.9000 136.7639.9000
316L 136.7549.9000 136.7649.9000
316L stellited 136.7569.9000 136.7669.9000
ISO 7-1/BS 21 R 316L 136.7549.9220 136.7649.9220
316L stellited 136.7569.9220 136.7669.9220
ANSI/ASME NPT 316L 136.7549.9204 136.7649.9204
B1.20.1 316L stellited 136.7569.9204 136.7669.9204
Body (Item 1): Female thread Material-No. / Art.-No.
DIN ISO 228-1 G 316L 136.7449.9210 136.7549.9210 136.7649.9210
316L stellited 136.7469.9210 136.7569.210 136.7669.9210
ISO 7-1/BS 21 Rc 316L 136.7449.9222 136.7549.9222 136.7649.9222
316L stellited 136.7469.9222 136.7569.9222 136.7669.9222
ANSI/ASME NPT 316L 136.7449.9211 136.7549.9211 136.7649.9211
B1.20.1 316L stellited 136.7469.9211 136.7569.9211 136.7669.9211

Actual Orifice diameter d0 [mm] 13

Actual Orifice area A0 [mm2] 133
Actual Orifice diameter d0 [inch] 0,512
Actual Orifice area A0 [inch2] 0,206
Body (Item 1): Male thread Material-No. / Art.-No.
1/ 3/ 11/4" 11/2"
Connection size 2" 4" 1" 2"
DIN ISO 228-1 G 1.4104 136.8039.9000 136.8139.9000
316L 136.8049.9000 136.8149.9000
Type 459

316L stellited 136.8069.9000 136.8169.9000

ISO 7-1/BS 21 R 316L 136.8049.9220 136.8149.9220
316L stellited 136.8069.9220 136.8169.9220
ANSI/ASME NPT 316L 136.8049.9204 136.8149.9204
B1.20.1 316L stellited 136.8069.9204 136.8169.9204
Body (Item 1): Female thread Material-No. / Art.-No.
DIN ISO 228-1 G 316L 136.7949.9210 136.8049.9210 136.8149.9210
316L stellited
ISO 7-1/BS 21 Rc 316L 136.7949.9222 136.8049.9222 136.8149.9222
316L stellited 136.7969.9222 136.8069.9222 136.8169.9222
ANSI/ASME NPT 316L 136.7949.9211 136.8049.9211 136.8149.9211
B1.20.1 316L stellited 136.7569.9211 136.7669.9211

Actual Orifice diameter d0 [mm] 17,5

Actual Orifice area A0 [mm2] 241
Actual Orifice diameter d0 [inch] 0,689
Actual Orifice area A0 [inch2] 0,374
Body (Item 1): Male thread Material-No. / Art.-No.
1/ 3/ 11/4" 11/2"
Connection size 2" 4" 1" 2"
DIN ISO 228-1 G 1.4104 136.3639.9000 136.8639.9000
316L 136.3649.9000 136.8549.9000 136.8649.9000
316L stellited
ISO 7-1/BS 21 R 316L 136.3649.9220 136.8649.9220
316L stellited -
ANSI/ASME NPT 316L 136.3649.9204 136.8549.9204 136.8649.9204 136.8749.9204
B1.20.1 316L stellited
Body (Item 1): Female thread Material-No. / Art.-No.
DIN ISO 228-1 G 316L 136.3649.9000 136.8549.9000 136.8649.9000
316L stellited
ISO 7-1/BS 21 Rc 316L 136.8049.9222 136.3649.9222 136.8649.9222
316L stellited 136.8069.9222
ANSI/ASME NPT 316L 136.8449.9211 136.3649.9211 136.8549.9211 136.8649.9211
B1.20.1 316L stellited

05/14 LWN 481.01-E

Type 459
Order information Spare parts
Spare parts
Actual Orifice diameter d0 [mm] 9 13 17,5
Actual Orifice area A0 [mm2] 63,6 133 241
Actual Orifice diameter d0 [inch] 0,3544 0,512 0,689
Actual Orifice area A0 [inch2] 0,099 0,206 0,374
Body (Item 1): Flange design Material-No. / Art.-No.
DN 15 / PN 40 400
NPS 1/2" 316L 136.7449.9208 136.7949.9208
CL 300 2500
DN 20 / PN 40 400
NPS 3/4" 316L 136.3949.9208 136.5049.9208 136.8449.9208
CL 150 2500
DN 25 / PN 40 400 316L 136.3449.9208 136.3549.9208 136.3649.9208
NPS 1"
CL 150 136.7649.9202 136.8149.9202 136.3649.9202
316L
CL 300 2500 136.3449.9208 136.3549.9208 136.3649.9208
Disc (Item 7): Metal to metal Material-No. / Art.-No.
Disc 1.4122 420 RM 200.2039.9000 200.2139.9000 200.2239.9000
1.4404 316L 200.2049.9000 200.2149.9000 200.2249.9001
316L stellited 200.2069.9118 200.2169.9118
Disc (Item 7): With sealing plate Material-No. / Art.-No.
Disc PTFE A 200.2049.9005 200.2149.9005 200.2249.9005
1.4404 PCTFE G 200.2049.9006 200.2149.9006 200.2249.9006
SP T 200.2049.9007 200.2149.9007 200.2249.9007
Disc (Item 7.3): Sealing plate Material-No. / Art.-No.
Sealing PTFE A 236.3559.0000 236.3559.0000 236.0859.0000
plate
PCTFE G 236.3569.0000 236.3569.0000 236.0869.0000
SP T 236.3579.0000 236.3579.0000 236.0879.0000
Pin (Item 57) Material-No. / Art.-No.
Pin 1.4310 480.0505.0000 480.0505.0000 480.0505.0000

Type 459
Gasket outlet body / bonnet (Item 60) Material-No. / Art.-No.
Gasket Graphite + 1.4401 500.2407.0000 500.2407.0000 500.2407.0000
Option code L68 Gylon (Filled PTFE) 500.2405.0000 500.2405.0000 500.2405.0000
Ball (Item 61) Material-No. / Art.-No.
Ball [mm] 6 6 6
1.4401 510.0104.0000 510.0104.0000 510.0104.0000
Bellows and bellows conversion kit (Item 15) Material-No. / Art.-No.
Stainless steel 1.4571 / 316Ti p 40 bar / 580 psig = 400.7949.0000
bellows
1.4571 / 316Ti p > 40 bar / 580 psig = 400.6349.0000
Conversion kit PN 40/CL 600 5021.1050
> PN 40/CL 600 5021.1051

LWN 481.01-E 05/15

 Type 459
Available Options

Male thread Female thread Flanged version

Stellited sealing surface Disc with inserted

J25: Disc stellited sealing plate
L20: Base/inlet body J44: PTFE-FDA N
J48: PCTFE D
J49: VESPEL-SP K
Type 459

Heating jacket Balanced bellows Special material

H29 2.4610 Hastelloy C4
2.4360 Monel 400
1.4462 Duplex

Code
YYYY
Code Code
XXXX ZZZZ

Lift indicator Test gag O-ring-damper H2 O-ring-damper H4

J93: Lift indicator J69: H4 J65 J66
J70: H2

05/16 LWN 481.01-E

Type 459
Approvals

Approvals
Actual Orifice diameter d0 [mm] 9 13 17,5
Actual Orifice area A0 [mm2] 63,6 133 241
Actual Orifice diameter d0 [inch] 0,354 0,512 0,689
Actual Orifice area A0 [inch2] 0,099 0,206 0,374
Europe Coefficient of discharge Kdr
DIN EN ISO 4126-1 Approval No. 072020111Z0008/0/13
S/G 0,83 0,81 0,79
L 0,61 0,53 0,52
Germany Coefficient of discharge w
AD 2000-Merkblatt A2 Approval No. TV SV 909
S/G 0,83 0,81 0,79
L 0,61 0,53 0,52
United States Coefficient of discharge K
ASME Sec. VIII Approval No. M 37112
S/G 0,811
Approval No. M 37101
L 0,566
Canada Coefficient of discharge K

Type 459
CRN Approval No. OG0730.95
S/G Refer to ASME Sec. VIII
L Refer to ASME Sec. VIII
China Coefficient of discharge w
CSBQTS Approval No.
S/G 0,83 0,81 0,79
L 0,61 0,53 0,52
Russia Coefficient of discharge w
GGTN/ Approval No. PPC 00-18458
GOSGOTECHNADZOR S/G 0,83 0,81 0,79
GOST R L 0,61 0,53 0,52
Classification societies Homepage
Bureau Veritas BV www.bureauveritas.com
Det Norske Veritas DNV www.dnv.com The valid certification number is changed with every reneval.
Germanischer Lloyd GL www.gl-group.com
A sample certificate including the valid certification number can be taken
Lloyd s Register EMEA LREMEA www.lr.org from the homepage of the classification societies.
Registro Italiano Navale RINA www.rina.org

LWN 481.01-E 05/17

 Type 459
Capacities Metric Units
Capacities according to AD 2000-Merkblatt A2, based on set-pressure plus 10% overpressure.
Capacities at 1 bar (14,5 psig) and below are based on 0,1 bar (1,45 psig) overpressure.

Metric Units AD 2000-Merkblatt A2

Actual Orifice diameter d0 [mm] 9 13 17,5

Actual Orifice area A0 [mm2] 63,6 133,0 241,0
LEO*) [inch2] S/G = 0,082 L= 0,086 S/G = 0,171 L= 0,179 S/G = 0,310 L= 0,325
Set pressure Capacities Capacities Capacities
Steam Air Water Steam Air Water Steam Air Water
saturated 0C and 20C saturated 0C and 20C saturated 0C and 20C
1013 mbar 1013 mbar 1013 mbar
[bar] [kg/h] [mn3/h] [103kg/h] [kg/h] [mn3/h] [103kg/h] [kg/h] [mn3/h] [103kg/h]
0,2 53 61 1,96 85 98 3,48
0,5 84 98 2,77 134 157 4,93
1 120 143 3,75 200 238 6,67
1,5 77 92 2,54 156 188 4,6 265 318 8,17
2 93 113 2,93 190 229 5,31 331 400 9,44
3 127 155 3,59 258 316 6,5 456 558 11,6
4 158 195 4,14 322 396 7,51 569 700 13,3
5 189 234 4,63 386 477 8,39 681 842 14,9
6 220 247 5,07 449 557 9,19 793 985 16,3
7 251 313 5,48 511 638 9,93 902 1127 17,7
8 282 353 5,86 573 718 10,6 1013 1269 18,9
9 312 392 6,21 636 799 11,3 1124 1412 20
10 343 432 6,55 699 879 11,9 1235 1554 21,1
12 405 511 7,17 824 1040 13 1457 1839 23,1
14 465 590 7,75 947 1201 14 1674 2123 25
16 527 669 8,28 1072 1363 15 1895 2408 26,7
18 588 748 8,78 1197 1524 15,9 2116 2693 28,3
20 650 827 9,26 1323 1685 16,8 2338 2977 29,8
Type 459

22 709 906 9,71 1444 1846 17,6 2553 3262 31,3

24 771 986 10,1 1570 2007 18,4 2775 3547 32,7
26 833 1065 10,6 1696 2168 19,1 2997 3831 34
28 895 1144 11 1822 2329 19,9 3221 4116 35,3
30 957 1223 11,3 1949 2490 20,6 3445 4401 36,5
32 1020 1302 11,7 2076 2651 21,2 3669 4685 37,7
34 1079 1381 12,1 2198 2812 21,9 3884 4970 38,9
36 1142 1460 12,4 2325 2973 22,5 4110 5255 40
38 1205 1539 12,8 2453 3134 23,1 4336 5539 41,1
40 1268 1618 13,1 2582 3295 23,7 4564 5824 42,2
42 1332 1698 13,4 2711 3456 24,3 4792 6109 43,2
44 1395 1777 13,7 2841 3617 24,9 5021 6393 44,3
46 1459 1856 14 2971 3779 25,5 5251 6678 45,3
48 1524 1935 14,3 3102 3940 26 5483 6963 46,2
50 1588 2014 14,6 3234 4101 26,5 5715 7247 47,2
60 1910 2409 16 3889 4906 29,1 6874 8671 51,7
70 2245 2805 17,3 4571 5711 31,4 8079 10094 55,8
80 2583 3201 18,5 5259 6517 33,6 9294 11518 59,7
90 2938 3596 19,6 5982 7322 35,6 10572 12941 63,3
100 3296 3992 20,7 6711 8127 37,5 11862 14364 66,7
120 4077 4783 22,7 8302 9738 41,1
140 4958 5574 24,6 10096 11349 44,4
160 5977 6365 26,2 12171 12959 47,5
180 7262 7156 27,8 14786 14570 50,3
200 8989 7947 29,3 18303 16181 53,1
220 8738 30,7
240 9529 32,1
250 9924 32,7
*) LEOS/G/L = LESER Effective Orifice steam / gas / liquids please refer to page 00/11
How to use capacity-sheets refer to page 00/09

05/18 LWN 481.01-E

Type 459
Capacities US Units
Capacities according to ASME Section VIII (UV), based on set-pressure plus 10% overpressure.
Capacities at 30 psig (2,07 bar) and below are based on 3 psig (0,207 bar) overpressure.

US Units ASME Section VIII

Actual Orifice diameter d0 [inch] 0,354 0,512 0,689

Actual Orifice area A0 [inch2] 0,099 0,206 0,374
LEO*) [inch2] S/G = 0,082 L= 0,086 S/G = 0,171 L= 0,179 S/G = 0,310 L= 0,325
Set pressure Capacities Capacities Capacities
Steam Air Water Steam Air Water Steam Air Water
saturated 60 F and 70F saturated 60 F and 70F saturated 60 F and 70F
14,5 psig 14,5 psig 14,5 psig
[psig] [lb/h] [S.C.F.M.] [US-G.P.M.] [lb/h] [S.C.F.M.] [US-G.P.M.] [lb/h] [S.C.F.M.] [US-G.P.M.]
15 134 48 9,02 281 100 18,8 509 181 34
20 155 55 10,2 324 115 21,2 586 209 38,4
30 196 70 12,2 410 146 25,4 742 264 46
40 242 86 14,1 504 180 29,3 913 326 53,1
50 287 103 15,8 599 213 32,8 1085 387 59,4
60 332 119 17,3 693 247 35,9 1256 448 65,1
70 377 135 18,7 788 281 38,8 1427 509 70,3
80 423 151 19,9 882 315 41,5 1599 570 75,1
90 468 167 21,2 977 348 44 1770 631 79,7
100 513 184 22,3 1071 382 46,4 1941 692 84
120 604 216 24,4 1260 449 50,8 2284 814 92
140 695 248 26,4 1449 517 54,9 2626 936 99,4
160 785 281 28,2 1638 584 58,7 2969 1058 106
180 876 313 29,9 1827 652 62,3 3311 1180 113
200 966 346 31,5 2016 719 65,6 3654 1302 119
220 1057 378 33,1 2205 787 68,8 3996 1424 125
240 1148 410 34,5 2394 854 71,9 4339 1546 130
260 1238 443 36 2584 921 74,8 4682 1669 135
280 1329 475 37,3 2773 989 77,6 5024 1791 141
300 1419 508 38,6 2962 1056 80,4 5367 1913 146
320 1510 540 39,9 3151 1124 83 5709 2035 150
340 1601 572 41,1 3340 1191 85,6 6052 2157 155
360 1691 605 42,3 3529 1259 88 6394 2279 159

Type 459
380 1782 637 43,5 3718 1326 90,5 6737 2401 164
400 1872 670 44,6 3907 1393 92,8 7080 2523 168
420 1963 702 45,7 4096 1461 95,1 7 422 2645 172
440 2054 734 46,8 4285 1528 97,3 7765 2767 176
460 2144 767 47,8 4474 1596 100 8107 2889 180
480 2235 799 48,9 4663 1663 102 8450 3011 184
500 2326 832 49,9 4852 1731 104 8792 3134 188
550 2552 913 52,3 5352 1899 109 9649 3439 197
600 2779 994 54,6 5797 2068 114 10505 3744 206
650 3005 1075 56,9 6270 2236 118 11362 4049 214
700 3232 1156 59 6742 2405 123 12218 4354 222
750 3458 1237 61,1 7215 2573 127 13075 4660 230
800 3685 1318 63,1 7688 2742 131 13931 4965 238
850 3911 1399 65 8160 2911 135 14787 5270 245
900 4138 1480 66,9 8633 3079 139 15644 5575 252
950 4364 1561 68,7 9105 3248 143 16500 5881 259
1000 4591 1642 70,5 9578 3416 147 17357 6186 266
1100 5044 1804 74 10523 3753 154 19070 6796 279
1200 5497 1966 77,2 11469 4091 161 20782 7407 291
1300 5950 2128 80,4 12414 4428 167 22495 8017 303
1400 6394 2290 83,4 13340 4765 174 24174 8628 314
1500 6889 2452 86,4 14373 5102 180
1600 7393 2614 89,2 15424 5439 186
1700 7907 2776 91,9 16497 5776 191
1800 8433 2938 94,6 17594 6113 197
1900 8971 3100 97,2 18718 6451 202
2000 9525 3262 100 19872 6788 208
2200 10684 3586 105 22292 7462 218
2400 11935 3910 109 24901 8136 227
2600 13310 4234 114 27770 8811 237
2800 14864 4558 118 31012 9485 246
3000 4882 122
3200 5206 126
3400 5530 130
3600 5854 134
*) LEOS/G/L = LESER Effective Orifice steam / gas / liquids please refer to page 00/11
How to use capacity-sheets refer to page 00/09

LWN 481.01-E 05/19

 Type 459
h = Lift [mm]
Determination of coefficent of discharge d0 = Flow diameter [mm] of selected safety
valve, refer to table article numbers
in case of lift restriction or back pressure h/d0 = Ratio of lift / flow diameter
pa0 = Back pressure [bara]
p0 = Set pressure [bara]
pa0/ p0 = Ratio of back pressure / set pressure
Kdr = Coefficient of discharge
acc. to DIN EN ISO 4126-1
w = Coefficient of discharge
acc. to AD 2000-Merkblatt A2
Diagram for evaluation of ratio of lift / flow diameter (h/d0) Kb = Back pressure correction factor
in reference to the coefficient of discharge (Kdr /w) acc. to API 520 topic 3.3

d0 9 mm d0 13 mm d0 17,5 mm
Kdr = w = f (h/d0) S/G Kdr = w = f (h/d0) S/G Kdr = w = f (h/d0) S/G
0,85 0,85 0,80

0,80
0,75
0,70

0,75
0,65
0,60
0,70
0,55
0,65 0,50
Coefficient of discharge Kdr / w
Coefficient of discharge Kdr / w

Coefficient of discharge Kdr / w

0,45
0,60
0,40
0,35
0,55

0,30
0,50 0,25

0,45 0,15 0,20

0,10 0,15 0,20 0,25 0,05 0,1 0,15 0,2 0,25 0,05 0,1 0,15 0,2 0,25
Ratio of lift / flow diameter h / d0 0,22 Ratio of lift / flow diameter h / d0 0,23 Ratio of lift / flow diameter h / d0 0,22

d0 9 mm d0 13 mm d0 17,5 mm
Kdr = w = f (h/d0) L Kdr = w = f (h/d0) L Kdr = w = f (h/d0) L
0,55 0,50

0,65 0,50 0,45

Type 459

0,40
0,55 0,45

0,35
0,50 0,40

0,30
Coefficient of discharge Kdr / w
Coefficient of discharge Kdr / w
Coefficient of discharge Kdr / w

0,45 0,35
0,25

0,40 0,30
0,20

0,35 0,25 0,15

0,30 0,20 0,10

0,05 0,1 0,2 0,25 0,05 0,1 0,15 0,2 0,25 0,05 0,1 0,15 0,2 0,25

Ratio of lift / flow diameter h / d0 0,22 Ratio of lift / flow diameter h / d0 0,23 Ratio of lift / flow diameter h / d0 0,22

Diagram for evaluation of ratio of the coefficient of discharge (Kdr /w)

in reference to the ratio of back pressure / set pressure (pa0 /p0)

d0 9 mm d0 13 mm d0 17,5 mm
Kdr = w = f (pa0/p0) and Kb = f (pa0/p0) Kdr = w = f (pa0/p0) and Kb = f (pa0/p0) Kdr = w = f (pa0/p0) and Kb = f (pa0/p0)
0,9 0,9 1,10 0,9
1,10

1,00 1,00
0,8 0,8 0,8 1,00
0,90 0,90
0,7 0,7 0,90
0,7
0,80 0,80
0,80
0,6 0,6 0,6
0,70 0,70 0,70

0,5 0,60 0,5 0,60 0,5

0,60
Back pressure correction factor Kb

Back pressure correction factor Kb

Back pressure correction factor Kb

Coefficient of discharge Kdr / w

Coefficient of discharge Kdr / w

Coefficient of discharge Kdr / w

0,4 0,50 0,4 0,50 0,4 0,50

0,40 0,40 0,40

0,3 0,3 0,3
0,30 0,30 0,30
0,2 0,2 0,2
0,20 0,20 0,20

0,1 0,1 0,1

0,10 0,10 0,10

0,0 0 0,0 0,00 0,0 0,00

0,2 0,25 0,3 0,35 0,4 0,45 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 0,2 0,3 0,4 0,5 0,6 0,7 0,8
Ratio of back pressure / set pressure pa0 / p0 Ratio of back pressure / set pressure pa0 / p0 Ratio of back pressure / set pressure pa0 / p0
0,909 0,833
How to use please refer to page 00/08

05/20 LWN 481.01-E

 Type
459 HDD
Safety Relief Valves
Heavy Duty Design
spring loaded
Contents Chapter/Page

Materials
Available designs 06/02
Available designs materials 06/03
How to order
Numbering system 06/04
Article numbers 06/06
Dimensions and weights

Type 459 HDD

Metric Units [Threaded connection] 06/08
[Flanged connection] 06/09
US Units [Threaded connection] 06/10
[Flanged connection] 06/11
Pressure temperature ratings
Metric Units + US Units 06/12
Order information Spare parts 06/13
Available options 06/14
Approvals 06/15
Capacities
Metric Units [Steam, Air, Water] 06/16
US Units [Steam, Air, Water] 06/17
Type 459 HDD Determination of coefficent 06/18
Cap H2 of discharge Kdr /w

LWN 481.01-E 06/01

 Type 459 HDD
Available designs

40 Cap H2
18 Adjusting screw
with bushing
19 Lock nut
9 Bonnet
16 Spring plate
54 Spring
12 Spindle
17 Spring plate
14 Split ring
60 Gasket
8 Guide
57 Pin
61 Ball
7 Disc
2 Outlet body
1 Inlet Body
Conventional design Conventional design
Threaded connection Threaded connection
Type 459 HDD

11 Bonnet Outlet flange 2.4

spacer
Outlet adaptor 2.1
15 Bellows
60 Gasket

Inlet flange 48

Balanced bellows Conventional design

Threaded connection Flange connection

06/02 LWN 481.01-E

Type 459 HDD
Available designs materials

Materials
Item Component Remarks Type 4594 HDD

Threaded 1.4404 stellited

connection SA 479 316L stellited
1 Base / Inlet body
1.4404 stellited
Flange connection
SA 479 316L stellited
1.4404
2 Outlet body
SA 479 316L
1.4404
2.1 Outlet adaptor Flange connection
316L
1.4404
2.4 Outlet flange Flange connection
316L
1.4404
7 Disc Metal seat
SA 479 316L
1.4404
316L
8 Guide
Balanced 1.4404 / SA 316L
bellows design Upper connection of balanced bellows
1.4404
316L
9 Bonnet
Balanced 1.4404
bellows design 316L
Balanced 1.4404
11 Bonnet spacer
bellows design 316L
1.4404
316L
12 Spindle
Balanced 1.4404
bellows design 316L
1.4404
14 Split ring
316L
Balanced 1.4571
15 Bellows
bellows design 316Ti
1.4404
16/17 Spring plate
316L

Type 459 HDD

Adjusting screw with 1.4404 / PTFE
18
bushung 316L / PTFE
1.4404
19 Lock nut
316L
1.4404
40 Cap H2
316L
1.4404
48 Inlet flange Flange connection
316L
1.4310
54 Spring Standard
Stainless steel
1.4310
57 Pin
Stainless steel
Graphite / 1.4301
60 Gasket
Graphite / 316L
1.4401
61 Ball
316

Material Options

The Heavy Duty Design of Type 459 HDD offers the possibility to easily obtain special material versions. The fact that all product wetted parts are
machined from bar stock materials makes it easier and faster to fulfill almost all material requirements according to the metal availability.
Please notice:

Modifications reserved by LESER.

LESER can upgrade materials without notice.
Every part can be replaced by other material acc. to customer specification.

LWN 481.01-E 06/03

 Type 459 HDD
How to order Numbering system

1 Article Number
2 Set Pressure
3 Connections

Please state unit (in gauge)! Please refer to pages 09/06 and
1 2 3 4
09/07.
Please do not exceed pressure range
459 4 . 258 2 mentioned in the spring charts. Please state one option code for
each, inlet and outlet.
1 Type 459 HDD

Types of sealing

Metal seat
Metal-to-metal stellited
Soft seal (Sealing plate)
SP Vespel-SP1
PCTFE Kel-F

2 Material code

Code Body material

4 Stainless steel

3 Valve code
Identifies valve size and body
material, refer to page 06/07.
Type 459 HDD

4 Code for lifting device

Code Lifting device

2 Screwed cap H2
4 Packed lever H4

4594.2582 10 barg V62 V71

Article No. Set Pressure Connections

06/04 LWN 481.01-E

Type 459 HDD

4 Options
5 Documentation
6
Code and Medium

Type 459 HDD Option Please select requested documentation:

code
1 2
Inspections, tests: Option code 2 . 0
Plastic seal material (only d0 9 & d0 13) DIN EN 10204-3.2: TV-Nord
PCTFE G J48 Certificate for test pressure M33
1 Code
Vespel SP T J49 1. ASME Section VIII
LESER Certificate for 2. CE / VdTUEV
Stainless steel p 40 barg J78 Global Application H03 3. ASME Section VIII
bellows p > 40 barg J55 - Inspection certificate 3.1 acc. + CE / VdTUEV
Elastomer bellows J79 to DIN EN 10204
Heating jacket H29 - Declaration of conformity acc.
to PED 97/23/EC 2 Medium
.1 Gases
Part Option code .2 Liquids
Inlet body H01 .3 Steam
Outlet body L34 .0 Steam / Gases / Liquids
Bonnet L30 (valid only for CE / VdTUEV)
Cap / lever cover L31
Disc L23

Type 459 HDD

J48 H01 L30 2.0

Options Documentation Code and Medium

LWN 481.01-E 06/05

 Type 459 HDD
How to order Article numbers

Type 459 HDD male Type 459 HDD female

Packed lever H4 Packed lever H4
Conventional design Conventional design
Type 459 HDD

Type 459 HDD Type 459 HDD

Cap H2 Cap H2
Conventional design Balanced bellows
Flanged connection

06/06 LWN 481.01-E

Type 459 HDD
How to order Article numbers

Article numbers
Actual Orifice diameter d0 [mm] 6 6 9 13
Actual Orifice area A0 [mm2] 28,2 28,2 63,9 133
Actual Orifice diameter d0 [inch] 0,236 0,236 0,354 0,512
Actual Orifice area A0 [inch2] 0,044 0,044 0,099 0,206
Body material: 14404 (316L)
All body and 1.4404 H2 Art.-No. 4594. 2532 2542 2582 2592
trim parts H4 Art.-No. 4594. 2534 2544 2584 2594
p [barg] 420 - 700 700,01 850 1,5 420 0,2 200
S/G/L
p [psig] 6091 10152 10153 12325 21,7 6091 2,9 2901

For selection of inlet and outlet connection please refer to page 09/06 09/07.

Type 459 HDD

LWN 481.01-E 06/07

 Type 459 HDD
Dimensions and weights Metric Units
Threaded connections
Size Outlet body 1" 1" 1" 1" 1" 1" 1" 1"
Actual Orifice diameter d0 [mm] 6 6 6 9 9 13 13 13
Actual Orifice area A0 [mm2] 28,2 28,3 28,3 63,6 63,6 133 133 133

Weight Standard [kg] 3,9 3,9 3,9 3,9 3,9 3,9 3,9 3,9
Balanced bellows [kg] 4,7 4,7 4,7 4,7 4,7 4,7 4,7 4,7
Required installation diameter [mm] 165 165 165 165 165 165 165 165
Inlet thread Female
DIN ISO 228-1 G Inlet a 60,5 65,5 70 65,5 70,5 60,5 65,5 70,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75 75
Height [mm] H max. 290,5 295,5 300,5 295,5 300,5 290,5 295,5 300,5
ISO 7-1/BS 21 Rc Inlet a 60,5 70,5 70,5 70,5 70,5 60,5 70,5 70,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75 75
Height [mm] H max. 290,5 300,5 300,5 300,5 300,5 290,5 300,5 300,5
ANSI/ASME B1.20.1 NPT Inlet a 60,5 70,5 70,5 70,5 70,5 60,5 70,5 75,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75 75
Height [mm] H max. 290,5 300,5 300,5 300,5 300,5 290,5 300,5 300,5
Inlet thread Male
DIN ISO 228-1 G Inlet a 55,5 55,5 55,5 55,5 55,5 55,5 55,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75
ISO 7-1/BS 21 R Inlet a 52,5 52,5 52,5 52,5 52,5 52,5 52,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75
ANSI/ASME B1.20.1 NPT Inlet a 52,5 52,5 52,5 52,5 52,5 52,5 52,5
Center to face [mm] Outlet b 75 75 75 75 75 75 75

Height inlet thread Male

Conventional design Balanced bellows
1/ 3/ 1/ 3/
Inlet thread Size 2" 4" 1" 2" 4" 1"
DIN ISO 228-1 [mm] G H max. 300,5 301,5 303,5 345,5 346,5 348,5
ISO 7-1/BS 21 [mm] R H max. 301,5 302,5 305,5 346,5 347,5 350,5
ASME B1.20.1 [mm] NPT H max. 304,5 304,5 309,5 349,5 349,5 354,5
Type 459 HDD

Length of screwed end c inlet thread Male

1/ 3/
Inlet thread Size 2" 4" 1"
DIN ISO 228-1 [mm] G 15 16 18
ISO 7-1/BS 21 [mm] R 19 20 23
ASME B1.20.1 [mm] NPT 22 22 27

Required installation diameter c c

Conventional design Female thread Conventional design Male thread Balanced bellows

06/08 LWN 481.01-E

Type 459 HDD
Dimensions and weights Metric Units
Flanged connection
Conventional design Balanced bellows
Actual Orifice diameter d0 [mm] 6 9 13 6 9 13
Actual Orifice area A0 [mm2] 28,3 63,6 133 28,3 63,6 133
DIN ISO 1092-1 (Available flange sizes refer to page 09/07)
Flange rating PN 40 400
Center to face [mm] Inlet a 100 100 100 100 100 100
Outlet b 100 100 100 100 100 100
Height [H4] [mm] H max. 330 330 330 330 330 330
ASME B 16.5 (Available flange sizes refer to page 09/07)
Flange rating class 150 2500
Center to face [mm] Inlet a 100 100 100 100 100 100
Outlet b 100 100 100 100 100 100
Height [H4] [mm] H max. 330 330 330 375 375 375
Weight
For the calculation of the total weight please use the Formular: WT = WN + WF (Inlet) + WF (Outlet)
Weight net [kg]
2,6 2,6 2,6 3,8 3,8 3,8
(without inlet and outlet flange) WN

Flange dimensions and availability

DIN ISO 1092-1 / Flange rating PN ASME B16.5 / Flange rating class
Size 40 160 250 320 400 Size 150 300 600 900 1500 2500
DN 15 NPS 1/2"
Flange thickness [mm] s 18 22 26 26 30 14 18 26 30,2
Weight slip on flange [kg] WF 0,8 1,2 2,5 2,5 3,6 0,6 0,9 2,1 3
Available at Inlet
Available at Outlet
DN 20 NPS 3/4"
Flange thickness [mm] s 20 22 15 18 25,4 32
Weight slip on flange [kg] WF 1,1 1,3 0,8 1,4 2,3 3,5
Available at Inlet
Available at Outlet
DN 25 NPS 1"
Flange thickness [mm] s 22 26 30 36 40 17 21,5 32,5 40
Weight slip on flange [kg] WF 1,3 2,6 3,5 5 7,5 1 2,1 4,1 5,1

Type 459 HDD

Available at Inlet
Available at Outlet
DN 40 NPS 11/2"
Flange thickness [mm] s 23 23 34 22 24 38
Weight slip on flange [kg] WF 2,1 2,9 4,3 1,4 2,2 3,9
Available at Inlet
Available at Outlet

Conventional design Balanced bellows

LWN 481.01-E 06/09

 Type 459 HDD
Dimensions and weights US Units
Threaded connections
Size Outlet body 1" 1" 1" 1" 1" 1" 1" 1"
Actual Orifice diameter d0 [inch] 0,236 0,236 0,236 0,354 0,354 0,512 0,512 0,512
Actual Orifice area A0 [inch2] 0,044 0,044 0,044 0,099 0,099 0,206 0,206 0,206

Weight Standard [lbs] 5,7 5,7 5,7 5,7 5,7 5,7 5,7 5,7
Balanced bellows 7,5 7,5 7,5 7,5 7,5 7,5 7,5 7,5
Required installation diameter [inch] 61/2 61/2 61/2 61/2 61/2 61/2 61/2 61/2
Inlet thread Female
DIN ISO 228-1 G Inlet a 23/8 29/16 225/32 29/16 225/32 26/16 211/19 225/32
Center to face [inch] Outlet b 215/16 215/16 215/16 215/16 215/16 215/16 215/16 215/16
Height [inch] H max. 117/16 115/8 1113/16 115/8 1113/16 111/2 1147/71 1154/65
ISO 7-1/BS 21 Rc Inlet a 23/8 225/32 225/32 225/32 225/32 221/55 225/32 225/32
Center to face [inch] Outlet b 215/ 215/ 215/ 215/16 215/ 215/ 215/ 215/16
16 16 16 16 16 16

Height [inch] H max. 117/ 16 1113/ 16 1113/ 16 1113/16 1113/ 16 117/ 16 1154/65 1154/65
ANSI/ASME B1.20.1 NPT Inlet a 2 3/8 225/ 32 225/ 32 225/32 225/ 32 221/ 55 225/32 225/32
Center to face [inch] Outlet b 215/16 215/16 215/16 215/16 215/16 215/16 215/16 215/166
Height [inch] H max. 117/ 16 1113/ 16 1113/ 16 1113/ 16 1113/ 16 117/ 16 1154/ 65 1154/65
Inlet thread Male
DIN ISO 228-1 G Inlet a 23/16 23/16 23/16 23/16 23/16 23/16 23/16 23/16
Center to face [inch] Outlet b 215/ 215/ 215/ 215/ 215/ 215/ 215/16
16 16 16 16 16 16

ISO 7-1/BS 21 R Inlet a 21/16 21/16 21/16 21/16 21/16 21/16 21/16
Center to face [inch] Outlet b 215/16 215/16 215/16 215/16 215/16 215/16 215/16
ANSI/ASME B1.20.1 NPT Inlet a 21/16 21/16 21/16 21/16 21/16 21/16 21/16
Center to face [inch] Outlet b 215/ 215/ 215/ 215/ 215/ 215/ 215/16
16 16 16 16 16 16

Height inlet thread Male

Conventional design Balanced bellows
1/ 3/ 1/ 3/
Inlet thread Size 2" 4" 1" 2" 4" 1
DIN ISO 228-1 [inch] G H max. 1113/16 117/8 1115/16 1319/32 135/8 1323/32
ISO 7-1/BS 21 [inch] R H max. 117/8 1129/32 121/32 123/32 1311/16 1313/16
ASME B1.20.1 [inch] NPT H max. 12 12 123/ 16 133/4 133/ 4 1331/32
Type 459 HDD

Length of screwed end c inlet thread Male

1/ 3/
Inlet thread Size 2" 4" 1"
G 19/ 5/ 23/
DIN ISO 228-1 [inch] 32 8 32
R 3/ 25/ 29 /
ISO 7-1/BS 21 [inch] 4 32 32
ASME B1.20.1 [inch] NPT 7/ 7/ 11/16
8 8

Required installation diameter c c

Conventional design Female thread Conventional design Male thread Balanced bellows

06/10 LWN 481.01-E

Type 459 HDD
Dimensions and weights US Units
Flanged connection
Conventional design Balanced bellows
Actual Orifice diameter d0 [inch] 0,236 0,354 0,512 0,236 0,345 0,512
Actual Orifice area A0 [inch2] 0,044 0,099 0,206 0,044 0,099 0,206
DIN ISO 1092-1 (Available flange sizes refer to page 09/07)
Flange rating PN 40 400
Center to face [inch] Inlet a 315/16 315/16 315/16 315/16 315/16 315/16
Outlet b 15
3 /16 315/16 15
3 /16 315/16 315/16 315/16
Height [H4] [inch] H max. 13 13 13 143/4 143/4 143/4
ASME B 16.5 (Available flange sizes refer to page 09/07)
Flange rating class 150 2500
Center to face [inch] Inlet a 315/16 315/16 315/16 315/16 315/16 315/16
Outlet b 315/16 315/16 315/16 315/16 315/16 315/16
Height [H4] [inch] H max. 13 13 131/8 143/4 143/4 143/4
Weight
For the calculation of the total weight please use the Formular: WT = WN + WF (Inlet) + WF (Outlet)
Weight net [lbs]
5,7 5,7 5,7 8,4 8,4 8,4
(without inlet and outlet flange) WN

Flange dimensions and availability

DIN ISO 1092-1 / Flange rating PN ASME B16.5 / Flange rating class
Size 40 160 250 320 400 Size 150 300 600 900 1500 2500
DN 15 NPS 1/2"
11/ 7/ 11/32 11/32 13/16 9/ 11/ 11/32 13/16
Flange thickness [inch] s 16 8 16 16
Weight slip on flange [lbs] WF 1,8 2,6 5,5 5,5 7,9 1,3 2 4,6 6,6
Available at Inlet
Available at Outlet
DN 20 NPS 3/4"
25/ 7/ 19/ 11/ 1 11/4
Flange thickness [inch] s 32 8 32 16
Weight slip on flange [lbs] WF 2,4 2,9 1,8 3,1 5,1 7,7
Available at Inlet
Available at Outlet
DN 25 NPS 1"
7/ 11/32 13/16 113/32 19/16 11/ 27/ 19/32 19/32 19/16
Flange thickness [inch] s 8 16 32
Weight slip on flange [lbs] WF 2,9 5,7 7,7 11 16,5 2,2 4,6 9 9 11,2

Type 459 HDD

Available at Inlet
Available at Outlet
DN 40 NPS 11/2"
Flange thickness [inch] s 29/ 29/ 111/ 7/ 15/ 11/2
32 32 32 8 16
Weight slip on flange [lbs] WF 4,5 6,3 9,5 3,2 4,8 8,6
Available at Inlet
Available at Outlet

Conventional design Balanced bellows

LWN 481.01-E 06/11

 Type 459 HDD
Pressure temperature ratings

Metric Units
Actual Orifice diameter d0 [mm] 6 9 13
Actual Orifice Area A0 [mm2] 28,2 63,6 133
Body material 1.4404 (316L) Type 4594
Base / Connection size 1/
2"
3/
4" 1" 1/
2"
3/
4" 1" 1/
2"
3/
4" 1" 3/
4" 1" 11/4"
Inlet Body Pressure rating PN 700 PN 850 PN 500 PN 250
Outlet body Pressure rating PN 160 PN 160 PN 160 PN 160
Minimum
p [barg] S/G/L 420 420 1,5 0,2
set pressure
Maximum p [barg] S/G 700
set pressure 420 200
p [barg] L 850
Temperature min [C ] -270
acc. to DIN EN max [C ] +550
Temperature min [C ] -268
acc. to ASME max [C ] +538

US Units
Actual Orifice diameter d0 [inch] 0,236 0,354 0,512
Actual Orifice Area A0 [inch2] 0,044 0,099 0,206
Body material 1.4404 (316L) Type 4594
Base /
Connection size 1/ 3/ 1/ " 3/ " 1/ 3/ 3/ 11/4"
Inlet Body 2" 4" 1" 2 4 1" 2" 4" 1" 4" 1"

Minimum
p [psig] S/G/L 6091 10153 21,7 2,9
set pressure
Maximum p [psig] S/G 10150
set pressure 6091 2901
p [psig] L 12325
Temperature min [F ] -454
acc. to DIN EN max [F ] +1022
Temperature min [F ] -450
Type 459 HDD

acc. to ASME max [F ] +1000

Because there is no open bonnet for this type available, please use at a temperature of 300C (572F) a stainless steel bellows or a specific high temperature model
without a bellows. For DIN EN applications at temperatures under -10C please proceed according to AD-2000 Merkblatt W 10.

06/12 LWN 481.01-E

Type 459 HDD
Order information Spare Parts

Spare parts
Actual Orifice diameter d0 [mm] 6 9 13
Actual Orifice area A0 [mm2] 28,2 63,6 133
Actual Orifice diameter d0 [inch] 0,236 0,354 0,512
Actual Orifice area A0 [inch2] 0,044 0,099 0,206
Body (Item 1): Male thread Material-No. / Art.-No.
Connection Size 1/ 3/ 1/ 3/ " 1/ 1/
2" 4" 1" 2" 4 1" 2" 2" 1"
DIN ISO 228-1 G 316L stellited 136.6969.9000 136.7069.9000 136.7169.9000 136.7569.9000 136.7669.9000 136.8069.9000 136.8169.9000

ISO 7-1/BS 21 R 316L stellited 136.6969.9220 136.7069.9220 136.7169.9220 136.7569.9220 136.7669.9220 136.8069.9220 136.8169.9220

ANSI/ASME
NPT 316L stellited 136.6969.9204 136.7069.9204 136.7169.9204 136.7569.9204 136.7669.9204 136.8069.9204 136.8169.9204
B1.20.1

Body (Item 1): Female thread Material-No. / Art.-No.

DIN ISO 228-1 G 316L stellited 136.6969.9210 136.7069.9210 136.7169.9210 136.7469.9210 136.7569.210 136.7669.9210
ISO 7-1/BS 21 Rc 316L stellited 136.6969.9222 136.7069.9222 136.7169.9222 136.7469.9222 136.7569.9222 136.7669.9222 136.7969.9222 136.8069.9222 136.8169.9222

ANSI/ASME
NPT 316L stellited 136.6969.9211 136.7069.9211 136.7169.9211 136.7469.9211 136.7569.9211 136.7669.9211
B1.20.1

Body (Item 1): Flange design Material-No. / Art.-No.

PN 40
DN 15 / 316L stellited
PN 400
136.6969.9208 136.7469.9208 136.7969.9208
NPS 1/2" CL 300
316L stellited
CL 2500
PN 40
DN 20 / 316L stellited
PN 400
NPS 3/ " 136.7069.9208 136.3969.9208 136.5069.9208
4 CL 150
316L stellited
CL 2500
PN 40
DN 25 / 316L stellited 136.3469.9208 136.3569.9208
PN 400
NPS 1"
CL 150 316L stellited 136.7169.9208 136.7669.9202 136.8169.9202

CL 300
316L stellited 136.3469.9208 136.3569.9208

Type 459 HDD

CL 2500
Disc (Item 7): Metal to metal Material-No. / Art.-No.
Disc 1.4404 316L stellited 200.3269.9118 (L) / 200.3969.9118 (S/G) 200.2069.9118 200.2169.9118
Disc with sealing plate (Item 7) Material-No. / Art.-No.
Disc PCTFE G 200.2149.9006 200.2249.9006
1.4404
SP T 200.2149.9007 200.2249.9007
Sealing plate (Item 7.3) Material-No. / Art.-No.
Sealing PCTFE G 236.3569.0000 236. 0869.0000
plate 1.4404
SP T 236.3579.0000 236.0879.0000
Pin (Item 57) Material-No. / Art.-No.
Pin 1.4310 200.2039.9000 200.2039.9000 200.2139.9000
Gasket outlet body / bonnet (Item 60) Material-No. / Art.-No.
Gasket Graphite + 1.4401 500.2407.0000 500.2407.0000 500.2407.0000
Option code L68 Gylon (Filled PTFE) 500.2405.0000 500.2407.0000 500.2407.0000
Ball (Item 61) Material-No. / Art.-No.
Ball Ball [mm] 6 6 6
1.4401 510.0104.0000 510.0104.0000 510.0104.0000
Bellows and belows conversion kit (Item 15)
Stainless steel p 40 bar / 580 psig = 400.7949.0000
1.4571/316Ti
bellows p > 40 bar / 580 psig = 400.6349.0000
Conversion kit PN 40 / CL 600 5021.1050
> PN 40 / CL 600 5021.1051

LWN 481.01-E 06/13

 Type 459 HDD
Available Options

Male thread Female thread Flanged version

Disc with inserted sealing plate

J48: PTFE-FDA G
J49: VESPEL-SP T

Heating jacket Balanced bellows

H29
Type 459 HDD

Special material
2.4610 Hastelloy C4
2.4360 Monel 400
1.4462 Duplex

Code
YYYY
Code Code
XXXX ZZZZ

06/14 LWN 481.01-E

Type 459 HDD
Approvals

Approvals
Actual Orifice diameter d0 [mm] 6 9 13
Actual Orifice area A0 [mm2] 28,2 63,6 133
Actual Orifice diameter d0 [inch] 0,236 0,354 0,512
Actual Orifice area A0 [inch2] 0,044 0,099 0,206
Europe Coefficient of discharge Kdr
DIN EN ISO 4126-1 Approval No. 072020111Z0008/0/13
S/G 0,81 0,83 0,81
L 0,70 0,61 0,53
Germany Coefficient of discharge w
AD 2000-Merkblatt A2 Approval No. TV SV 909
S/G 0,81 0,83 0,81
L 0,70 0,61 0,53
United States Coefficient of discharge K
ASME Sec. VIII Approval No. M 37112
S/G 0,811
Approval No. M 37101
L 0,566
Canada Coefficient of discharge K
CRN Approval No. OG0730.95
S/G Refer to ASME Sec. VIII
L Refer to ASME Sec. VIII
China Coefficient of discharge w
CSBQTS Approval No.
S/G 0,81 0,83 0,81
L 0,70 0,61 0,53
Russia Coefficient of discharge w

Type 459 HDD

GGTN/ Approval No. PPC 00-18458
GOSGOTECHNADZOR S/G 0,81 0,83 0,81
GOST R L 0,7 0,61 0,53
Classification societies Homepage
Bureau Veritas BV www.bureauveritas.com
Det Norske Veritas DNV www.dnv.com The valid certification number is changed with every reneval.
Germanischer Lloyd GL www.gl-group.com
A sample certificate including the valid certification number can be taken
Lloyd s Register EMEA LREMEA www.lr.org from the homepage of the classification societies.
Registro Italiano Navale RINA www.rina.org

LWN 481.01-E 06/15

 Type 459 HDD
Capacities Metric Units
Capacities according to AD 2000-Merkblatt A2, based on set-pressure plus 10% overpressure.
Capacities at 1 bar (14,5 psig) and below are based on 0,1 bar (1,45 psig) overpressure.

Metric Units AD 2000-Merkblatt A2

Actual Orifice diameter d0 [mm] 6 9 13

Actual Orifice area A0 [mm2] 28,2 63,6 133,0
LEO*) [inch2] S/G = 0,036 L = 0,038 S/G = 0,082 L = 0,086 S/G = 0,171 L = 0,179
Set pressure Capacities Capacities Capacities
Steam Air Water Steam Air Water Steam Air Water
saturated 0C and 20C saturated 0C and 20C saturated 0C and 20C
1013 mbar 1013 mbar 1013 mbar
[bar] [kg/h] [mn3/h] [103kg/h] [kg/h] [mn3/h] [103kg/h] [kg/h] [mn3/h] [103kg/h]
0,2 53 61 1,96
1 120 143 3,75
1,5 77 92 2,54 156 188 4,6
2 93 113 2,93 190 229 5,31
3 127 155 3,59 258 316 6,5
4 158 195 4,14 322 396 7,51
5 189 234 4,63 386 477 8,39
6 220 274 5,07 449 557 9,19
7 251 313 5,48 511 638 9,93
8 282 353 5,86 573 718 10,6
9 312 392 6,21 636 799 11,3
10 343 432 6,55 699 879 11,9
12 405 511 7,17 824 1040 13
14 465 590 7,75 947 1201 14
16 527 669 8,28 1072 1363 15
18 588 748 8,78 1197 1524 15,9
20 650 827 9,26 1323 1685 16,8
25 802 1025 10,4 1633 2087 18,8
30 957 1223 11,3 1949 2490 20,6
35 1111 1421 12,2 2261 2893 22,2
40 1268 1618 13,1 2582 3295 23,7
45 1427 1816 13,9 2906 3698 25,2
50 1588 2014 14,6 3234 4101 26,5
60 1910 2409 16 3889 4906 29,1
70 2245 2805 17,3 4571 5711 31,4
80 2583 3201 18,5 5259 6517 33,6
90 2938 3596 19,6 5982 7322 35,6
100 3296 3992 20,7 6711 8127 37,5
120 4077 4783 22,7 8302 9738 41,1
140 4958 5574 24,5 10096 11349 44,4
Type 459 HDD

160 5977 6365 26,2 12171 12959 47,5

180 7262 7156 27,8 14786 14570 50,3
200 8989 7947 29,3 18303 16181 53,1
220 8738 30,7
240 9529 32,1
260 10320 33,4
280 11111 34,6
300 11902 35,9
320 12693 37
340 13484 38,2
360 14275 39,3
380 15066 40,4
400 15857 41,4
420 7221 21,6 16648 42,4
440 7564 22,1
No saturated steam application

460 7907 22,6

480 8250 23,1
in set pressure range

500 8593 23,6

520 8936 24,1
540 9280 24,5
560 9623 25
580 9966 25,4
600 10309 25,9
650 11167 26,9
700 18024 27,9
750 12882 28,9
800 13740 29,9
850 14598 30,8
*) LEOS/G/L = LESER Effective Orifice steam / gas / liquids please refer to page 00/11
How to use capacity-sheets refer to page 00/09
06/16 LWN 481.01-E
Type 459 HDD
Capacities US Units
Capacities according to ASME Section VIII (UV), based on set-pressure plus10% overpressure.
Capacities at 30 psig (2,07 bar) and below are based on 3 psig (0,207 bar) overpressure.

US Units ASME Section VIII

Actual Orifice diameter d0 [inch] 0,236 0,354 0,512

Actual Orifice area A0 [inch2] 0,044 0,099 0,206
LEO*) [inch2] S/G = 0,036 L = 0,038 S/G = 0,082 L = 0,086 S/G = 0,171 L = 0,179
Set pressure Capacities Capacities Capacities
Steam Air Water Steam Air Water Steam Air Water
saturated 60 F and 70F saturated 60 F and 70F saturated 60 F and 70F
14,5 psig 14,5 psig 14,5 psig
[psig] [lb/h] [S.C.F.M.] [US-G.P.M.] [lb/h] [S.C.F.M.] [US-G.P.M.] [lb/h] [S.C.F.M.] [US-G.P.M.]
5 195 69 12,5
10 238 85 16
20 155 55 10,2 324 115 21,2
30 196 70 12,2 410 146 25,4
40 242 86 14,1 504 180 29,3
50 287 103 15,8 599 213 32,8
60 332 119 17,3 693 247 35,9
70 377 135 18,7 788 281 38,8
80 423 151 19,9 882 315 41,5
90 468 167 21,2 977 348 44
100 513 184 22,3 1071 382 46,4
150 740 265 27,3 1544 551 56,8
200 966 346 31,5 2016 719 65,6
250 1193 427 35,3 2489 888 73,4
300 1419 508 38,6 2962 1056 80,4
350 1646 589 41,7 3434 1225 86,8
400 1872 670 44,6 3907 1393 92,8
450 2099 751 47,3 4379 1562 98,4
500 2326 832 49,9 4852 1731 104
600 2779 994 54,6 5797 2068 114
700 3232 1156 59 6742 2405 123
800 3685 1318 63,1 7688 2742 131
900 4138 1480 66,9 8633 3079 139
1000 4591 1642 70,5 9578 3416 147
1100 5044 1804 74 10523 3753 154
1200 5497 1966 77,2 11469 4091 161
1300 5950 2128 80,4 12414 4428 167
1400 6394 2290 83,4 13340 4765 174
1500 6889 2452 86,4 14373 5102 180
1600 7393 2614 89,2 15424 5439 186
1700 7907 2776 91,9 16497 5776 191
1800 8433 2938 94,6 17594 6113 197
1900 8971 3100 97,2 18718 6451 202
2000 9525 3262 100 19872 6788 208

Type 459 HDD

2250 10988 3667 106 22925 7631 220
2500 12604 4072 111 26298 8473 232
2750 14454 4477 117 30158 9316 243
3000 4882 122 10159 254
3250 5287 127
3500 5692 132
3750 6097 137
4000 6502 141
4250 6908 145
4500 7313 150
4750 7718 154
5000 8123 158
5250 8528 162
5500 8933 165
5750 9338 169
6000 4330 76,8 9743 173
6250 4510 78,4 10148 176
6500 4690 79,9
No saturated steam application

6750 4870 81,4

7000 5050 82,9
in set pressure range

7250 5230 84,4

7500 5410 85,8
7750 5590 87,3
8000 5770 88,6
8250 5950 90
8500 6130 91,4
8750 6310 92,7
9000 6490 94
9500 6851 96,6
10000 7211 99,1
11000 7931 104,0
12000 8651 109,0

*) LEOS/G/L = LESER Effective Orifice steam / gas / liquids please refer to page 00/11
How to use capacity-sheets refer to page 00/09
LWN 481.01-E 06/17
 Type 459 HDD
h = Lift [mm]
Determination of coefficent of discharge d0 = Flow diameter [mm] of selected safety
valve, refer to table article numbers
in case of lift restriction or back pressure h/d0 = Ratio of lift / flow diameter
pa0 = Back pressure [bara]
p0 = Set pressure [bara]
pa0 /p0 = Ratio of back pressure / set pressure
Kdr = Coefficient of discharge
acc. to DIN EN ISO 4126-1
w = Coefficient of discharge
acc. to AD 2000-Merkblatt A2
Diagram for evaluation of ratio of lift / flow diameter (h/d0) Kb = Back pressure correction factor
in reference to the coefficient of discharge (Kdr/w) acc. to API 520 topic 3.3

d0 6 mm d0 9 mm d0 13 mm
Kdr = w = f (h/d0) S/G Kdr = w = f (h/d0) S/G Kdr = w = f (h/d0) L
0,85 0,80

0,75
0,70

0,65
A lift restriction 0,60

ist not applicable 0,55

because the actual 0,50

Coefficient of discharge Kdr / w

Coefficient of discharge Kdr / w

design and the certified 0,45

lift 1,5 mm / 1/16 inch. 0,40

0,35

0,30
0,25

0,15 0,20
0,05 0,1 0,15 0,2 0,25 0,05 0,1 0,15 0,2 0,25
Ratio of lift / flow diameter h / d0 0,23 Ratio of lift / flow diameter h / d0 0,22

d0 6 mm d0 9 mm d0 13 mm
Kdr = w = f (h/d0) S/G Kdr = w = f (h/d0) L Kdr = w = f (h/d0) L
0,65 0,55

0,60 0,50

0,45
0,55
A lift restriction
0,40
ist not applicable 0,50

because the actual 0,35

Coefficient of discharge Kdr / w

Coefficient of discharge Kdr / w

design and the certified 0,45

0,30
lift 1,5 mm / 1/16 inch.
0,40
Type 459 HDD

0,25

0,35 0,20

0,30 0,15
0,10 0,15 0,20 0,25 0,05 0,1 0,15 0,2 0,25
Ratio of lift / flow diameter h / d0 0,22 Ratio of lift / flow diameter h / d0 0,23

Diagram for evaluation of ratio of the coefficient of discharge (Kdr /w)

in reference to the ratio of back pressure / set pressure (pa0/p0)

d0 6 mm d0 9 mm d0 13 mm
Kdr = w = f (pa0/p0) und Kb = f (pa0/p0) Kdr = w = f (pa0/p0) and Kb = f (pa0/p0) Kdr = w = f (pa0/p0) and Kb = f (pa0/p0)
0,9 0,9 1,10

1,00 1,00
0,8 0,8
0,90 0,90
0,7 0,7
0,80 0,80
The certified coefficent 0,6 0,6
0,70 0,70
of discharge Kdr / w
0,5 0,60 0,5 0,60
S/G = 0,81
Back pressure correction factor Kb

Back pressure correction factor Kb

Coefficient of discharge Kdr / w

Coefficient of discharge Kdr / w

0,50 0,50
L = 0,70 0,4 0,4

0,40 0,40
is constant in 0,3 0,3
0,30 0,30
set pressure range. 0,2 0,2
0,20 0,20
0,1 0,1
0,10 0,10

0,0 0,00 0,0 0,00

0,2 0,25 0,3 0,35 0,4 0,45 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9
Ratio of back pressure / set pressure pa0 / p0 Ratio of back pressure / set pressure pa0 / p0
0,909

How to use please refer to page 00/08

06/18 LWN 481.01-E