Product Data Sheet: Conservation Vent
Product Data Sheet: Conservation Vent
Product Data Sheet: Conservation Vent
Conservation Vent
(Pressure/Vacuum)
Open Vent
Conservation Vent
6, 8, 10 & 12
Conservation Vent with
Flame Snuffer Option
TANK PRESSURE
WELL BELOW SETTING
APPROACHING
SET POINT
Shand & Jurs Expanda-Seal option is available on all pressure pallet assemblies. This feature, shown in red,
significantly reduces leakage. The ballooning effect of the teflon diaphragm effectively seals the valve. The ExpandaSeal feature ensures less than .5 SCFH of leakage at 95% of the set point.
5911 Butterfield Road, Hillside, Illinois 60162
an L&J Technologies Company
20
E-mail: sales@ljtechnologies.com
http:\\www.ljtechnologies.com
Fax: (708)236-6006
ISO 9001 Registered
PDS94020-2D
94020
Conservation Vent
(Pressure/Vacuum)
SPECIFICATIONS:
Standard
Materials
of
Construction
Severe
Normal Aluminum
Low Temperature
Body
CA
CA
CI/DI
CS
Cover
CA
CA
CS
CS
Hood
18-8SS, PA1
AL
AL2
AL
SS
316SS
GI
GI
316SS
316SS
Seats3
Stem Guide
316SS
316SS
316SS
316SS
AL
AL
316SS
316SS
Pressure Stem
316SS
316SS
316SS
316SS
316SS
Vacuum Stem
AL4
304SS
316SS
316SS
316SS
Screens
AL4
GS
304SS
304SS
316SS
Retainer
AL
AL
316SS
316SS
316SS
Hardware
ZS
316SS
316SS
ZS
316SS
FEP
FEP
FEP
FEP
FEP
Pallets
Diaphragms
NOTES: 1. 18-8SS for 2, 3, 4, 6 & 8 sizes; spun alum. for 10 & 12 sizes.
Material Legend:
AL Aluminum
CA Cast Aluminum
Cl Cast Iron
CS
DI
Gl
GS
Cast Steel
Ductile Iron
Galvanized Iron
Galvanized Steel
E-mail: sales@ljtechnologies.com
PA Spun Aluminum
FEP FEP Teflon
ZS Zinc Plated Steel
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Fax: (708)236-6006
ISO 9001 Registered
21
94020
Conservation Vent
(Pressure/Vacuum)
Principle of Operation
Fig. 1
Fig. 2
Fig. 3
Fig. 4
22
E-mail: sales@ljtechnologies.com
http:\\www.ljtechnologies.com
Fax: (708)236-6006
ISO 9001 Registered
PDS94020-2D
94020
Conservation Vent
(Pressure/Vacuum)
6, 8, 10 & 12
Cryogenic
Hood Model
Dimensions in Inches
Vent Size*
(In.)
6
8
10
12
30
34 1/2
41
44 1/2
12 1/8
14 11/16
17 1/2
19 3/4
5 5/8
7 3/8
8 3/8
10
8 1/8
9 5/8
11 3/8
12 5/8
8 1/2
10
11 5/8
13
11 1/2
12 1/2
14 3/16
15 3/8
17 1/16
21 1/4
25 1/2
29 7/8
E-mail: sales@ljtechnologies.com
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ISO 9001 Registered
23
94020
Conservation Vent
(Pressure/Vacuum)
"Size"
Valve
Size
Outlet
Size
"H"
"J"
"K"
"L"
2"
2"
13
11 1/8
5 1/32
4 1/4
2"
3"
13
11 1/8
5 1/32
4 1/4
3"
3"
16 3/8
13 1/4
5 9/16
5 1/4
3"
4"
16 3/16
13 3/4
5 31/32
5 1/4
4"
4"
20
20 3/8
6 1/2
4"
6"
19 1/4
15 3/4
7 1/32
5 15/16
6"
6"
26 1/4
21 1/4
9 3/8
8 3/8
6"
8"
26 3/16
21 1/4
10 11/32
8 1/4
8"
8"
31 5/8
25 1/2
11 11/16
9 3/4
8"
10"
31 5/8
26 3/16 12 23/32
10"
10"
37 7/8
10"
12"
37 7/8
30 1/4
12"
12"
43 3/8
33 7/8
12"
14"
43 3/8
33 7/8
Connection
*
*
"J"
*
*
"K"
*
*
Valve Inlet
"Size"
Connection
"L"
"B"
"H"
30
13 7/8
9 3/4
11 19/32
14 29/32 11 19/32
16 1/4
12 13/16
16 29/32 12 13/16
NOTES:
1.
2.
3.
Valve
Size
2"
3"
4"
6"
8"
10"
12"
"E"
Valve
"Size"
Connection
"B"
"D"
"B"
"D"
"E"
9
11 1/8
13 1/2
17 15/16
21 7/8
26 1/4
30 9/16
15 1/4
17 15/16
21 1/2
28 1/2
31 3/16
40 5/8
44 5/8
11 1/8
13 3/4
15 3/4
18 3/4
21 1/4
28 1/8
32 1/4
Diameter
"F"
12 7/8
13 9/16
15 15/16
18 5/8
18 5/8
25 9/16
29 7/8
NOTES:
1.
2.
3.
All designs subject to change. Certified dimensions and specifications available upon request
5911 Butterfield Road, Hillside, Illinois 60162
an L&J Technologies Company
24
E-mail: sales@ljtechnologies.com
http:\\www.ljtechnologies.com
Fax: (708)236-6006
ISO 9001 Registered
PDS94020-2D
94020
Conservation Vent
ORDERING GUIDE
(Pressure/Vacuum)
The CONSERVATION VENTS provide tank venting and breathing with high efficiency, maximum flow
capacity and minimum leakage. Standard materials of construction include low copper aluminum,
cast iron, ductile iron, cast steel, and 316 Stainless Steel. The 94020 comes in open or closed vent
versions, and in sizes 2 through 12. Cryogenic hoods, flame snuffers, limit switches and steam
jacketing and steam tracing are available.
*Low copper aluminum alloy construction reduces need for special materials in corrosive and extreme temperature service
*Peripheral and stem guided pressure pallet assures smooth lift and closure.
*Unique floating diaphragm construction assures positive seal and minimal blowdown, thus conserving valuable tank content
*Capacity certified in accordance with API standards
*Expanda-Seal diaphram for reduced leakage
ORDERING INFORMATION
Specify:
1. Model 94020 Conservation Vent
2. Size and Body Material
3. Screwed or Flanged Connection on 2 and 3 Size
4. Closed Vent or Vent to Atmosphere (With or without flame snuffer)
5. Pressure and Vacuum Settings (if other than normal setting)
6. Type of Cleaning (if for oxygen service)
7. Optional Materials of Construction, as Required
8. To Specify CE for Ordinary EU Locations use
94020C AB CD EF GH
9. To Specify ATEX Certification for Group IIB, IIA EU Locations
use 94020A AB CD EF GH. ATEX Certification includes CE Mark.
5911 Butterfield Road, Hillside, Illinois 60162
an L&J Technologies Company
PDS94020-2D
E-mail: sales@ljtechnologies.com
http:\\www.ljtechnologies.com
Fax: (708)236-6006
ISO 9001 Registered
25
94020
Conservation Vent
ORDERING GUIDE
(Pressure/Vacuum)
Size
11
12
21
22
*31/41
*32/42
51
52
71
72
13
14
23
24
*33/43
*34/44
53
54
73
74
15
25
2"
2"
2"
2"
2"
2"
2"
2"
2"
2"
3"
3"
3"
3"
3"
3"
3"
3"
3"
3"
4"
4"
* 3X = Cast Iron
4X = Ductile Iron
TYPE OF
CONNECTION
NPT**
Flanged
NPT**
Flanged
NPT**
Flanged
NPT**
Flanged
NPT**
Flanged
NPT**
Flanged
NPT**
Flanged
NPT**
Flanged
NPT**
Flanged
NPT**
Flanged
Flanged
Flanged
BODY
MATERIAL
ALUM
ALUM
ALUM CRYO HOOD
ALUM CRYO HOOD
CI/DI
CI/DI
CS
CS
SS 316
SS 316
ALUM
ALUM
CI/DI
CI/DI
CS
CS
SS 316
SS 316
ALUM
Option AB
SIZE
*35/45
55
75
16
26
*36/46
56
76
17
27
*37/47
57
77
18
28
*38/48
58
78
19
29
*39/49
59
79
4"
4"
4"
6"
6"
6"
6"
6"
8"
8"
8"
8"
8"
10"
10"
10"
10"
10"
12"
12"
12"
12"
12"
TYPE OF
CONNECTION
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
Flanged
BODY
MATERIAL
CI/DI
CS
SS 316
ALUM
ALUM CRYO HOOD
CI/DI
CS
SS 316
ALUM
CI/DI
CS
SS 316
ALUM
ALUM CRYO HOOD
CI/DI
CS
SS 316
ALUM
CI/DI
CS
SS 316
DESCRIPTION
0
FF ANSI 150 lb
1
RF ANSI 150 lb*
2
DIN 2633 PN 16 FF
3
DIN 2633 PN 16 RF*
4
JIS 10K FF
5
JIS 10K RF*
* RF Not available in aluminum
TABLE (D) - VENT TYPE
OPTION #
1
2
3
4
6
DESCRIPTION
Open Vent
Open Vent w/ Flame Snuffer-Not Available with ATEX (H5, H6, or H7)
Closed, Standard Outlet>Inlet*
Closed, P&V C.F.
Closed, Same Size Inlet, Outlet, Seat**
* Standard closed vent (outlet is one size larger than the inlet)
Ex. - 2 Inlet X 3 Outlet, 6 Inlet X 8 Outlet
**Note: Replaced Option 5. Dimensions are not identical.
Consult Factory if replacement valve is required.
26
E-mail: sales@ljtechnologies.com
http:\\www.ljtechnologies.com
Fax: (708)236-6006
ISO 9001 Registered
PDS94020-2D
94020
Conservation Vent
ORDERING GUIDE
(Pressure/Vacuum)
DESCRIPTION
MATERIAL
1
Standard Pressure and Vacuum Setting**= .5 oz/sq. in
2
Over 2.9 oz/sq. in., to max. setting
3
>Standard to 2.9 oz/sq.in.
4
Standard Setting**
5
Over 2.9 oz/sq. in., to max. setting
6
>Standard to 2.9 oz/sq.in.
** Expanda-Seal min. pressure setting: 1.5 oz/sq. in.
Seat
STD*
Teflon
AL
Phenolic
SS
Teflon Coated SS
Pallet
STD*
STD*
STD*
STD*
STD*
STD*
A
+ B
C
+ D
E
F
STD*
Teflon
AL
Phenolic
SS
Teflon Coated SS
316SS
316SS
316SS
316SS
316SS
316SS
Lead
Lead
Lead
316 SS
316 SS
316 SS
Cleaning
Normal
LOX
LIN
Normal
LOX
LIN
Normal
LOX
LIN
Trim
STD
STD
STD
316SS
316SS
316SS
Monel
Monel
Monel
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Fax: (708)236-6006
ISO 9001 Registered
27