Data sheet

Customer item no.:

Communication dated: Number: ES 8000368624
Doc. no.: Quick quote Item no.: 100
Quantity: 1 Date: 21/04/2020
Page: 1 / 5

Multitec D 65/ 6C-6.1 10.66 Version no.: 1

Operating data
Requested flow rate 50.00 m³/h Actual flow rate 50.00 m³/h
Requested developed head 350.00 m Actual developed head 361.11 m
Pumped medium + Water, high-temperature hot Efficiency 67.7 %
water Power absorbed 69.57 kW
+ High-temperature hot water Pump speed of rotation 2980 rpm
treated to VdTÜV 1466 NPSH required 2.64 m
Not containing chemical and Permissible operating 40.00 bar.g
mechanical substances which pressure
affect the materials Discharge press. 34.43 bar.g
Solids content max. 50 ppm
Ambient air temperature 20.0 °C
Fluid temperature 100.0 °C

Fluid density 958 kg/m³ Shutoff pressure 36.56 bar.g

Fluid viscosity 0.30 mm²/s Min. mass flow for stable 11.25 kg/s
Suction pressure max. 0.50 bar.g curve
Vapour pressure 1.01 bar.a Min. allow. mass flow for 3.44 kg/s
Mass flow rate 13.31 kg/s continuous operation
Max. power on curve 98.33 kW Min. allow. mass flow short 3.44 kg/s
Minimum flow for stable curve 42.26 m³/h term operation
Minimum allowable flow for 12.93 m³/h Shutoff head 383.78 m
continous operation Max. allow. flow rate 94.30 m³/h
Min. allow. flow for short term 12.93 m³/h Max. allow. mass flow 25.10 kg/s
operation Design Single system 1 x 100 %
Tolerances to ISO 9906 Class
3B; below 10 kW acc. to
paragraph 4.4.2

Design
Variant D Material code PA/PTFE
Stage number 6 Shaft seal code 66
Balance drum with piston Sealing plan P2 Gland packing, without
Design Baseplate mounted, long- sealing liquid (Nb)
coupled Seal chamber design Standard seal chamber
Orientation Horizontal Impeller diameter 214.0 / 196.0 mm
Suction nominal dia. DN 100 Minimum impeller diameter 192.0 mm
Suction nominal pressure PN 16 Full impeller diameter 214.0 mm
Suction position 90° (right) Free passage size 12.5 mm
Suction flange drilled EN 1092-2 Direction of rotation from drive Anticlockwise
according to standard Bearing bracket construction Standard (normal) two-sided
Discharge nominal dia. DN 65 Bearing bracket size 65
Discharge norminal pressure PN 40 Bearing seal Thrower
Discharge position top (0°/360°) Bearing type Anti-friction bearings
Viewed from the drive Lubrication type Grease
Discharge flange drilled EN 1092-2 Temperature sensor PT100 Without
according to standard mts
Shaft seal Gland packing Color Ultramarine blue (RAL 5002)
Manufacturer Latty KSB-blue
Type 2790
Data sheet

Customer item no.:

Communication dated: Number: ES 8000368624
Doc. no.: Quick quote Item no.: 100
Quantity: 1 Date: 21/04/2020
Page: 2 / 5

Multitec D 65/ 6C-6.1 10.66 Version no.: 1

Driver, accessories
Driver type Electric motor Frequency 50 Hz
Drive standard mech. IEC Rated power P2 90.00 kW
Drive supplied by without motor Available reserve 29.37 %
Motor const. type B3 Number of poles 2
Motor size 280M Motor data can vary from type plate information. Motor data
describes KSB´s choice functional specification and is used for
pump selection.

Materials 10
Suction casing (106) Grey cast iron EN-GJL-250 O-Ring (412) EPDM 80
Discharge casing (107) Grey cast iron EN-GJL-250 Shaft seal housing (441) Grey cast iron EN-GJL-250
Stage casing (108) Grey cast iron EN-GJL-250 Shaft protecting sleeve (524) Chrome steel 1.4122+QT750
Shaft (210) Tempered steel C45+N Bush (540) Grey cast iron EN-GJL-250
Impeller (230) Grey cast iron EN-GJL-250 Disc (550.1) Stainless steel 1.4301
Impeller, suction stage (231) Grey cast iron EN-GJL-250 Piston (59-4) Chrome steel
Bearing housing (350) Grey cast iron EN-GJL-250 1.4021QT700+SR
Tie bolt (905) 42CrMo4
Performance curve

Customer item no.:

Communication dated: Number: ES 8000368624
Doc. no.: Quick quote Item no.:100
Quantity: 1 Date: 21/04/2020
Page: 3 / 5

Multitec D 65/ 6C-6.1 10.66 Version no.: 1

400
Qmin
Total developed head

350

[m]

300 Qmax

ø214.0/A01;ø196.0/A01
250
0 20 [m³/h] 40 60 80 100
NPSH req.

[m]

2
0 20 [m³/h] 40 60 80 100
Efficiency

50

[%]

0
0 20 [m³/h] 40 60 80 100

100
Power Input

[kW]

50

0 20 [m³/h] 40 60 80 100
Flow
Curve data
Speed of rotation 2980 rpm Efficiency 67.7 %
Fluid density 958 kg/m³ Power absorbed 69.57 kW
Viscosity 0.30 mm²/s NPSH required 2.64 m
Flow rate 50.00 m³/h Curve number 1777.407521/05 GG
Requested flow rate 50.00 m³/h Impeller diameter 214.0 / 196.0 mm
Total developed head 361.11 m Acceptance standard Tolerances to ISO 9906
Requested developed head 350.00 m Class 3B; below 10 kW
acc. to paragraph 4.4.2
Installation plan

Customer item no.:

Communication dated: Number: ES 8000368624
Doc. no.: Quick quote Item no.:100
Quantity: 1 Date: 21/04/2020
Page: 4 / 5

Multitec D 65/ 6C-6.1 10.66 Version no.: 1

225 225 381 505 303

82 DN1 DN2

225

25

190

PC749

399 485

30

10
18 30

35
405
365
ø 20
ø 32 k7

60 60

Drawing is not to scale Dimensions in mm

Motor Connections
required but not scope of supply Suction nominal size DN1 DN 100 / EN 1092-2
Motor size 280M Discharge nominal size DN2 DN 65 / EN 1092-2
Motor power 90.00 kW Nominal pressure suct. PN 16
Number of poles 2 Rated pressure disch. PN 40
Speed of rotation 2980 rpm

Weight net
Pump 230 kg
Total 230 kg
Connect pipes without stress or strain! For auxiliary connections see
Dimensional tolerances for shaft axis height: DIN 747 separate drawing.
Dimensions without tolerances, middle tolerances to: ISO 2768-m
Connection dimensions for pumps: EN735
Dimensions without tolerances - welded parts: ISO 13920-B
Dimensions without tolerances - gray cast iron parts: ISO 8062-CT9
Connection plan

Customer item no.:

Communication dated: Number: ES 8000368624
Doc. no.: Quick quote Item no.:100
Quantity: 1 Date: 21/04/2020
Page: 5 / 5

Multitec D 65/ 6C-6.1 10.66 Version no.: 1

1M.1 1M.2

20E.1 20E.2

8B.1 737D61BF
8B.2
6B.1 6B.2

Connections
1M.1 Pressure gauge connection G 1/2 Drilled and plugged.
1M.2 Pressure gauge connection G 1/2 Drilled and plugged.
6B.1 Pumped liquid drain G 1/2 Drilled and plugged.
6B.2 Pumped liquid drain G 1/2 Drilled and plugged.
8B.1 Leakage drain Rp 3/8 Drilled
8B.2 Leakage drain Rp 3/8 Drilled
20E.1 Grease nipple Mounted at the factory
20E.2 Grease nipple Not executed