InterpumpPumps & Compressors

Interpump PUMP WK12 L

The Interpump WK12 L is an industrial pump delivering 120 L/min at 120 bar, powered by a 27.6 kW motor operating at 1000 rpm. It serves high-pressure hydraulic applications requiring reliable flow and pressure…

SKU 3G-ITP-01801

Also listed as: WK0012S000 · WK0012S 000

Brand

Interpump

Item

PUMP WK12 L

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

Interpump

Flow Rate

120 L/min

Pressure

120 bar

Power

27.6 kW

Speed

1000 RPM

Weight

70 kg

Dimensions

526 mm

Power

37.6 HP

Flow (US)

31.7 GPM

Pressure

12 MPa

Pressure

1740 PSI

Datasheet Content

WK12




TECHNICAL INFORMATION
Flow (L/min)                        120
Flow (US Gpm)                       31,7
Rotation regime (rpm)               1000
Pressure (MPa)                      12
Pressure (bar)                      120
Pressure (psi)                      1740
Power (hp)                          37,6
Power (kW)                          27,6
Overall dimensions L x l x h (mm)   526x367x252,5
Weight (kg)                         70




WK12                                                3/21/2026   Page 1 - 6
Copyright INTERPUMP GROUP S.P.A
WK12

     Documents

Male shaft (key) - GAS




WK12                              3/21/2026   Page 2 - 6
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS




WK12                                  3/21/2026   Page 3 - 6
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS

Pos.      Code          Description                  Qty Notes
KIT2222   34222201                                   1
KIT2155   34215501                                   1
KIT2154   34215401                                   1
KIT2135   34213501                                   1
KIT2066   34206601                                   1
KIT2013   34201301                                   1
KIT2012   34201201                                   1
67        99429500      SCREW M12X35 UNI5931 12.31 14
                        DACR.
65        71050866                                   3
64        90911000                                   3
63        90924000                                   3
63        90922200      UPPER HALF CONROD BUSHING 3
                        +0.5 (BIG END) S.70

63        90922100      UPPER HALF CONROD BUSHING 3
                        +0.25 (BIG END) S.70

62        90924300                                   3
62        90922500      LOWER HALF CONROD BUSHING 3
                        +0.50 (BIG END) S.70

62        90922400      LOWER HALF CONROD BUSHING 3
                        +0.25 (BIG END) S.70

61        71225951      PLUG CAP                     3
60        71225851                                   6
58        71223074      STAFFA DI SOLLEVAMENTO       1
57        99426600      VITE TE M12X25-UNI5739 ZINC. 1


56        71030701                                   3
55        90352800      O-RING D. 29.00x1.50 NBR 70SH 3


54        99199400                                   6
53        94754000      SPRING D.24.7X27             3
52        36713601                                   3
51        36713701                                   3
50        90524000                                   6
49        36204156                                   6
48        36208502      SPHERICAL VALVE COMPLETE     6
47        36208651      INNER VALVE GUIDE            6
46        94755000                                   3
45        36204505      VALVE CAGE SS (71 SERIES)    6


44        90388900                                   12
43        90525000                                   6




WK12                                                             3/21/2026   Page 4 - 6
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS

Pos.   Code             Description                  Qty Notes

42     71211170                                      6
40     71227415                                      2
39     99448000                                      8
38     71129215                                      1
37     72100051         HEAD RING D.32               1
36     90278800         PACKING D.32X44              1
35     90278400         RESTOP RING D. 32x44x5,5/3   1


34     90389100                                      3
33     72210470                                      1
32     90278000         PACKING D.32x40x5,5 L.P      1
31     72210570                                      3
30     90079700                                      3
29     71219566                                      3
28     90367100                                      3
27     72040009                                      3
26     96714000                                      3
25     90167800                                      3
24     97743000                                      3
23     71050715                                      3
22     90060600                                      1
21     71606601                                      3
20     90170000                                      1
19     71150022                                      1
18     91500000                                      1
17     71020035                                      1
16     99313800                                      6
15     98206000                                      4
14     90400000                                      1
13     71160022                                      1
12     98212000                                      1
11     98218700                                      1
10     90384100         O-RING 17,12X2,62 (3068)     1
9      99186700         SCREW M 6x18 UNI 5931        20
8      71150122                                      1
7      90387700         O-RING 39,34X2,62 (3156)     1
6      70211801         OIL SIGHT GLASS              1
5      90075600         CIRCLIP D.45 (ZJ45)          1
4      70220381         SHIM 0.25 MM.                1
4      70220081         SHIM 0.1 MM.                 1
3      90391800                                      2




WK12                                                             3/21/2026   Page 5 - 6
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS

Pos.   Code             Description   Qty Notes

2      91859000                       2
1      71010022                       1




WK12                                              3/21/2026   Page 6 - 6
Copyright INTERPUMP GROUP S.P.A

Technical Documents

(1)

Technical Data Sheet

PDF Document

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

Interpump Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the Interpump WK12 L pump used for?

The Interpump WK12 L is an industrial pump designed for high-pressure hydraulic applications. It delivers 120 L/min at 120 bar, making it suitable for demanding tasks such as pressure washing, water jetting, and industrial cleaning systems where reliable flow and pressure are required.

What are the specifications of the Interpump WK12 L pump?

The Interpump WK12 L pump delivers 120 L/min at 120 bar, with a power rating of 27.6 kW (37.6 hp) at 1000 rpm. It weighs 70 kg and has overall dimensions of 526 mm x 367 mm x 252.5 mm. The pump features a male shaft (key) connection and is built by Interpump Group S.p.A.

Where to buy the Interpump WK12 L pump in Singapore?

3G Electric supplies the Interpump WK12 L pump to Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact our team for a quotation and lead time on this high-pressure industrial pump.

How to install the Interpump WK12 L pump?

Install the Interpump WK12 L pump on a stable, level foundation. Align the male shaft (key) with the coupling, ensuring proper alignment to avoid vibration. Connect inlet and outlet piping per the manufacturer's guidelines, and verify rotation direction before starting. Always consult the Interpump manual for torque specifications.

Used in

Common applications for Interpump

Shipyard hull cleaning and surface prep — HT100 and W951 paired with dual-lance guns for dockyard service

Petrochemical heat-exchanger descaling — WS-series stainless pumps for neutral-pH cleaning chemistry

Outdoor HVAC condenser mist cooling — ZP180 pumps on rooftop chiller decks

Textile fibre-finishing — W170 and W270 for mist-jet application across drying lines

Municipal water treatment — W951 motor pumps for high-pressure disinfection chemical injection

Spare Parts & Repair Kits

Official WK12 parts list — 20 parts, 20 available in catalog

Official Parts List

WK12 — Male shaft (key) - GAS exploded diagram

Individual Components

PosCodeDescriptionQty

SHIM 0.25 MM.

70220381×1Available

Interpump PUMP WK12 L

Local availability & support — Singapore

Technical Specifications

Datasheet Content

Technical Documents

Need installation or engineering help?

Ask a question

Product Description

Frequently Asked Questions

Used in

Spare Parts & Repair Kits

Interpump Products

You might also need