InterpumpPumps & Compressors

Interpump PUMP WK355 R

SKU 3G-ITP-01809

Also listed as: WK0355000 · WK0355 000

Brand

Interpump

Item

PUMP WK355 R

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

57 L/min

Pressure

350 bar

Power

38.1 kW

Speed

1000 RPM

Weight

60 kg

Dimensions

506 mm

Power

51.8 HP

Flow (US)

15.1 GPM

Pressure

35 MPa

Pressure

5075 PSI

Datasheet Content

WK355




TECHNICAL INFORMATION
Flow (L/min)                        57
Flow (US Gpm)                       15,1
Rotation regime (rpm)               1000
Pressure (MPa)                      35
Pressure (bar)                      350
Pressure (psi)                      5075
Power (hp)                          51,8
Power (kW)                          38,1
Overall dimensions L x l x h (mm)   506x367x265,5
Weight (kg)                         60




WK355                                               3/21/2026   Page 1 - 6
Copyright INTERPUMP GROUP S.P.A
WK355

     Documents

Male shaft (key) - GAS




WK355                             3/21/2026   Page 2 - 6
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS




WK355                                 3/21/2026   Page 3 - 6
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS

Pos.      Code          Description                  Qty Notes
KIT2155   34215501                                   1
KIT2154   34215401                                   1
KIT2135   34213501                                   1
KIT2027   34202701                                   1
KIT2026   34202601                                   1
KIT2023   34202301                                   1
KIT2022   34202201                                   1
75        36210151                                   3
72        99199400                                   6
71        90352800      O-RING D. 29.00x1.50 NBR 70SH 3


70        71050866                                   3
69        71225851                                   6
68        71225951      PLUG CAP                     3
67        90911000                                   3
66        90924000                                   3
66        90922200      UPPER HALF CONROD BUSHING 3
                        +0.5 (BIG END) S.70

66        90922100      UPPER HALF CONROD BUSHING 3
                        +0.25 (BIG END) S.70

65        90924300                                   3
65        90922500      LOWER HALF CONROD BUSHING 3
                        +0.50 (BIG END) S.70

65        90922400      LOWER HALF CONROD BUSHING 3
                        +0.25 (BIG END) S.70

64        71223074      STAFFA DI SOLLEVAMENTO       1
63        99426600      VITE TE M12X25-UNI5739 ZINC. 1


62        71030701                                   3
60        90387800                                   6
59        36713801                                   3
58        36713901                                   3
57        98197200      PLUG G1/8X8 S.S.             3
56        90357600                                   3
55        36204266                                   3
54        90517700                                   3
53        94739700                                   3
52        90386600                                   6
51        90517900                                   6
50        71211566                                   3
49        90514500                                   3




WK355                                                            3/21/2026   Page 4 - 6
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS

Pos.   Code             Description                 Qty Notes

48     90385100                                     3
47     36204366                                     3
46     36217666                                     3
46     36203966                                     3
45     94740100                                     3
44     36213805                                     6
43     71211070                                     3
42     90522000                                     3
41     99485000         SCREW M14X40 UNI5931 12.9   8
                        DACR.
40     71210036                                     1
39     99448000                                     8
38     71120136                                     1
37     70100151                                     3
36     90272500         PACKING 22x35               3
35     90273000         RESTOP RING D.22 TYPE 6/1   3


34     90387500                                     3
33     71215170                                     3
32     90271300                                     3
31     71217270                                     3
30     90079700                                     3
29     71219566                                     3
28     90367100                                     3
27     70040109                                     3
26     96714000                                     3
25     90167800                                     3
24     97743000                                     3
23     71050715                                     3
22     90060600                                     6
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




WK355                                                           3/21/2026   Page 5 - 6
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS

Pos.   Code             Description                Qty Notes

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      71220381         SHIM 0.25 MM.              1
4      71220081         SHIM 0.1 MM.               1
3      90391800                                    2
2      91859000                                    2
1      71010022                                    1




WK355                                                          3/21/2026   Page 6 - 6
Copyright INTERPUMP GROUP S.P.A

Technical Documents

(1)

Technical Data Sheet

PDF Document

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Interpump Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Interpump PUMP WK355 R is a high-pressure industrial pump delivering 57 L/min at 350 bar (35 MPa) with a rated power of 38.1 kW (51.8 hp) at 1000 rpm. Weighing 60 kg and dimensioned at 506 mm overall length, this pump is engineered for demanding industrial applications across Singapore and Southeast Asia. 3G Electric supplies the WK355 R as an authorised Interpump distributor with full DDP logistics support.

Frequently Asked Questions

What is the Interpump PUMP WK355 R used for?

The Interpump PUMP WK355 R is a high-pressure industrial pump used for demanding applications such as hydrodemolition, water jet cutting, and pressure washing in Singapore and Southeast Asia. It delivers 57 L/min at 350 bar (35 MPa) and is built for continuous heavy-duty operation.

What are the specifications of the Interpump PUMP WK355 R?

The Interpump PUMP WK355 R delivers 57 L/min at 350 bar (35 MPa) with a rated power of 38.1 kW (51.8 hp) at 1000 rpm. It weighs 60 kg and has overall dimensions of 506 mm x 367 mm x 265.5 mm. The pump features a male shaft (key) connection and is designed for high-pressure industrial use.

Where to buy the Interpump PUMP WK355 R in Singapore?

3G Electric is an authorised Interpump distributor and supplies the PUMP WK355 R to Singapore. We handle full DDP logistics, including customs clearance and delivery to your site. Contact us for pricing and lead time on this high-pressure industrial pump.

How to install the Interpump PUMP WK355 R?

Install the Interpump PUMP WK355 R on a rigid, level foundation and align the shaft with the driver per Interpump's manual. Use the provided lifting bracket (pos. 64) for handling. Ensure proper inlet filtration and prime the pump before startup. Always follow the manufacturer's installation instructions for safe operation.

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 WK355 parts list — 15 parts, 15 available in catalog

Official Parts List

WK355 — Male shaft (key) - GAS exploded diagram

Individual Components

PosCodeDescriptionQty

SHIM 0.25 MM.

71220381×1Available

Interpump PUMP WK355 R

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

Recommended Spare Parts

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