InterpumpPumps & Compressors

Interpump PUMP WS 171 L

The Interpump WS 171 L is a compact industrial pump delivering 13 L/min at 170 bar, powered by a 4.04 kW motor operating at 1450 rpm. Its robust pressure rating makes it suitable for high-pressure hydraulic…

SKU 3G-ITP-01904

Also listed as: WS0171S000 · WS0171S 000

Brand

Interpump

Item

PUMP WS 171 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

13 L/min

Pressure

170 bar

Power

4.04 kW

Speed

1450 RPM

Weight

14.5 kg

Dimensions

317.5 mm

Power

5.5 HP

Flow (US)

3.43 GPM

Pressure

17 MPa

Pressure

2465 PSI

Datasheet Content

E3B1713




TECHNICAL INFORMATION
Flow (L/min)                        13
Flow (US Gpm)                       3,43
Rotation regime (rpm)               1450
Pressure (MPa)                      17
Pressure (bar)                      170
Pressure (psi)                      2465
Power (hp)                          5,7
Power (kW)                          4,19
Overall dimensions L x l x h (mm)   265x223x140
Weight (kg)                         9,5




E3B1713                                           3/21/2026   Page 1 - 8
Copyright INTERPUMP GROUP S.P.A
E3B1713

     Documents

Male shaft (key)

Pump head with VH integrated valve




E3B1713                              3/21/2026   Page 2 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)




E3B1713                           3/21/2026   Page 3 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)

Pos.     Code           Description                   Qty Notes
KIT290   34029001       KIT 290 CPL.SEAL D.20 59 SER. 1

KIT285   34028501       KIT 285 PACKING D.20 59       1
                        SERIES
KIT271   34027101       KIT 271 OIL SEAL D.15         1
                        58/59 SERIES

KIT270   34027001       KIT 270 VALVE PLUGS 58        1
                        SERIES
KIT269   34026901       KIT 269 INTAKE/DELIVERY       1
                        VALVES
63       50200074       PUMP FOOT                     2
62       96701600       WASHER 8,4                    4
61       99303700       SCREW M 8x16-5739             4
60       91489200       KEY 8(h9)X7X35 UNI 6604/A     1


59       90164800       OIL SEAL 30x55x7              1
58       47151022       OPEN SIDE COVER (47-66)       1
57       90358500       O-RING 10,82X1,78 (2043)      1
56       98204250       PLUG G1/4"x12                 1
55       59160022       REAR CRANKCASE COVER          1
54       90392200       O-RING D.133.02X 2,62(3525)   1


53       98211300       ASTA LIVELLO OLIO G3/8x54 D.4 1


52       97567800       SHIM D.74,5X104X0,1           1
52       97568000       SHIM D.74.5X104X0.3           1
51       90391300       O-RING 67,95X2,62 (3268)      2
50       91837500       TAPER BEARING                 2
49       99303900       SCREW M 8x16 UNI 5931         12
48       90075600       CIRCLIP D.45 (ZJ45)           1
47       59020335       CRANKSHAFT C.10               1
46       70211801       OIL SIGHT GLASS               1
45       90387700       O-RING 39,34X2,62 (3156)      1
44       47151222       SIDE CRANKCASE COVER FOR      1
                        OIL GAUGE
43       99309900       SCREW M 8x35 UNI 5931         6
42       59030001       CONNECTING ROD COMPLETE       3
41       97739900       GUDGEON PIN D.14X34           3
40       59050066       PISTON GUIDE                  3
39       90156550       OIL SEAL D.15X24X5/7          3
38       58210451       PROTECTION                    1
37       59010022       PUMP CRANKCASE                1
36       59211082       SPONGE GASKET D.3X103         1
35       96699000       WASHER D.7.5X23X0.5           3




E3B1713                                                           3/21/2026   Page 4 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)

Pos.   Code             Description                   Qty Notes

34     96751400         WASHER 21,5X27X1,5            1
33     98217600         PLUG G1/2X10                  1
32     96738000         WASHER 17,5X23X1,5            1
31     98210000         PLUG G3/8X13                  1
30     59210870         RING FOR SEAL D.20            3
29     90269000         PACKING D.20X28X6.5 LP (66)   3


27     90361200         O-RING 31,47X1,78 (2125)      3
26     59606101         PACKING RETAINER+SLEEVE       3
                        D.20
25     90513400         ANTI-EXTRUSION RING           3
                        D.20X30X2
24     90269100         PACKING D.20X30X6/3.7 H.P.    3
                        66 SERIES
23     66100751         HEAD RING D.20 H.P.           3
22     99317700         VITE M08x60 5931 12.9         8
                        G321A+M
21     98213700         VALVE CAP M18X1,5X10          3
20     90359300         O-RING 15,60X1,78 (2062)      3
19     98196600         PLUG G1/8X8                   1
18     36719301         OUTLET VALVE                  3
17     36211151         VALVE CAGE                    3
16     94733300         SPRING D.6.2x10.5 S.S.        3
15     36211276         SPHERICAL VALVE               3
14     36211366         VALVE SEAT                    3
13     90367400         O-RING D. 12X2 (120-20)       3
12     59040009         PISTON D. 20X42               3
11     96690500         WASHER D.5X11.5x0.4           3
                        INOX+FKM58/59/63HT
10     99169000         SCREW M05X55 SPEC. A2-70      3
9      98222600         VALVE CAP M24X1,5X17          3
8      90384700         O-RING 20,29X2,62(3081)       3
7      36711501         INTAKE/DELIVERY VALVE         3
6      90384100         O-RING 17,12X2,62 (3068)      3
5      36200366         VALVE SEAT                    3
4      36200176         VALVE PLATE                   3
3      94737600         SPRING D. 9,4X14,8            3
2      36202551         VALVE CAGE                    3
1      59120341         MANIFOLD FOR PISTON D.20      1




E3B1713                                                           3/21/2026   Page 5 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Pump head with VH integrated valve




E3B1713                                           3/21/2026   Page 6 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Pump head with VH integrated valve

Pos.     Code           Description                  Qty Notes
KIT280   34028001       KIT 280 FIXED CHEM.INJECTOR 1
                        58-59
KIT279   34027901       KIT 279 ADJUSTABLE CHEM. INJ. 1
                        58-59
KIT278   34027801       KIT 278 BUILT-IN VALVE 58-59 1


47       36605401       H REG.VALVE ASSY.            1
46       59120841       MANIFOLD D.20 W/VALVE        1
45       36349270       CHEM. HOSE BARB FITTING      1
44       36348451       DETERGENT KNOB               1
43       97661500       ELASTIC PIN D. 2X12          1
42       36334270       SHUTTER WITH HOSE FITTING    1


41       94733400       SPRING D.6.4X12.5            1
40       36348270       CHEM. HOSE BARB FITTING      1
39       90357300       O-RING D. 5,28X1,78 (2021)   2


38       97478200       BALL 7/32(5,556) STAINLESS   1


37       94821700       TAPER SPRING D.4,3X7,3X11    1


36       10079866       INJECTOR NOZZLE D.2.20       1
                        ORANGE
36       10079566       NOZZLE D. 2.00               1
35       92982800       WING NUT G3/4                1
34       36256951       INLET HOSE BARB FITTING (PL.) 1


33       90382800       O-RING 12,37X2,62 (3050)     1
32       92892500       FILTER D. 12X35              1
31       36318251       INLET NIPPLE G 3/4           1
30       90384100       O-RING 17,12X2,62 (3068)     1
29       98204100       PLUG G1/4X9                  1
28       90358500       O-RING 10,82X1,78 (2043)     1
27       36348870       NIPPLE D.3 M22X1.5 M         1
27       36348970       NIPPLE D.3 G3/8F             1
27       36347970       NIPPLE D.3 G3/8M             1
27       36348770       NIPPLE D.3 3/8NPT M          1
27       36349070       NIPPLE D.3 3/8NPT F          1
26       90383900       O-RING 15,88X2,62 (121)      1
25       36310451       VALVE GUIDE                  1
24       94735500       SPRING D. 8,5X12             1
23       97483800       BALL 13/32 (10,319)          1
22       90382300       O-RING 9,92X2,62 (112)       1
21       36348366       REG. VALVE SEAT              1
20       90357800       O-RING 7,66X1,78 (2031)      1




E3B1713                                                          3/21/2026   Page 7 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Pump head with VH integrated valve

Pos.   Code             Description                  Qty Notes

19     90503800         ANTI-EXTR.RING D.9X12X1.5    1


18     90358100         O-RING 8,73X1,78 - (108)     1
17     90358700         O-RING D. 11,11X1,78 (114)   1


15     36347770         MAX.PRESSURE NUT             1
14     99126700         SCREW M4X5 UNI5929 S.S.      1
6      94739500         SPRING D.11,3x34,5           1
5      36348651         SLIDE WASHER                 2
4      36348170         PRESSURE ADJUST SCREW        1
3      90384500         O-RING 18,72X2,6 (3075)      1
2      10084666         REGULATION KNOB YOKE         1
1      36350651         REGULATION KNOB - RED S.     1
                        53-58-59




E3B1713                                                          3/21/2026   Page 8 - 8
Copyright INTERPUMP GROUP S.P.A

Technical Documents

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Technical Data Sheet

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Interpump Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the Interpump WS 171 L pump used for?

The Interpump WS 171 L is a compact industrial pump designed for high-pressure hydraulic applications and mobile equipment systems. It delivers 13 L/min at 170 bar, making it suitable for tasks requiring reliable pressure in industrial cleaning, hydraulic power units, and similar demanding environments.

What are the specifications of the Interpump WS 171 L?

The Interpump WS 171 L pump delivers 13 L/min flow at 170 bar pressure, with a rotation regime of 1450 rpm. It has a power rating of 4.19 kW (5.7 hp) and weighs 9.5 kg. Overall dimensions are 265x223x140 mm. The pump features a male shaft with key and a pump head with VH integrated valve.

Where to buy the Interpump WS 171 L in Singapore?

3G Electric supplies the Interpump WS 171 L pump to Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact our team for pricing and lead time on this high-pressure industrial pump. We source genuine Interpump components for reliable performance.

How to maintain the Interpump WS 171 L pump?

Regular maintenance of the Interpump WS 171 L includes checking oil level via the sight glass and replacing oil seals and packings as needed. The datasheet lists service kits such as KIT 290 (seal) and KIT 285 (packing). Always use genuine Interpump parts and follow the manufacturer's service intervals for optimal performance.

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

Interpump Products

3G Electric supplies Interpump pumps & compressors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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