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Interpump PUMP W956 R WITH VALVE - Pumps & Compressors
InterpumpPumps & Compressors

Interpump PUMP W956 R WITH VALVE

Interpump W956 R is an industrial pump with integrated valve for high-pressure hydraulic applications. It delivers 13.6 L/min flow at 145 bar maximum pressure, with 3.67 kW power input at 1750 rpm, making it suitable…

SKU 3G-ITP-01592

Also listed as: W00956V000 · W00956V 000

Brand
Interpump
Item
PUMP W956 R WITH VALVE
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
Available to Order
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Datasheet on Request
Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Interpump
Flow Rate
13.6 L/min
Pressure
145 bar
Power
3.67 kW
Speed
1750 RPM
Weight
7.7 kg
Dimensions
225 mm
Power
5 HP
Flow (US)
3.6 GPM
Pressure
14.5 MPa
Pressure
2100 PSI

Datasheet Content

E2C2016 TECHNICAL INFORMATION Flow (L/min) 16 Flow (US Gpm) 4,22 Rotation regime (rpm) 1750 Pressure (MPa) 20 Pressure (bar) 200 Pressure (psi) 2900 Power (hp) 8,3 Power (kW) 6,1 Overall dimensions L x l x h (mm) 241,5x215x129,5 Weight (kg) 7 E2C2016 3/21/2026 Page 1 - 14 Copyright INTERPUMP GROUP S.P.A E2C2016 Documents Male shaft (key) Hollow shaft (key) Ø15,9 - vers. I Hy-Pack version - GAS + gear motor 14cc Pump head with VH integrated valve E2C2016 3/21/2026 Page 2 - 14 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) E2C2016 3/21/2026 Page 3 - 14 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) Pos. Code Description Qty Notes KIT277 34027701 KIT 277 CPL.SEAL D.18 58 SERIE 1 KIT274 34027401 KIT 274 PACKING D.18 58 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 61 58150122 COPERCHIO LATERALE 1 60 90067100 CIRCLIP ZJ30 1 59 90385900 O-RING 25,07X2,62 (3100) 1 58 50200074 PUMP FOOT 2 57 96701600 WASHER 8,4 4 56 99303700 SCREW M 8x16-5739 4 55 98196600 PLUG G1/8X8 1 54 90358500 O-RING 10,82X1,78 (2043) 1 53 98204250 PLUG G1/4"x12 1 52 58160022 REAR CRANKCASE COVER 1 51 90392550 O-RING D.113.97X2.62 1 50 98210500 OIL DIPSTICK G3/8x51 D.7 1 49 91489200 KEY 8(h9)X7X35 UNI 6604/A 1 48 90164100 OIL SEAL D.25X62X10 1 47 90389800 O-RING 56,82X2,62 (3225) 1 46 91833100 BALL BEARING 6305 SKF 2 45 63021635 CRANKSHAFT C.12 1 44 53210851 OIL LEVEL GAUGE 1 43 99183700 SCREW M 6x14 UNI 5931 8 42 90063500 CIRCLIP D. 25 UNI 7435 1 41 58030022 CONNECTING ROD 3 40 97734000 CONNECTING-ROD PIN 3 D.10X29,5 39 58050066 PISTON GUIDE 3 38 90156550 OIL SEAL D.15X24X5/7 3 37 58210451 PROTECTION 1 36 58010022 PUMP CRANKCASE 1 35 58210582 SPONGE GASKET D.3X94 1 34 96699000 WASHER D.7.5X23X0.5 3 33 96751400 WASHER 21,5X27X1,5 1 32 98217600 PLUG G1/2X10 1 31 96738000 WASHER 17,5X23X1,5 1 E2C2016 3/21/2026 Page 4 - 14 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) Pos. Code Description Qty Notes 30 98210000 PLUG G3/8X13 1 29 58210870 RING FOR SEAL D.18 3 28 90265000 SEAL D. 18X24X5 L.P. 3 26 90360600 O-RING 26,70X1,78 (2106) 3 25 58605801 PACKING RETAINER+SLEEVE 3 D.18 24 90511150 ANTI-EXTR. RING D.18X28X2 3 23 90265350 PACKING D.18X28X6/3.7 HP 3 22 63101151 HEAD RING D.18 H.P. 3 21 99317500 SCREW M 8x60 UNI 5931 8 20 98213700 VALVE CAP M18X1,5X10 3 19 90359300 O-RING 15,60X1,78 (2062) 3 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 58040209 PISTON D.18X42 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 58120241 MANIFOLD FOR PISTON D.18 1 E2C2016 3/21/2026 Page 5 - 14 Copyright INTERPUMP GROUP S.P.A Illustration Hollow shaft (key) Ø15,9 - vers. I E2C2016 3/21/2026 Page 6 - 14 Copyright INTERPUMP GROUP S.P.A Illustration Hollow shaft (key) Ø15,9 - vers. I Pos. Code Description Qty Notes KIT277 34027701 KIT 277 CPL.SEAL D.18 58 SERIE 1 KIT274 34027401 KIT 274 PACKING D.18 58 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 64 98196600 PLUG G1/8X8 1 63 91468500 KEY 4/4.8X18 1 62 90389800 O-RING 56,82X2,62 (3225) 1 61 90067100 CIRCLIP ZJ30 1 60 90385900 O-RING 25,07X2,62 (3100) 1 59 10076322 FLANGE SAE A-2 HOLES 51-60-631 SERIES 58 96710300 WASHER D. 10,2X16X1.5 4 57 99368600 SCREW M10X30 4 56 96693800 WASHER 6,4X10X0,7 4 55 99186700 SCREW M 6x18 UNI 5931 4 54 91837100 BALL BEARING SPEC. 1 53 90358500 O-RING 10,82X1,78 (2043) 1 52 98204250 PLUG G1/4"x12 1 51 58160022 REAR CRANKCASE COVER 1 50 90392550 O-RING D.113.97X2.62 1 49 98210500 OIL DIPSTICK G3/8x51 D.7 1 48 99179000 SCREW M6X6 UNI 5929 12.9 1 47 90165100 ANELLO RAD. 30.0x62.0x10.0 1 46 91833100 BALL BEARING 6305 SKF 1 45 63023765 CRANKSHAFT C.12.5 1 D5/8"HOLLOW 44 53210851 OIL LEVEL GAUGE 1 43 99183700 SCREW M 6x14 UNI 5931 8 42 58150122 COPERCHIO LATERALE 1 41 58030022 CONNECTING ROD 3 40 97734000 CONNECTING-ROD PIN 3 D.10X29,5 39 58050066 PISTON GUIDE 3 38 90156550 OIL SEAL D.15X24X5/7 3 37 58210451 PROTECTION 1 35 58210582 SPONGE GASKET D.3X94 1 34 96699000 WASHER D.7.5X23X0.5 3 E2C2016 3/21/2026 Page 7 - 14 Copyright INTERPUMP GROUP S.P.A Illustration Hollow shaft (key) Ø15,9 - vers. I Pos. Code Description Qty Notes 33 96751400 WASHER 21,5X27X1,5 1 32 98217600 PLUG G1/2X10 1 31 96738000 WASHER 17,5X23X1,5 1 30 98210000 PLUG G3/8X13 1 29 58210870 RING FOR SEAL D.18 3 28 90265000 SEAL D. 18X24X5 L.P. 3 27 58010022 PUMP CRANKCASE 1 26 90360600 O-RING 26,70X1,78 (2106) 3 25 58605801 PACKING RETAINER+SLEEVE 3 D.18 24 90511150 ANTI-EXTR. RING D.18X28X2 3 23 90265350 PACKING D.18X28X6/3.7 HP 3 22 63101151 HEAD RING D.18 H.P. 3 21 99317500 SCREW M 8x60 UNI 5931 8 20 98213700 VALVE CAP M18X1,5X10 3 19 90359300 O-RING 15,60X1,78 (2062) 3 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 58040209 PISTON D.18X42 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 58120241 MANIFOLD FOR PISTON D.18 1 E2C2016 3/21/2026 Page 8 - 14 Copyright INTERPUMP GROUP S.P.A Illustration Hy-Pack version - GAS + gear motor 14cc E2C2016 3/21/2026 Page 9 - 14 Copyright INTERPUMP GROUP S.P.A Illustration Hy-Pack version - GAS + gear motor 14cc Pos. Code Description Qty Notes KIT277 34027701 KIT 277 CPL.SEAL D.18 58 SERIE 1 KIT274 34027401 KIT 274 PACKING D.18 58 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 65 95106000 GEAR MOTOR 014R / S-A CIL / G 1 64 98196600 PLUG G1/8X8 1 63 91468500 KEY 4/4.8X18 1 62 90389800 O-RING 56,82X2,62 (3225) 1 61 90067100 CIRCLIP ZJ30 1 60 90385900 O-RING 25,07X2,62 (3100) 1 59 10076322 FLANGE SAE A-2 HOLES 51-60-631 SERIES 58 96710300 WASHER D. 10,2X16X1.5 4 57 99368600 SCREW M10X30 4 56 96693800 WASHER 6,4X10X0,7 4 55 99186700 SCREW M 6x18 UNI 5931 4 54 91837100 BALL BEARING SPEC. 1 53 90358500 O-RING 10,82X1,78 (2043) 1 52 98204250 PLUG G1/4"x12 1 51 58160022 REAR CRANKCASE COVER 1 50 90392550 O-RING D.113.97X2.62 1 49 98210500 OIL DIPSTICK G3/8x51 D.7 1 48 99179000 SCREW M6X6 UNI 5929 12.9 1 47 90165100 ANELLO RAD. 30.0x62.0x10.0 1 46 91833100 BALL BEARING 6305 SKF 1 45 63023765 CRANKSHAFT C.12.5 1 D5/8"HOLLOW 44 53210851 OIL LEVEL GAUGE 1 43 99183700 SCREW M 6x14 UNI 5931 8 42 58150122 COPERCHIO LATERALE…
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Interpump Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Interpump W956 R is an industrial pump with integrated valve for high-pressure hydraulic applications. It delivers 13.6 L/min flow at 145 bar maximum pressure, with 3.67 kW power input at 1750 rpm, making it suitable for compact systems requiring reliable pressure control.

Frequently Asked Questions

Where can I buy the Interpump W956 R pump with valve?

3G Electric is an authorised distributor of Interpump hydraulic pumps worldwide. We source the W956 R and handle logistics, customs clearance, and delivery to your facility. Lead time on request.

What is the maximum pressure and flow rate of the W956 R?

The Interpump W956 R delivers 13.6 L/min (3.6 US GPM) at a maximum pressure of 145 bar (14.5 MPa / 2100 psi). It operates at 1750 rpm with 3.67 kW power input.

Is the W956 R suitable for compact hydraulic systems?

Yes. The W956 R integrates a pressure control valve and weighs only 7.7 kg, making it ideal for space-constrained applications. Its 225 mm footprint supports reliable compact system designs requiring high-pressure control.

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 W956 parts list228 parts, 61 available in catalog

Official Parts List
W956 — Male shaft (key) exploded diagram

Repair Kits — Order These for Routine Maintenance

KIT23
KIT 23 OIL SEAL D.20X30X5
34002301×1Available
View
KIT123
KIT 123 INTAKE/DELIVERY VALVE
34012301×1Available
View
KIT124
KIT 124 VALVE CAPS
34012401×1Available
View
KIT126
KIT 126 PACKING RETAINER D.18
34012601×1Available
View
KIT127
KIT 127 PACKING D. 18
34012701×1Available
View
KIT128
KIT 128 INTERMEDIATE RING D.18
34012801×1Available
View
KIT129
KIT 129 HEAD RING D.18
34012901×1Available
View
KIT131
KIT 131 CPL.SEAL PIST. D. 18
34013101×1Available
View

Individual Components

PosCodeDescriptionQty
1
MANIFOLD W956
44120441×1Available
View
2
SCREW M 8x60 UNI 5931
99317500×8Available
View
4
O-RING 17,12X2,62 (3068)
90384100×6Available
View
5
VALVE SEAT
36200366×6Available
View
6
VALVE PLATE
36200176×6Available
View
7
SPRING D. 9,4X14,8
94737600×6Available
View
8
VALVE CAGE
36202551×6Available
View
9
O-RING 20,29X2,62(3081)
90384700×6Available
View
10
VALVE CAP M24X1,5X17
98222600×6Available
View
11
INTAKE/DELIVERY VALVE
36711501×6Available
View
12
SCREW M 6x12 UNI 5739
99180700×8Available
View
13
CRANKCASE COVER
50150074×1Available
View
14
OIL LEVEL GAUGE
53210851×1Available
View
15
O-RING 56,82X2,62 (3225)
90389800×1Available
View
16
BALL BEARING 6305 SKF
91833100×2Available
View
17
OIL SEAL 20x30x5
90161400×3Available
View
18
CRANKCASE
44010022×1Available
View
19
OIL DIP-STICK G3/8X51
98210300×1Available
View
20
CRANKSHAFT C.11 (D.24)
44020335×1Available
View
21
KEY 8(h9)X7X35 UNI 6604/A
91489200×1Available
View

Need multiple parts? Request a bundled quote

61 parts available in our catalog — get a single quote with volume pricing

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Official W956 parts listIndustrial Pumps (Series 44)

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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