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Interpump PUMP WS151 R MAX. TEMP. 85^C W/O RAILS - Pumps & Compressors
InterpumpPumps & Compressors

Interpump PUMP WS151 R MAX. TEMP. 85^C W/O RAILS

The Interpump WS151 R is an industrial pump rated for a maximum temperature of 85°C, delivering 15 L/min flow at 150 bar (2175 psi) and operating at 1450 RPM. It is powered by a 5.5 HP (4.04 kW) motor, weighs 14.5…

SKU 3G-ITP-01866

Also listed as: WS0151AC100 · WS0151AC 100

Brand
Interpump
Item
PUMP WS151 R MAX. TEMP. 85^C W/O RAILS
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
Available to Order
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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
15 L/min
Pressure
150 bar
Power
4.04 kW
Speed
1450 RPM
Weight
14.5 kg
Dimensions
317.5 mm
Power
5.5 HP
Flow (US)
3.96 GPM
Pressure
15 MPa
Pressure
2175 PSI

Datasheet Content

WS151 TECHNICAL INFORMATION Flow (L/min) 15 Flow (US Gpm) 3,96 Rotation regime (rpm) 1450 Pressure (MPa) 15 Pressure (bar) 150 Pressure (psi) 2175 Power (hp) 5,5 Power (kW) 4,04 Overall dimensions L x l x h (mm) 317,5x236x180 Weight (kg) 14,5 WS151 3/21/2026 Page 1 - 8 Copyright INTERPUMP GROUP S.P.A WS151 Documents Male shaft (key) Male shaft (key) - vers. ATEX WS151 3/21/2026 Page 2 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) WS151 3/21/2026 Page 3 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) Pos. Code Description Qty Notes KIT71 34007101 KIT 71 INTERMEDIATE RING 1 D.20 KIT7 34000701 KIT 7 HEAD RING D.20 1 KIT69 34006901 KIT 69 PACKING D.20 W/RESTOP 1 KIT6 34000601 KIT 6 PISTON BOLT 1 KIT4 34000401 KIT 4 INTAKE/DEL. VALVE CAPS 1 KIT3 34000301 KIT 3 OIL SEAL D.30X55X7 1 KIT28 34002801 KIT 28 COMPL.SEAL FOR 1 PIST.D20 KIT2 34000201 KIT 2 OIL SEAL D. 22X32X5,5 1 KIT10 34001001 KIT 10 PACKING RETAINER D.20 1 KIT1 34000101 KIT 1 INTAKE/DELIVERY VALVE 1 56 90271000 PACKING D.20X35X9 L.P. 3 54 96738000 WASHER 17,5X23X1,5 1 53 98210000 PLUG G3/8X13 1 52 96751400 WASHER 21,5X27X1,5 1 51 98217600 PLUG G1/2X10 1 50 96710600 WASHER 10,2 4 49 99364400 SCREW M 10x18-5931 4 48 47200074 PUMP FOOT 2 47 90270400 RESTOP RING D. 20 TYPE 6/1 3 46 47216970 INTERM.RING D. 20 (SPEC.) 3 45 47100051 HEAD RING D. 20 3 44 90270500 PACKING 20x35x7,5 3 43 47080570 PACKING RETAINER D. 20x35 3 42 90361600 O-RING 34,65X1,78 (2137) 3 41 90164800 OIL SEAL 30x55x7 1 40 97568000 SHIM D.74.5X104X0.3 1 40 97567800 SHIM D.74,5X104X0,1 1 39 47151022 OPEN SIDE COVER (47-66) 1 38 47219566 PISTON SCREW 3 37 96728000 WASHER 14X18,5X0,5 3 36 90506700 ANTI-EXTRUSION RING 3 35 47040409 PISTON D. 20x50 3 34 96728600 WASHER 14X28X0,5 3 32 99309900 SCREW M 8x35 UNI 5931 6 31 90358500 O-RING 10,82X1,78 (2043) 4 WS151 3/21/2026 Page 4 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) Pos. Code Description Qty Notes 30 98204250 PLUG G1/4"x12 1 29 47221301 OIL SIGHT GLASS ASSY G3/4 1 28 47160622 CRANKCASE COVER 1 27 99188400 SCREW M 6x20 UNI 5931 5 26 47030001 CONNECTING ROD 3 25 47050466 PISTON GUIDE - S.S. 3 24 97738000 CONNECTING-ROD PIN 3 D.13X35,5 23 91489200 KEY 8(h9)X7X35 UNI 6604/A 1 22 90055700 CIRCLIP D.12 UNI 7435 6 21 47021835 CRANKSHAFT C.12 S.p.f. U.S. 1 20 90392200 O-RING D.133.02X 2,62(3525) 1 19 98210600 OIL DIP-STICK G3/8X80 1 18 47010822 CRANKCASE 1 17 90912600 BUSHING 22X25X30 3 16 90162500 OIL SEAL 22x32x5 3 15 91837500 TAPER BEARING 2 14 90391300 O-RING 67,95X2,62 (3268) 2 13 47151122 CLOSED SIDE COVER (47-66) 1 12 99303900 SCREW M 8x16 UNI 5931 8 11 36703201 VALVE ASSY. 6 10 98222000 CAP M24X2X16 6 9 90384700 O-RING 20,29X2,62(3081) 6 8 36200251 VALVE CAGE 6 7 94737600 SPRING D. 9,4X14,8 6 6 36200176 VALVE PLATE 6 5 36200366 VALVE SEAT 6 4 90384100 O-RING 17,12X2,62 (3068) 6 2 99320600 HEX-HEAD SCREW M08X70 8 UNI5737 10.9 Fe/Zn5c1A+De 1 47120141 MANIFOLD 1 WS151 3/21/2026 Page 5 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) - vers. ATEX WS151 3/21/2026 Page 6 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) - vers. ATEX Pos. Code Description Qty Notes KIT71 34007101 KIT 71 INTERMEDIATE RING 1 D.20 KIT69 34006901 KIT 69 PACKING D.20 W/RESTOP 1 KIT28 34002801 KIT 28 COMPL.SEAL FOR 1 PIST.D20 KIT10 34001001 KIT 10 PACKING RETAINER D.20 1 KIT7 34000701 KIT 7 HEAD RING D.20 1 KIT6 34000601 KIT 6 PISTON BOLT 1 KIT4 34000401 KIT 4 INTAKE/DEL. VALVE CAPS 1 KIT3 34000301 KIT 3 OIL SEAL D.30X55X7 1 KIT2 34000201 KIT 2 OIL SEAL D. 22X32X5,5 1 KIT1 34000101 KIT 1 INTAKE/DELIVERY VALVE 1 62 99180900 SCREW M06X10 5931 A2-70 1 61 96693950 WASHER 6.4x11.0x0.7 D6798A 1 INOX 60 90075500 STOP RING J45 UNI7437 1 59 70211751 1 58 90387700 O-RING 39,34X2,62 (3156) 1 56 90271000 PACKING D.20X35X9 L.P. 3 54 96738000 WASHER 17,5X23X1,5 1 53 98210000 PLUG G3/8X13 1 52 96751400 WASHER 21,5X27X1,5 1 51 98217600 PLUG G1/2X10 1 50 96710600 WASHER 10,2 4 49 99364400 SCREW M 10x18-5931 4 48 47200074 PUMP FOOT 2 47 90270400 RESTOP RING D. 20 TYPE 6/1 3 46 47216970 INTERM.RING D. 20 (SPEC.) 3 45 47100051 HEAD RING D. 20 3 44 90270500 PACKING 20x35x7,5 3 43 47080570 PACKING RETAINER D. 20x35 3 42 90361600 O-RING 34,65X1,78 (2137) 3 41 90164800 OIL SEAL 30x55x7 1 40 97568000 SHIM D.74.5X104X0.3 1 40 97567800 SHIM D.74,5X104X0,1 1 39 47151022 OPEN SIDE COVER (47-66) 1 38 47219566 PISTON SCREW 3 WS151 3/21/2026 Page 7 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) - vers. ATEX Pos. Code Description Qty Notes 37 96728000 WASHER 14X18,5X0,5 3 36 90506700 ANTI-EXTRUSION RING 3 35 47040409 PISTON D. 20x50 3 34 96728600 WASHER 14X28X0,5 3 32 99309900 SCREW M 8x35 UNI 5931 6 31 90358500 O-RING 10,82X1,78 (2043) 4 30 98203600 PLUG G1/4x8 FOR PROBE D.6 1 S.S. 29 47221301 OIL SIGHT GLASS ASSY G3/4 1 28 47160622 CRANKCASE COVER 1 27 99188400 SCREW M 6x20 UNI 5931 5 26 47030001 CONNECTING ROD 3 25 47050466 PISTON GUIDE - S.S. 3 24 97738000 CONNECTING-ROD PIN 3 D.13X35,5 23 91489200 KEY 8(h9)X7X35 UNI 6604/A 1 22 90055700 CIRCLIP D.12 UNI 7435 6 21 47021835 CRANKSHAFT C.12 S.p.f. U.S. 1 20 90392200 O-RING D.133.02X 2,62(3525) 1 19 98210700 OIL DIPSTICK G3/8X64 1 D4+FILTER ATEX 18 47010822 CRANKCASE 1 17 90912600 BUSHING 22X25X30 3 16 90162500 OIL SEAL 22x32x5 3 15 91837500 TAPER BEARING 2 14 90391300 O-RING 67,95X2,62 (3268) 2 13 47151322 SIDE CRANKCASE COVER (ATEX) 1 12 99303900 SCREW M 8x16 UNI 5931 8 11 36703201 VALVE ASSY. 6 10 98222000 CAP M24X2X16 6 9 90384700 O-RING 20,29X2,62(3081) 6 8 36200251 VALVE CAGE 6 7 94737600 SPRING D. 9,4X14,8 6 6 36200176 VALVE PLATE 6 5 36200366 VALVE SEAT 6 4 90384100 O-RING 17,12X2,62 (3068) 6 2 99320600 HEX-HEAD SCREW M08X70 8 UNI5737 10.9 Fe/Zn5c1A+De 1 47120141 MANIFOLD 1 WS151 3/21/2026 Page 8 - 8 Copyright INTERPUMP GROUP S.P.A

Technical Documents

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Interpump Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Interpump WS151 R is an industrial pump rated for a maximum temperature of 85°C, delivering 15 L/min flow at 150 bar (2175 psi) and operating at 1450 RPM. It is powered by a 5.5 HP (4.04 kW) motor, weighs 14.5 kg, and has overall dimensions of 317.5 mm. 3G Electric interprets your demand, sources this pump across 14 industrial departments, and supports it with specialist depth in pumps and controls.

Frequently Asked Questions

Where can I buy the Interpump WS151 pump worldwide?

3G Electric is an authorised Interpump distributor. We source the WS151 R and handle worldwide delivery, customs clearance, and logistics. Lead time on request — contact our team for availability and pricing.

What is the maximum pressure and flow rate of the WS151 R?

The Interpump WS151 R delivers 150 bar (15 MPa / 2175 psi) at 15 L/min (3.96 US gpm). Maximum fluid temperature is 85°C. Power rating: 4.04 kW (5.5 hp) at 1450 rpm.

What are the dimensions and weight of this pump?

The WS151 R (without rails) measures 317.5 mm length and weighs 14.5 kg. It is compact and designed for integration into industrial systems requiring high-pressure performance without mounting frames.

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 WS151 parts list129 parts, 63 available in catalog

Official Parts List
WS151 — Male shaft (key) exploded diagram

Repair Kits — Order These for Routine Maintenance

KIT1
KIT 1 INTAKE/DELIVERY VALVE
34000101×1Available
View
KIT2
KIT 2 OIL SEAL D. 22X32X5,5
34000201×1Available
View
KIT3
KIT 3 OIL SEAL D.30X55X7
34000301×1Available
View
KIT4
KIT 4 INTAKE/DEL. VALVE CAPS
34000401×1Available
View
KIT6
KIT 6 PISTON BOLT
34000601×1Available
View
KIT7
KIT 7 HEAD RING D.20
34000701×1Available
View
KIT10
KIT 10 PACKING RETAINER D.20
34001001×1Available
View
KIT28
KIT 28 COMPL.SEAL FOR PIST.D20
34002801×1Available
View
KIT71
KIT 71 INTERMEDIATE RING D.20
34007101×1Available
View

Individual Components

PosCodeDescriptionQty
1
MANIFOLD WS151
47120141×1Available
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
36200251×6Available
View
9
O-RING 20,29X2,62(3081)
90384700×6Available
View
10
CAP M24X2X16
98222000×6Available
View
11
VALVE ASSY.
36703201×6Available
View
12
SCREW M 8x16 UNI 5931
99303900×8Available
View
13
CLOSED SIDE COVER (47-66)
47151122×1Available
View
14
O-RING 67,95X2,62 (3268)
90391300×2Available
View
15
TAPER BEARING
91837500×2Available
View
16
OIL SEAL 22x32x5
90162500×3Available
View
17
BUSHING 22X25X30
90912600×3Available
View
18
CRANKCASE
47010822×1Available
View
19
OIL DIP-STICK G3/8X80
98210600×1Available
View
20
O-RING D.133.02X 2,62(3525)
90392200×1Available
View
21
CRANKSHAFT C.12 S.p.f. U.S.
47021835×1Available
View

Need multiple parts? Request a bundled quote

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

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Genuine manufacturer parts Expert technical support Worldwide shipping

Official WS151 parts listIndustrial Pumps (Series 47)

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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