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Interpump PUMP WS251 L U.S. W/O RAILS - Pumps & Compressors
InterpumpPumps & Compressors

Interpump PUMP WS251 L U.S. W/O RAILS

The Interpump WS251 L is a compact industrial pump delivering 15 L/min at 250 bar, rated for 7.35 kW power and 1450 rpm operation. Weighing 14.5 kg, it suits high-pressure hydraulic and industrial fluid-transfer…

SKU 3G-ITP-01949

Also listed as: WS0251S0U100 · WS0251S0U 100

Brand
Interpump
Item
PUMP WS251 L U.S. W/O RAILS
Part Number
WS0251S0U-100
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
Available to Order
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Authorized Distributor
Direct from OEM
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
250 bar
Power
7.35 kW
Speed
1450 RPM
Weight
14.5 kg
Dimensions
317.5 mm
Manufacturer Part Number
WS251
Power
10 HP
Flow (US)
3.96 GPM
Pressure
25 MPa
Pressure
3625 PSI

Technical Documents

(1)
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Interpump Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Interpump WS251 L is a compact industrial pump delivering 15 L/min at 250 bar, rated for 7.35 kW power and 1450 rpm operation. Weighing 14.5 kg, it suits high-pressure hydraulic and industrial fluid-transfer applications requiring reliable, space-efficient performance.

Frequently Asked Questions

Where can I buy the Interpump WS251 L pump worldwide?

Order the Interpump WS251 L from 3G Electric, an authorized industrial equipment distributor. We handle worldwide delivery, logistics, and customs clearance. Contact our sales team for availability and lead times.

What is the flow rate and pressure rating of the WS251 L?

The Interpump WS251 L delivers 15 L/min (3.96 US gpm) at a maximum pressure of 250 bar (25 MPa / 3625 psi). It operates at 1450 rpm with a power rating of 7.35 kW (10 hp).

What applications suit the Interpump WS251 L pump?

The WS251 L is designed for high-pressure hydraulic and industrial fluid-transfer applications requiring compact, space-efficient performance. Its 14.5 kg weight and 250 bar rating make it ideal for mobile equipment and fixed industrial systems.

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 WS251 parts list128 parts, 62 available in catalog

Official Parts List
WS251 — 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
KIT3
KIT 3 OIL SEAL D.30X55X7
34000301×1Available
View
KIT6
KIT 6 PISTON BOLT
34000601×1Available
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
KIT71
KIT 71 INTERMEDIATE RING D.20
34007101×1Available
View

Individual Components

PosCodeDescriptionQty
1
MANIFOLD WS251
47121741×1Available
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
PLUG M24x1,5x17,5
98222800×6Available
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
15
TAPER BEARING 32206 SKF
91837800×2Available
View
16
OIL SEAL 22x32x5
90162500×3Available
View
17
BUSHING 22X25X30
90912600×3Available
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

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

Request Bundle Quote
Genuine manufacturer parts Expert technical support Worldwide shipping

Official WS251 parts listIndustrial Pumps (Series 53 E1)

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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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