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Interpump PUMP WS251 R ATEX - Pumps & Compressors
InterpumpPumps & Compressors

Interpump PUMP WS251 R ATEX

The Interpump WS251 R ATEX is an industrial pump delivering 15 L/min at 250 bar, rated for 7.35 kW power input at 1450 rpm. Designed for hazardous-area applications requiring ATEX compliance, it suits high-pressure…

SKU 3G-ITP-01947

Also listed as: WS0251EX000 · WS0251EX 000

Brand
Interpump
Item
PUMP WS251 R ATEX
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
Available to Order
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Technical specs
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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
Power
10 HP
Flow (US)
3.96 GPM
Pressure
25 MPa
Pressure
3625 PSI
View Full Spec Sheet

Technical Documents

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

Product Description

The Interpump WS251 R ATEX is an industrial pump delivering 15 L/min at 250 bar, rated for 7.35 kW power input at 1450 rpm. Designed for hazardous-area applications requiring ATEX compliance, it suits high-pressure fluid transfer in regulated environments.

Frequently Asked Questions

What is the Interpump WS251 R ATEX pump used for?

The Interpump WS251 R ATEX is an industrial pump designed for hazardous-area applications requiring ATEX compliance. It delivers high-pressure fluid transfer at 250 bar and 15 L/min, making it suitable for regulated environments such as chemical processing, oil and gas, and industrial cleaning where explosion-proof equipment is mandatory.

What are the specifications of the Interpump WS251 R ATEX pump?

The Interpump WS251 R ATEX pump delivers 15 L/min at 250 bar (3625 psi) with a power input of 7.35 kW (10 hp) at 1450 rpm. It weighs 14.5 kg and has overall dimensions of 317.5 x 236 x 180 mm. The pump features a male shaft key design and is ATEX-certified for hazardous environments.

Where to buy the Interpump WS251 R ATEX pump in Singapore?

You can source the Interpump WS251 R ATEX pump through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this ATEX-compliant industrial pump for hazardous-area applications.

How to install the Interpump WS251 R ATEX pump?

Install the Interpump WS251 R ATEX pump on a stable foundation, align the shaft coupling, and ensure proper lubrication with the recommended oil. Follow the manufacturer's manual for torque specifications on bolts and seals. For ATEX compliance, verify grounding and use explosion-proof electrical connections as per local regulations.

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
View
KIT3
KIT 3 OIL SEAL D.30X55X7
34000301×1Available
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 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
View
15
TAPER BEARING 32206 SKF
91837800×2Available
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

62 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 WS251 parts listIndustrial Pumps (Series 53 E1)

Recommended Spare Parts

MANIFOLD WS251

Spare Parts

MANIFOLD WS251

47121741

O-RING 17,12X2,62 (3068)

Spare Parts

O-RING 17,12X2,62 (3068)

90384100

Spare Parts

SPRING D. 9,4X14,8

94737600

PLUG G3/8X13

Accessories

PLUG G3/8X13

98210000

Accessories

SCREW M 8x16 UNI 5931

99303900

Accessories

PLUG M24x1,5x17,5

98222800

VALVE CAGE

Valves

VALVE CAGE

36200251

Valves

VALVE SEAT

36200366

Spare Parts

CLOSED SIDE COVER (47-66)

47151122

KIT 1 INTAKE/DELIVERY VALVE

Spare Parts

KIT 1 INTAKE/DELIVERY VALVE

34000101

Spare Parts

KIT 7 HEAD RING D.20

34000701

HEX-HEAD SCREW M08X70 UNI5737 10.9 Fe/Zn5c1A+De

Accessories

HEX-HEAD SCREW M08X70 UNI5737 10.9 Fe/Zn5c1A+De

99320600

View full cross-reference for Interpump 3G-ITP-01947

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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