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Interpump PUMP W3021 R DOUBLE SHAFT - Pumps & Compressors
InterpumpPumps & Compressors

Interpump PUMP W3021 R DOUBLE SHAFT

The Interpump W3021 R is a double-shaft industrial pump delivering 21 L/min at 300 bar, rated 11.76 kW at 1450 rpm. Compact at 340.5 mm length, it serves high-pressure hydraulic and fluid transfer applications…

SKU 3G-ITP-01706

Also listed as: W03021050 · W03021 050

Brand
Interpump
Item
PUMP W3021 R DOUBLE SHAFT
Part Number
W03021-050
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
Available to Order
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Technical specs
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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
21 L/min
Pressure
300 bar
Power
11.76 kW
Speed
1450 RPM
Weight
18.5 kg
Dimensions
340.5 mm
Manufacturer Part Number
W3021
Power
16 HP
Flow (US)
5.54 GPM
Pressure
30 MPa
Pressure
4350 PSI

Technical Documents

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

Product Description

The Interpump W3021 R is a double-shaft industrial pump delivering 21 L/min at 300 bar, rated 11.76 kW at 1450 rpm. Compact at 340.5 mm length, it serves high-pressure hydraulic and fluid transfer applications requiring reliable dual-shaft configuration.

Frequently Asked Questions

What is the Interpump W3021 R double-shaft pump used for?

The Interpump W3021 R is a double-shaft industrial pump used for high-pressure hydraulic and fluid transfer applications. It delivers 21 L/min at 300 bar and is rated at 11.76 kW at 1450 rpm, making it suitable for demanding industrial systems requiring a reliable dual-shaft configuration.

What are the specifications of the Interpump W3021 R pump?

The Interpump W3021 R pump delivers 21 L/min flow at 300 bar pressure, with a power rating of 11.76 kW (16 hp) at 1450 rpm. It weighs 18.5 kg and has overall dimensions of 340.5 mm x 242.5 mm x 189.5 mm. The pump features a double male shaft with key.

Where to buy the Interpump W3021 R pump in Singapore?

You can source the Interpump W3021 R double-shaft pump in Singapore through 3G Electric. We handle logistics, customs clearance, and delivery to your facility. Contact our team for pricing and lead time on this Interpump model, which is built for high-pressure industrial applications.

How to maintain the Interpump W3021 R pump?

Regular maintenance of the Interpump W3021 R includes checking oil seals (part numbers 34000301 and 34000201) and replacing seal kits as needed. Monitor oil level via the sight glass and dip-stick. Ensure the pump operates at the rated 1450 rpm and 300 bar to avoid overloading. Always use genuine Interpump spare parts.

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 W3021 parts list161 parts, 55 available in catalog

Official Parts List
W3021 — Male shaft (key) exploded diagram

Repair Kits — Order These for Routine Maintenance

KIT2
KIT 2 OIL SEAL D. 22X32X5,5
34000201×1Available
KIT3
KIT 3 OIL SEAL D.30X55X7
34000301×1Available
View
KIT169
KIT 169 INTAKE/DEL.VALVE (66)
34016901×1Available
View
KIT176
KIT176 COMPLETE SEALS D.18
34017601×1Available
View
KIT180
KIT 180 SEALS D. 18
34018001×1Available
View

Individual Components

PosCodeDescriptionQty
1
PUMP MANIFOLD D.18 LP W3021
66124541×1Available
View
2
SCREW M10X90 UNI 5931 8.8
99380100×8Available
3
O-RING 23,81X2,62 (132)
90385700×12Available
4
VALVE SEAT
36203366×6Available
View
5
SPHERICAL VALVE
36203476×6Available
6
SPRING Dm. 10x18.5
94738800×6Available
7
VALVE CAGE
36203551×6Available
View
8
ANTI-EXTR.RING D.24.7x29x1.5
90516500×6Available
View
9
VALVE CAP M32x1.5x29.5
66130041×6Available
View
10
INTAKE/DEL.VALVE ASSY(66)
36712701×6Available
View
11
SCREW M 8x16 UNI 5931
99303900×8Available
View
12
View
13
O-RING 67,95X2,62 (3268)
90391300×2Available
14
O-RING 39,34X2,62 (3156)
90387700×1Available
View
15
OIL SIGHT GLASS
70211801×1Available
View
16
CIRCLIP D.45 (ZJ45)
90075600×1Available
View
17
ROLLER BEARING NJ2206EC
91838000×2Available
18
CRANKCASE
66010022×1Available
View
19
OIL DIP-STICK G3/8X80
98210600×1Available
View
20
CRANKSHAFT C.19 - D. 24
66020035×1Available
View

Need multiple parts? Request a bundled quote

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Official W3021 parts listIndustrial Pumps (Series 47)

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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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