Interpump PUMP W4021 DX
The Interpump W4021 DX is an industrial positive-displacement pump rated for 400 bar (5800 psi) high-pressure applications, delivering 21 L/min flow at 1450 rpm. With 16.17 kW power input and compact dimensions, it…
SKU 3G-ITP-01750
Also listed as: W04021000 · W04021 000
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
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Product Description
The Interpump W4021 DX is an industrial positive-displacement pump rated for 400 bar (5800 psi) high-pressure applications, delivering 21 L/min flow at 1450 rpm. With 16.17 kW power input and compact dimensions, it suits demanding hydraulic and pressure-washing systems.
Frequently Asked Questions
What is the Interpump W4021 DX pump used for?
The Interpump W4021 DX is a positive-displacement pump designed for high-pressure industrial applications up to 400 bar. It is commonly used in hydraulic systems, pressure-washing equipment, and water-jet cutting where reliable, high-pressure fluid delivery is required.
What are the specifications of the Interpump W4021 DX?
The Interpump W4021 DX delivers 21 L/min flow at 1450 rpm, with a maximum pressure of 400 bar (5800 psi). It requires 16.17 kW (22 hp) power input and weighs 19.5 kg. Overall dimensions are 351.5 mm in length, with a male shaft key configuration.
Where to buy the Interpump W4021 DX in Singapore?
3G Electric sources and delivers the Interpump W4021 DX to Singapore. We handle logistics, customs clearance, and local delivery, providing technical support for industrial pump applications. Contact us for pricing and lead time on this high-pressure pump.
How to maintain the Interpump W4021 DX pump?
Regular maintenance includes checking oil level via the sight glass, inspecting seals and packing kits (e.g., KIT71, KIT7), and replacing worn pistons or valves. Always follow Interpump's guidelines for torque specs and use genuine spare parts to ensure reliable operation at 400 bar.
Used in
Common applications for InterpumpSpare Parts & Repair Kits
Official W4021 parts list — 158 parts, 54 available in catalog
Repair Kits — Order These for Routine Maintenance
Individual Components
Need multiple parts? Request a bundled quote
54 parts available in our catalog — get a single quote with volume pricing
Official W4021 parts list — Industrial Pumps (66 Series)
Recommended Spare Parts
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.
