Interpump PUMP W956 R W/VALVE NO INJ. K-UNLOADER M22
The Interpump W956 R is an industrial pump with integral K-unloader valve, delivering 13.6 L/min at 145 bar for high-pressure applications. Operating at 1750 rpm with 3.67 kW power input, it serves hydraulic systems…
SKU 3G-ITP-01587
Also listed as: W00956N050 · W00956N 050
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 W956 R is an industrial pump with integral K-unloader valve, delivering 13.6 L/min at 145 bar for high-pressure applications. Operating at 1750 rpm with 3.67 kW power input, it serves hydraulic systems requiring compact, reliable pressure management.
Frequently Asked Questions
What is the Interpump W956 R pump used for?
The Interpump W956 R is an industrial pump designed for high-pressure applications such as hydraulic systems, pressure testing, and water jetting. It delivers 13.6 L/min at 145 bar and includes an integral K-unloader valve for reliable pressure management in compact installations.
What are the specifications of the Interpump W956 R pump?
The Interpump W956 R pump operates at 1750 rpm, with a flow rate of 13.6 L/min (3.6 US GPM) and a maximum pressure of 145 bar (2100 psi). It requires 3.67 kW (5 hp) input power, weighs 7.7 kg, and measures 225 mm in length. The pump features a K-unloader valve with M22 connections.
Where to buy the Interpump W956 R pump in Singapore?
You can order the Interpump W956 R pump from 3G Electric, a Singapore-based industrial equipment supplier. We source this genuine Interpump pump and handle all logistics, customs clearance, and delivery to your facility in Singapore. Contact us for current lead times and pricing.
How to install the Interpump W956 R pump?
Install the Interpump W956 R pump on a rigid, level base using the four M8 mounting holes. Connect the inlet to a filtered water supply and the outlet to your system using the M22 unloader valve. Ensure the pump is primed before starting, and follow Interpump's manual for torque specifications on the valve plugs and seals.
Used in
Common applications for InterpumpSpare Parts & Repair Kits
Official W956 parts list — 228 parts, 61 available in catalog

Repair Kits — Order These for Routine Maintenance
Individual Components
Need multiple parts? Request a bundled quote
61 parts available in our catalog — get a single quote with volume pricing
Official W956 parts list — Industrial Pumps (Series 44)
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.
