QR4 Series

 QR4 Series 
Displacement cc/rev: 16 - 60
Gear Type: Spur Gear
Max PSI / BAR: 4060 / 280 BAR
RPM: 450 - 3000

Enquire about a QR4 Gear Pump

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The QR4 series is a cast iron, high pressure gear pump with advanced spur gears and low noise levels

Free Technical Downloads

PDF_LogoHydreco Q Series Pump Data Sheet

Specific to QR4 Series (Pages 8 – 15)



+ Product Overview

Hydreco QR4 gear pumps are built from cast iron and steel gears to ensure a high quality and long lasting spur gear pump.

This pump is suited to you if you’re limited on space, due to its compact size.

The advanced gears of the QR4 series make it a low noise gear pump and a very high efficient product due to being up to 98% volumetric at 250 BAR / 3625 PSI.

The QR4 series can be supplied with one shaft and shared inlet ports for multiple pumps.

The QR4 series can be built and matched to your specific requirements, through a wide range of drives, mountings and porting.

Compatible with a wide range of fluids.

If you require spare parts for the QR4 series such as; seal kits, drive shafts, individual pump section. We can supply these with a fast turnaround from our stock.

+ Our Service to you

If you require this product in an emergency, due to a break down or your customer requires it urgently. We can supply the pump to you with a 24 / 48 hour turnaround, as we build the QR4 series from our stock.

To ensure the QR4 pump is of highest quality and in working order for you. We machine, build and test the product on site before dispatch.

We also supply the product with a 12 month warranty. In the event your product breaks down within the first 12 months, please CONTACT US so we can discuss your warranty rights with you.

+ Applications

With the features and performance of the QR4 series, this makes the pump suitable for a wide range of rigorous mobile applications.

Many customers of ours use the QR4 in a range of different OEM machinery.

+ Hydreco QR Series Codes

Hydreco Pump Coding


+ QR4 Series At a Glance Ratings

QR4 At a Glance Ratings

+ QR Operating Parameters

QR Operating Parameters

+ QR Inlet Conditions

QR Inlet Conditions

+ QR4 Pump Performance

QR4 Pump Performance

+ QR4 Pump Efficiency

QR4 Pump Efficiency

+ QR4 Shaft Seals, Drive Shafts, Mounting & Porting Options

Please click the link below, to view all available options and data (including dimensions) for the QR4 shaft seals, drive shafts, mounting and porting options.

PDF_LogoQR4 Shaft Seals, Drive Shafts, Mounting, Porting options

(Opens in Separate Window)