WQ900 series, group II, gear pump

Super quiet, low pulsation pump from

The WQ900 series pump pressure pulsation minimized to 25%.
The size of pressure pulsation from the pumps is reflected in the low pump noise level.

Setting a new standard for noise reduction on hydraulic pumps. Developed on the principle for double flank engagement, also used in the Calma gear pump design.
Designed for applications where low noise and/or low pressure pulsation is required, eg Electric Counterbalance Forklift Trucks, Reach Trucks, etc.


WQ900 series options:
• SAE mounting flange, through bolt model.
• Rectangular flanges.
• Splined, tapered or straight shaft with key, tang
  shaft.
• Thread ports or flange ports.
• Clockwise or anti-clockwise rotation.
• Integrated valve features.
• Single inlet for multiple units.

The Haldex WQ900 series gear pumps come in single or multiple configuration of up to four sections.
The basic pump is of a three piece modular design. Mounting flange and rear cover are of cast iron.
The pump body is manufactured from high strength aluminium alloy.
For optimum strength, gears and shafts are precision machined in one piece.
The 13-tooth gear geometry has been optimized for low noise level.
All shaft bearing surfaces are Teflon® coated and designed for long service life.
They are continually cooled and lubricated by a controlled flow of fresh oil. This enables operation across a wide speed range at very high loads.

Multiple pumps in the WQ900 series gear pump range are very compact.
The drive shaft is capable of transmitting high torque even to the rear section.
Each section has its own inlet and pressure ports.
Single inlet features are optional for 2 and 3 section unit.
A wide range of mounting flanges and port sizes are available to meet international standards.
WP900 & WQ900 pdf


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& unification of industrial standards


  
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E. & O. E., Disclaimer: Information throughout this web-site relevant to design, materials and/or specifications are subject to change without notice and liability therefore.