Piston Pump is available in various displacement ranges.

Press Release Summary:

PVWH open loop, axial piston pump comes in 10 sizes and has 5,000 psi maximum pressure. Featuring 11 types of controls, pump allows field interchangeability without disconnecting from drive or system piping. Working with steel shoes, sealed front shaft bearings, and saddle, unit is capable of operating with special fluids. Pump includes hardened cylinder surface running on hardened valve plate for contamination resistance.

Original Press Release:

Oilgear's PVWH Pump Delivers High Pressure in 10 Different Sizes

(June 5, 2006; Milwaukee, Wisconsin) The Oilgear Company's PVWH open loop, axial piston pump provides low horsepower for high performance applications. Available in 10 different sizes and reaching a maximum pressure of 5000 psi, the extensive range of displacements offered allows users to select the size to precisely match specific design requirements and applications.

Competitively priced and featuring 11 types of controls, the PVWH pump allows for field interchangeability without disconnecting from the drive or system piping. With improved control performance, the PVWH pump utilizes Oilgear's industry experience in the use of infinite life sleeve bearings that run on wet film. Pressure lubrication to these bearings assures smooth control performance with better compensating stability, reliability and repeatability. A special hardening process is also applied to the control bores to maximize cycling capabilities and increase the lifecycle of the control.

Providing greater resistance to contamination, the PVWH pump utilizes Oilgear's revolutionary "hard-on-hard" rotating group - a hardened cylinder surface running on a hardened valve plate. Working together with steel shoes equipped with specially treated faces, sealed front shaft bearings, and saddle with special polymerous bearings, the pump is capable of operating with special fluids. This upgraded technology allows the PVWH pumps to work better in systems that require continued shifting under constant high pressures.

Other main features of the PVWH pump include:
Rugged cylinder design
Valve plate ported rear or top and bottom
Quiet valve plate - all sizes are below 80 dBa at all pressures
SAE heavy duty shaft
High strength thru-shaft availability
Up to 3000 rpm
Maximum pressure of 5800 psi
Theoretical maximum displacements ranging from 0.66 in³/rev (10,8 ml/rev) to 7.94
in³/rev (130,2 ml/rev)

Since 1921, Oilgear has been a leading global supplier of advanced engineered hydraulic equipment and fluid power systems for a variety of mobile and industrial applications. Every product is shipped with Oilgear's Performance Assurance commitment to stay with the product's installation until the equipment performs as specified.

For more information, please contact:
John Brossard
The Oilgear Company
Milwaukee, WI 53234

2300 So. 51st Street
Post Office Box 343924
Milwaukee, WI 53234-3924
Telephone: 414/327-1700
Fax: 414/327-0532
Website: www.oilgear.com

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