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Open-circuit piston pumps

March 9, 2010
Edited by Alan Hitchcox A hydromechanical torque control option has been added to 420 open-circuit piston pumps. They automatically sense heavy loads and adjust hydraulic flow accordingly. Redesigned pump housing decreases airborne noise to ...

Edited by Alan Hitchcox

A hydromechanical torque control option has been added to 420 open-circuit piston pumps. They automatically sense heavy loads and adjust hydraulic flow accordingly. Redesigned pump housing decreases airborne noise to 76 dBA at 1800 rpm and 207 bar. Case-to-inlet check valve improves cold weather operation and provides added protection to seals and rotating group. Torque control works in parallel with standard compensator, using a special mechanism to replace the control piston.

Eaton Corp., Hydraulics Group, (952) 294-7992, www.eaton.com/hydraulics

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