Oct 1, 2009 12:00 PM

A 45cc/rev P1/PD Series pump is now available from Parker Hannifin. The variable-displacement, axial piston pump is designed for medium-pressure open-circuit mobile (P1) and industrial (PD) applications.

With the addition of the 45cc displacement to the current family of 60, 75, 100, and 140cc/rev P1/PD models, Parker has a system for most medium-duty applications. The 45cc P1/PD will be available with an optional torque limiter to increase fuel/electricity efficiency by enabling use of a smaller prime mover, thus reducing weight and saving money. An optional full-power through-drive version is offered for applications requiring multiple pumps.

Rated for continuous operation at pressures up to 280 bar, P1/PD Series pumps feature:

• Compact, round housing (smaller and quieter than comparable “flat surface” designs)

• Low flow ripple to further reduce noise

• Simple hydraulic controls with “no leak” adjustments

• Elastomer seals to eliminate gaskets and external leakage

• SAE and ISO standard mounting flanges and ports

• Tapered-roller shaft bearings

• Low friction, hydrostatically balanced swash plate saddle bearings

• Full-power through-drive capability

• End or side inlet and outlet ports

• Case drain ports for horizontal or vertical shaft-up mounting

• Optional maximum and minimum volume stops

• Optional case-to-inlet check valve to extend shaft seal life

Control options include:

• Standard pressure limiter

• Pressure limiter and torque control

• Load sensing with pressure limiter

• Load sensing with pressure limiter and torque control

• Pilot-operated pressure limiter with vent port

• Pilot-operated pressure limiter with ISO4401 interface

For more information about Parker Hannifin P1/PD Series piston pumps, visit www.phpump.com or www.parker.com.

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