Hydraulic systems & components


Heavy-duty pumps have long service life

First Quarter 2008 Hydraulic systems & components

The PGP/PGM 300 series pumps and motors from Commercial Shearing utilise a cast iron bushing design and offer high performance and reliability in heavy-duty hydraulic applications. The three-piece cast iron construction has large area, low friction bushings which provide strength, high efficiency, and long service life in severe operating environments. The design includes an advanced thrust plate and seal configuration, which optimises performance even in high temperature and low viscosity conditions.

The PGP300 series pumps are available in single, multiple, piggyback and thru-drive assembly configurations. Multiple pumps reduce mounting costs and allow for a small package size and common inlet capabilities. Assemblies of up to six pumping sections are available. Piggyback pumps allow the combination of pump sections of different frame size to use a common inlet in tandem configuration. The through-drive feature allows an independent gear pump to be mounted to a rear SAE drive pad. Multiple section motors are also available providing enhanced torque and speed control as well as smooth torque ripple.

Relief valve, priority valve, load-sense unloading, and other integrated or bolt-on valve options are also available.



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