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Aluminium Group 2 size gear pumps from 4.5 cc to 40.5 cc/rev

Gear pumps HPLPA2 with optional relief or priority valve integrated in the rear cover.

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Buying new units has never been easier. Contact your sales team on +44 (0) 1235 522828 with all your order and technical enquiries. Alternatively email We are always here to help.

Priority Valve Operating Principle

The pump with priority valve allows a constant oil flow PF irrespective of the variation in pressure and speed of the pump. The excess flow EF, depending on the rotation speed, may be discharged into the suction pump or sent to the auxiliaries. The circuit to which the priority flow PF is sent has priority over the secondary circuit which receives only the excess flow EF. All ports may be pressurised.