Guangdong MKS Hydraulic Co., Ltd.
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F12-090 Hydraulic Open circuit motors_Parker Axial piston fixed High pressure motor
Selfpriming speed and required inlet pressure
Series F12 When operating the F12 as a pump (with L or R valve plate) above the selfpriming speed, the inlet must be pressurized. Increased noise and deteriorating performance may otherwise be experienced. Diagrams 2 and 3 shows required pump inlet pressure vs. shaft speed. The F12 motor (type M valve plate) sometimes operates as a pump e.g. when used in a propel transmission and the vehicle is going downhill. Minimum required inlet pressure versus shaft speed is shown in the diagrams. The inlet pressure can be charged by external pump, pressurized reservoir or using BLA Boost unit. Find more info about the BLA unit at page 84.
