1.To adopt balanced hydraulic for the struction of intra-vane and ten-vane design,higher pressure,top to 21Mpa.
2.To adopt floating structure for side plate,it will do a compensation for end-face clearance by automatic,so that even the pump under high pressure it can maintain a high volumetric efficiency.
3.The side plate is made of dual-meterial,it improved the seizure resistence,and so that the life of pump will be longer
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