... generate negative pressure and positive pressure, and ensures suction and pressure discharge functions. High pressure plunger pump ... working negative pressure, high volume efficiency, large suction depth, quick loading and unloading speed and large ... mechanic, electric and hydraulic combination.No.ItemUnitValue1Type JHL5051GXW2Chassis type QL10508HARY3Engine powerkw704Overall dimension of truck(L*W*H ...