1.A high-speed, self-absorption Strong, long-life, high volume efficiency, 2.Which is used in the dump truck, mining machinery Bypass high-pressure oil pumpDQCB-H532-PT MODELS Displacementml/rPressureMpa)Rotate speed(R/min) volumetric efficiency ΦDRatedmaximumMinimumRatedmaximumfuel inletfuel dischargeDQCB-H550-PT50 20 25 600 2000 3000 ≥92 30 25DQCB-H563-PT63DQCB-H580-PT80DQCB-H5100-PT100