... ,diesel,kerosene,and lubricated oil transfer, with high flow,high suction. Screw Gear Pump, Screw Pump, Gear Pump YCB Series screw ... of compact size,high flow rate,big delivery head, low noise and high suction vacuum. The pump is equipped with relief valve ... 2" 3" Flow Rate 300L/Min 1000L/Min Delivery Head 30M 60M Suction Head 5M 7M Rated Speed 700-1250RPM Working Pressure 0 ...