... for gasoline,diesel,kerosene,and lubricated oil transfer, with high flow,high suction. Screw Gear Pump, Screw Pump, Gear PumpYCB Series screw gear ... lubricated oil etc. with advantage of compact size,high flow rate,big delivery head, low noise and high suction vacuum. The pump ... is equipped with relief valve.It is an ideal pump for tax fuel vehicles, oil tank trucks ...