... gasoline,diesel,kerosene,and lubricated oil transfer, with high flow,high suction. Screw Gear Pump, Screw Pump, Gear Pump YCB Series screw gear pumps ... 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 ...