WCB Series Gear Oil Pumps Oil Pump, Gear Pump, Gear Oil Pump.WCB series Oil Pump is a kind of low-pressure, energy-saving portable ... could also be used to transport oil in oil refineries, power plant, power transformer substations, and oil stock etc.If you want to ... use it to transport lubricant oil, drink or low-corrosion water, Please select Stainless steel Gear pump. As to ...