WCB Series Gear Pumps is a portable gear pump, it is easy ... with low pressure. Gear Pump, Gear Oil Pump, Oil PumpWCB series Gear Oil pump is a kind of low-pressure, energy ... (transfer/min)Power (Kw)Inlet and Outlet Caliber(mm)Voltage (V)Materials WCB-30 30 0.3 30 2800 0.37 ...