WCB series portable gear pump is a kind of low-pressure miniature portable energy-saving oil pump, which can be started by 220V voltage, small in size and light in weight, and equipped with a handle, which is convenient for the user to move in the hand. It has the features of easy maintenance, reliable performance, long service life, simple appearance, advanced structure and reasonable use. Adopting international standard, it can convey the medium which does not contain solid particles and the temperature is not higher than 80℃.