WCB series magnetic hot oil pump is a low-pressure miniature energy-saving oil pump with the features of small volume, light weight, and convenient operation. This machine has a wide range application for transferring no lubricating, corrosive liquids and little particle liquids. The structure adopts coupling and media isolation design, the coupling gear is made of alloy steel by special hot processing technology, so the surface hardness can be up to HRC60 or more.