WBZS stainless steel self priming centrifugalpump with self priming function, no need bottomvalve and watering The pump impeller adopts a semi-open structurethe connection between the pump and the motorThere are two ways: direct connection and brackettype, mechanical seals are made of specialmaterial single-end seal,anti-corrosion andcorrosion resistance; pump into the water withthread and flange for users to choose,The fixed sealing seal is made of high quality “Oshaped fluoro rubber sealing ring for staticsealing with the characterize of good self priming, easyinstallation,and stable performance