permanent magnet variable frequency silent booster pump

304 stainless steel body, with high performance, high efficiency, no leakage, and strong corrosion resistance. Stainless steel impeller, water – cooled, 800 silicon steel sheets.High – precision pressure sensor, explosion – proof motor, stainless steel high – strength screw, high – strength water inlet and outlet flange, fully sealed.Five – way valve, water – cut power – off, water shortage and high water pressure double protection, automatic start and stop, intelligent control. Permanent magnet brushless, large flow and high lift.Suitable for: water supply, water drainage, aeration, car washing, no rust, no water seepage, never freeze.Insulation protection, overload protection, no energy consumption.