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.