... Head upto 25m BB series stainless steel centrifugal pumps with closed impeller, produced by advanced stamping and welding technology ... shaft are made of SUS304 or SUS316, with features of exchangeable components, stable quality, small size, light weight, corrosion resisting, ... pole induction motor, aluminum alloy motor case, single phase with thermal protector, Class F or B, Protection IP54, Continuous ...