stainless steel pumps with open impeller, the max. dia. of particle could reach 19mm BK series stainless steel centrifugal pumps with semi-open impeller, max. solid 19mm, produced by advanced stamping and welding technology, the pump body, impeller and shaft are made of SUS304 or SUS316, with features of exchangeable components, stable quality, small size, light weight, corrosion resisting, high ...