... , DIN, ISO,SMS 3.Stainless steel Butterfly valve 1.Type:Stainless steel Butterfly valve 2.Material :stainless steel (304 ... .Application : For use in the petroleum, smelting , foodstuff ,power, papermaking, chemical, medical equipment , aviation, boiler heat exchanger ... ,cross,reducer ,union,ferrule adaptor,caps,clamp ...... Valves:butterfly valve,ball valve,check valve ...... Pumps:centrifugal pump,self ...