... &1/2"-8" Material:SS304,SS316 Stainless Steel SMS Butterfly Valve With Threaded End Technical Data Standard3A,DIN,IDF,SMS etc.SizeDN15 ... ,fully precision machined by CNC machine. GasketsSilicone,EPDM,TelfonConnectionWelding, clamp, thread and flangeHandle Manual, 2/3/4-position pulling handle, multi ... -158 6776 7980Fax: 86-0577-86828444 Stainless Steel SMS Butterfly Valve With Threaded End