1) Thread Butterfly valve with Union 2) Material quality: SS304, SS316, SS316L 3) Standard:3A, SMS, DIN Thread ... , clamp/clamp, welded/male, male/flangeSize: DN20-DN150, 1"-6"Material: SS304, SS304L, SS316, SS316LHandle: stainless steel handle with gripper bar ... butterfly valve, 3-piece butterfly valve Thread Butterfly valve with Union