... 1) Thread Butterfly valve with Union 2) Material quality: SS304, SS316, SS316L 3) Standard:3A, SMS, DIN Thread Butterfly valve with UnionConnection standard: DIN ... 1"-6"Material: SS304, SS304L, SS316, SS316LHandle: stainless steel handle with gripper bar, gripper handle 12 positionm pull handle 4 positionCertificate ... pneumatic butterfly valve, 3-piece butterfly valve Thread Butterfly valve with Union