... Size: 1/4" - 4",DN8- DN100 2)Material:ASTM A351-CF8,CF8M,SS316,SS304,A216-WCB ... 1/4”, 3/8”, 1/2”, 3/4”, 1”, 1 1/4”, 1 1/2”, 2”,2 1/2” ,3” ,4”5) Working ... TESTING:Certificates:---------------------------1-Piece Stainless Steel Floating Ball Valve,2-Piece Stainless Steel Floating Ball Valve,3-Piece ... Floating Ball Valve,1-Piece carbon steel ball valve,2-Piece carbon steel ball valve,3-Piece carbon ...