... 3)Working pressure: max1000WOG 4)ISO9001,CE 1/2" 1000WOG 3PC Stainless Steel Ball Valve NPT Threaded ... 1/4”, 3/8”, 1/2”, 3/4”, 1”, 1 1/4”, 1 1/2”, 2”,2 1/2” ,3” ,4”5) Working ... :CERTIFICATES:---------------------------1-Piece Stainless Steel Floating Ball Valve,2-Piece Stainless Steel Floating Ball Valve,3-Piece ... Ball Valve,1-Piece carbon steel ball valve,2-Piece carbon steel ball valve,3-Piece carbon ...