one-piece ball valve(ball valve,sanitary ball valve) 1.size:1/2",3/4",1",1 1/4",1 1/2",2",2 1/2",3",4", 2 ... .mat'l:304.316.316l Stainless Steel One-Piece Ball Valve(ball valve,sanitary ball valve)size:1/2",3/4",1",1 1/4",1 1 ... /2",2",2 1/2",3",4",mat'l ...