one piece ball valve high quality but competitive price,easy to istall,safe and convenient to use,lock handle is available. one piece ball valve(1 pc ball valve,ball valve,ss ball valve) 1),Size:1/4"-------4"2),Material:stainless steel 304,316(CF8,CF8M)3),Pressure:1000WOG,2000WOG4),Suitable medium:water,oil,air and some corrosive liquid5),Temperature range:-20-3506),Design and manufacture:BS 5351 ...