... use,lock handle is available. one piece ball valve(1 pc ball valve,ball valve,ss ball valve) 1),Size:1/4"-------4"2 ... ),Suitable medium:water,oil,air and some corrosive liquid5),Temperature range:-20-3506),Design and manufacture:BS 5351 API 6D7),Inspecion ... ),Connection:threaded(NPT,BSPT,PT)9),Operation:manual one piece ball valve(1 pc ball valve,ball valve,ss ball valve)