... to use,lock handle is available. three piece ball valve(3 pc ball valve,ball valve,ss ball valve) 1),Size ... /4"-------4"2),Material:stainless steel 304,316(CF8,CF8M)3),Pressure:1000WOG,2000WOG4),Suitable medium:water,oil,air and some ... test:API598,API6D8),Connection:threaded(NPT,BSPT,PT)9),Operation:manual three piece ball valve(3 pc ball valve,ball valve,ss ...