... 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 ... :API598,API6D8),Connection:threaded(NPT,BSPT,PT)9),Operation:manual one piece ball valve(1 pc ball valve,ball valve,ss ball ...