... convenient to use,lock handle is available. three piece ball valve(3 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 ... (NPT,BSPT,PT)9),Operation:manual three piece ball valve(3 pc ball valve,ball valve,ss ball valve)