stainless steel size: 1/8"-4" pressure test:API 598 material: CF8M/1.4408, CF8/1.4308 2 ... to customers requirements.Our main products are ball valves,mini valve, check valves, globe valves, gate valves, strainers, sanitary ... valve & fitting, quick couplings such as type A,B,C,D, ... , BS, JIS, GB standards an so on. 2 pieces ball valve