1) Material: 304, 316, 316l, WCB, FC 2) Size: 1/2''-10'' note:we have our own foundry Products DescriptionProducts name: ... Gas Ball ValveSize: 1/2’’-10’’Ball Type: Floating BallPort Type: Full BoreMaterial: WCB ... , FC, CF8, CF3, CF8M, CF3M, etc.Ball and Stem: SS304, SS316, ...