... Ball ValvesNo.PartMaterial1BallA351-CF8, CF8M, CF3, CF3M, Duplex2BodyA216-WCB A352-LCB A351-CF8, CF8M, CF3, CF3M, Duplex3StemASTM A105+ENP A182-F6 ... PEEK PPL12GasketStainless Steel+Graphite S.S.316+Graphite13BonnetA216-WCB A352-LCB A351-CF8, CF8M, CF3, CF3M, Duplex14StudASTM A193-B7, B7M, B8 ...