... :2004, and TS certificates. 2. design & Manufacture:floating ball valves mainly apply to the industries of nature gas, oil ... sealing and long stable operation of this series of ball valve. It has the merits of sealing reliability, long ... Part Material Name:Body: WCB LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3M, CF8C,Ball:A105,13CR,2CR13,F304 ... , PEEK, nylon, RPTFE big sizes flanged cast steel ball valve