Pneumatic Trunnion Casting Ball Valve 1.Materail Cast Material: WCB, CF8, CF8M, CF8C, Duplex Stainless Steel, etc. Forged Material: A105, F304, F316, F317, F347, F11, F51, F59, ETC. Other Materials available upon Request, available in Various Trim and Seat (Resilient and Metal) Materials To Suit Different Service Conditions. 2.  Available Operation Normal Handle or Lockable Handle […]