Trunnion Mounted Ball Valve Trunnion mounted ball valve is used to industrial pipeline and long-distance transportation pipeline for various corrosive and non-corrosive medium, such as water, steam, oil, gas, liquefied Gas, natural gas, nitric acid, acetic acid, strong oxidizer, urea etc. According to different working conditions, there are two types of valve body structure choices: 2 pieces and 3 pieces split body . Specification: Size:2~56 Pressure Rating: Class150~2500LB Main Materials: WCB, LCC, LCB, WC6, 4A, CF8, CF8M, CF3, CF3M, CF8C, A105, F11, F22, F304, F316, F321 etc. Design and Manufacture: API 6D, API608, ASME B16.34 Face-to-Face:ASME B16.10, API 6D Anti-static: API 6D Ends Connection: Flange, Butt Welding Fire Proof: API 607, SIO 10497 Inspection & Testing: API 598, API 6D Operator: Manual, Worm Gear, Electric, Pneumatic, Manual-Air-Hydraulic. Feature: Double Block & Bleed Cavity Pressure Self Relief Optional Double Piston Design Emergency Sealant Injection Full Bore or Reduce Bore Blow-out Proof Stem