Trunnion Ball ValveHuachao Valve Manufacturer of Trunnion Ball Valve from Wenzhou ,Website: ,Trunnion Ball Valves are suitable for use on various kinds of pipelines of class 150 ~ class 2500, PN16 ~ PN 160, JIS 10K ~ JIS 20 K to cut off or turn on the pipeline medium, they are designed in accordance with API 6D featuring 2PC or 3PC split body side entry or top entry design. All valves are equipped with devices for urgent grease injection. When the O ring of stem or body seat ring is damaged, the medium leakage between body and stem can be prevented by injecting the sealing grease through the device. Each seat of the ball valve can separately cut off the medium at both inlet and outlet of the valve to realize double-block functions.Hot tags: Trunnion Ball Valve, China, mill, manufacturer, supplier, factory, wholesale, cheap Cast Trunnion Ball ValveAll Cast Trunnion Ball Valve manufactured by huachao are with high quality castings and fire safe design meets the requirement of API 607, API 6FA, BS6755 and JB/T 6899. The ball is fired but free to turn: with standard features Fire safe anti-static and stem blow-out proof.Feature:Size: 1/2’’ ~ 24’’, DN15 ~ DN600 Material: WCB, CF3, CF3M, CF8, CF8M, S31803, S32750Ball: AS customer’s requirementPort: Full Port or Reduce BoreTwo type and three type valvePressure rating: PN16 ~ PN160, Class150 ~ Class900 Standard: ANSI C507, API 607, API 608, API 6D, API 6FA, ASME B16.34, BS 5351, BS 6364, BS 6755, ISO 5211, JB/T 6899, MSS SP-72, BFCI 70-2Temperature: -196℃ ~ 540℃Seat material: PTFE, RPTFE, NYLON, DEVLON, PEEK, PPL, Metal hard seatThe seat structure: * single sealing system, since the pressure relief valve Connection: Butt welding, Flange RF, Flange RTJDrive device: handle, Worm Wheel, electric, PneumaticUrgent grease injection deviceOptional locking device or stem extentionDouble block and bleed