Forged & Cast Trunnion Ball Valves

        YONGDUN produces a full line of API-6D Trunnion Mounted Ball valves in both Three-Piece Forged and Two-Piece Cast Design. We offer a full range of materials in carbon, alloy and stainless steel from general to severe in application.


        Trunnion Mounted Ball Valves Specifications

        Size Range: 2" - 48"

        Pressure Class: ASME 150 - 2500

        API: 2000 - 5000

        API Standards: 6D & 6A

        ASME B16.34



        Three-Piece Body Forged

        Two-Piece Body Cast

        Full and Reduced Bore

        Trunnion Mounted

        Double Block and Bleed

        Anti-Blowout Stem

        Anti-Static Device

        Fire Safe to API-607/6FA

        Spring Loaded Seats

        Sealent Injection

        NACE MR-01-75


        If you have questions about our Trunnion Mounted Ball Valves, please contact YONGDUN Valve at 86-013806833332 to speak with our sales department or email us at

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