Trunnion Ball Valves Fully Welded Body

Trunnion ball valves have the obturator bounded by trunnions which do not allow axial displacements of the ball itself in the flow direction; line pressure compresses the seat onto the ball, the contact between surfaces generates the valve sealing; trunnion standard construction ensure automatic cavity relief in case of overpressure in body cavity; these valves can be selected for a wide range of applications with no specific limits to sizes and pressures. Fully welded constructions, both flanged or with welded ends, are a preferable solution when no maintenance is required on above ground or below ground (buried) installations and allows a real 0 leakage feature.

Applicable Standards
  • API 6D

    Specification for Pipeline and Piping Valves

  • API 6A

    Specification for Wellhead and Tree Equipment Twen...

  • ASME B16.34

    Valves--Flanged, Threaded, and Welding End...

  • ISO 10423

    Petroleum and natural gas industries — Drilling and production equipment — Wellhead and tree equipment

  • API 6DSS

    Specification on Subsea Pipeline Valves

  • ISO 14313

    Oil and gas industries including lower carbon energy — Pipeline transportation systems — Pipeline valves

  • ISO 17292

    Metal ball valves for petroleum, petrochemical and allied industries

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