Wartsila, Gate Valves Through Conduit
Wartsila, Gate Valves Through Conduit

Wartsila, Gate Valves Through Conduit

A valve world-renowned for excellent design, high quality and reliability. The C-G4 Through Conduit Gate Valves are available in a range of sizes and pressure ratings. The unique fabricated body of the C-G4 Through Conduit Gate Valve offers maximum strength whilst reducing the overall size and weight. This results in a much lighter, compact designed pipeline gate valve.

Size Range

 6” – 48” / DN150 – DN1200

Pressure Rating

ANSI 150 up to 1500


 Carbon Steel, Stainless Steel & Ferralium®


Bore Sizes

150mm (6”) to 1200mm (48”)

Pressure Class

ANSI CLASS 150 / 300 / 400 / 600 / 900 and 1500


Flowlines, manifolds, pipeline transmission and distribution, metering runs, underground storage, hot tapping, waterflood and general pipeline service.


Gate Valves Through Conduit
Gate Valves Through Conduit
  • Designed and manufactured to API 6D.
  • All internal components can be replaced without removing the valve from the line.
  • Bubble-tight sealing from zero to full rated pressure.
  • Stem Protector.
  • Life lubricated bearings – no routine maintenance.
  • Floating parallel sided gate can’t stick, wedge or gall.
  • Floating spring loaded seats always in contact with the gate.
  • Self-cleaning gate.
  • Piggable.
  • Metal-to-metal primary seal – protected ‘O’ ring secondary seal.
  • Upstream and downstream sealing under all operating conditions – full block and bleed capability.
  • Suited for services requiring block and bleed or double block and bleed.
  • Body cavity is isolated from the valve conduit when the valve is fully open or fully closed. This allows the body to be vented to atmosphere or drained with the valve under pressure.

    Gate Valves Through Conduit
    Gate Valves Through Conduit


  • Secondary seat seal.
  • Emergency sealant injection (seat and stem seals).
  • Extended blow down valves.
  • Stem extensions for operating underground.
  • Transition Pieces.


Read more : Wartsila, Butterfly Valves for Marine; Wartsila, Globe Valves for Marine; Wartsila, Ball Valve, Trunnion Mounted for PipelineWartsila, Actuated Valve SolutionsWartsila, Marine High Resolution Radar; Marine High Resolution Radar


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