Description
Size Range
6” – 48” (DN150mm – 1200mm)
Pressure Rating
Pressure Ratings ANSI Classes:150- 1500
Bore
Full Port (Through conduit, full round opening)
End Connections
Flanged, welded or flange x weld
Materials
Forged or wrought Carbon steels and low temperature carbon steels, with options for weld overlay and epoxy / phenolic lining, stainless steels, and Ferralium.
Gate, Seat Rings & Stems
Electroless Nickel Coated Carbon Steels with options for weld overlay, stainless steels, or hard facing (Tungsten Carbide or Stellite)
Seals
Specially compounded Nitrile synthetic rubber, Nylon PA12G, with options for Viton and HNBR
Applications
Flowlines, manifolds, pipeline transmission and distribution, metering runs, underground storage, hot tapping, water flood and general pipeline service.
Standard Features
- 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.
OPTIONS
- Secondary seat seal.
- Emergency sealant injection (seat and stem seals).
- Extended blow down valves.
- Stem extensions for operating underground.
- Transition Pieces.
