Description
Size Range
G5: 6” – 14” / DN 150mm – DN350mm
G9: 16” – 72” / DN 400mm – DN1800mm
Pressure Rating
ANSI Class 150 & 300
Bore
Full Port (Full round opening)
End Connections
Flanged (wafer)
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
General low pressure, wafer gate valve service for use on tank farms, manifolds, terminals, jetties and platforms. Also suited to vacuum, high temperature and corrosive duty.
Standard Features
- Bubble-tight sealing from vacuum to full rated pressure
- Stem Protector
- Life lubricated bearings – no routine maintenance
- Upstream and downstream seal under all operating conditions – full block and bleed capability
- Metal-to-metal primary seal – protected ‘O’ ring secondary seal installed in the gate and therefore out of the flow
- Floating parallel sided gate can’t stick, wedge or gall
- Floating spring loaded seats always in contact with the gate
- Piggable
OPTIONS
- Stem packing with sealant injection
- Extended blow down valves
- Stem extensions for operating underground
- Transition Pieces
- Gate supports for operation in a horizontal plane