Double Orifice Air Valve with Isolation Valve

2 “~ 12” (50~300mm)
Cast Iron, Ductile Iron

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Double Orifice Air Valve with Isolation Valve Product Information

Double orifice air valve with isolation valve is one important exhaust valve mounted with isolation valve (gate valve) in the long big piping transport, which is normally mounted on the top of the pipe or pipe air holding place to discharge the air in the pipe, making sure the pipe work normally. Flowspec slow closing type combined vent valve can remove the air existed in the pipe more flexible, proventing of the pressure fluctuation or other damages in the piping system. Double orifice air valve is applicable especially to the main water pipes and deep well pumps piping system. Flowspec Luokai can manufacture and supply the double orifice air valve with isolation valve with sizes of 2”~ 12” (DN50 ~ DN300mm). Contact us today. Get the better prices. 30 years of experience. Great after-sales service.

  • Discharge air more flexible
  • Preventing of the water hammer
  • Discharge the air slowly
  • Safer self-protection 
  • Long service life
  • Design & manufacturing: BS EN1074-4:2000, BS5163:2004
  • Face to face: BS EN1074-4
  • Flanged ends: EN 1092-2:1997
  • Inspection & testing: EN 12266-1:2012
  • Quality assurance: ISO 90001
  • Special: WRAS approved
  • Applicable medium: water, sewage, sea water
  • Applicable temperature: 0 ℃ ~ + 80 ℃ (higher temperature is available upon request)
  • Nominal pressure: PN1.0 / PN1.6MPa
  • Size: 2”~ 12” (DN50 ~ DN300mm)
  • Materials: cast iron, ductile iron
  • Water projects
  • High buildings
  • Water treatment industry
  • Power plant
  • Pump station

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