Small Single Orifice Air Valve with Isolation Valve

1/2 “~ 1-1/4”
Iron, Ductile Iron

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Product information

Small single orifice air valve with isolation valve is one important exhaust 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. It is applicable especially to the main water pipes and deep well pumps piping system. 

  • 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
  • Nominal pressure: PN1.0 / PN1.6MPa
  • Size: 1/2”~ 1-1/4” (15 ~ 32mm)
  • Materials: cast iron, ductile iron
  • With DN40-DN65, DN80 flange
  • Applicable medium: water, sewage, sea water
  • Applicable temperature: 0 ℃ ~ + 80 ℃ (higher temperature is available upon request)
  • Typical application:
    1.Water projects
    2.High buildings
    3.Water treatment industry
    4.Power plant
    5.Pump station

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