Single Big Orifice Vent Valve

PN10-PN16 
1/2 “~ 1-1/4”
Iron, Ductile Iron

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Product information

Single big orifice vent 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 single big orifice 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. 

1. FEATURES
  • Discharge air more flexible
  • Preventing of the water hammer
  • Discharge the air slowly
  • Safer self-protection 
  • Long service life
3. STANDARDS
  • 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
  • Interior and exterior fusion bonded powder epoxy resin with minimum dry film thickness of 250 microns
2. TECHNICAL SPECIFICATIONS
  • Nominal pressure: PN1.0 / PN1.6MPa
  • Size: 1-1/2”~ 12” (40 ~ 300mm)
  • Materials: cast iron, ductile iron
4. APPLICATIONS
  • Applicable medium: water, neutral oil
  • Applicable temperature: 0 ℃ ~ + 80 ℃
  • Typical application:
    1.Water projects
    2.High buildings
    3.Water treatment industry
    4.Power plant
    5.Pump station

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