Sewage Combination Air Release Valve

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Features

 

  • Advanced design with simple mechanism, strong float to prevent cracking during sudden water hammer & quick closure.
  • Aerokinetic mechanism to resist blow shut under higher air velocity even up to sonic velocity of air.
  • With special fat body design to lower the sewage water flow speed, and let the air out but keep sewage water underneath.
  • Keep dirty or corrosive liquid inside the body for safety during operation and no harm to human & surrounding environment
  • Internal body guide and upper round wall keep float moving on its rail and keep liquid turbulence flow within this area.
  • Much bigger air flow through the nozzle even for higher viscosity liquid.
  • Outside screen will be an option for safety and prevent insects or birds in.
  • Fully fusion epoxy coated inside and outside of valve body for long term services.
  • Manufacturing standard meets BS EN 1074-4, AWWA C512. Flange drilling and dimension meets BS EN 1092 and ANSI flange.

 

Technical Data

 

  • Size range: DN 50-200MM
  • Pressure ratings: 1.0Mpa,1.6Mp (Flange)
  • Working temperature: -10°-80°C
  • Flow media: Sewage water.
  • Service Fields: For sewage water system.

 

Functions

 

Sewage combination air release valve provides 3 functions:

1. Large air release during filling of the pipeline.
2. Small air venting under pressurized pipeline.
3. Large air intake during draining of the piieline.


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