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Gas-air proportional controller GAVR (Giuliani Anello)

IBS Gas-air proportional controller GAVR

Gas-air proportional controller GAVR (Giuliani Anello)


Proportional working air/gas controller to maintain a constant air/gas ratio at different burner capacities and changing pressures.

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Product Description


Giuliani Anello Air-gas Proportional Controller GAVR

Adjustable bypass for burner start or low fire as standard. Available sizes R ½” to R 2” (GAVR-series) and with flanged connection DN 65 up to DN 100.


  • Controls the gas pressure depending on the air pressure
  • To maintain a constant gas / air ratio
  • Modulating and staged burner operatio
  • Wide turndown ratio and high control precision
  • Sizes DN 15 - DN 50 (GAVR series) and DN 65 – DN 100 (VRGA series)
  • Adjustable bypass for burner start or low fire as standard
  • Maintenance free
  • EC type-tested and certified (EN 12067-1)
  • Applicable as air/gas ratio controller acc. to EN 746-2


  • Maximum operating pressure: 200 mbar
  • Air control pressure: 2 – 120 mbar
  • Air / Gas ratio: 1 : 1
  • Min. Δp in- and outlet: 20 mbar
  • Max. Δp in- and outlet: 150 mbar
  • Ambient temperature: -10°C … +60°C
  • Gas types: Natural Gas, City Gas, LPG
  • Connection: Intern. thread Rp ½” to Rp 2”
  • Flanged connection DN 65 to DN 100 (PN 16)
  • Connection for control air: Rp ¼”
  • Manufactured for IBS by Giuliani Anello


  • Body: aluminum
  • Inner parts: aluminum, steel, brass and synthetic materials
  • Diaphragm and gaskets: NBR (Nitrile-Butadiene-Rubber)

For more information, please check the product leaflet.

Additional Information

Additional Information

Manufacturer Giuliani Anello
Outlet pressure 2-120 mbar
Connection Threaded
Estimated delivery 1-2 weeks
Country of Manufacture Italy
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