Air Valves

Air Release Valves: AVFI air release valve models include the Dorot series full bore air release/vacuum break valves for potable water application and AVFI’s own established Australian Made air release valve range, the ARV-3N & ARV-4N, which are suitable for wastewater, sewerage and coal seam gas pipelines or systems. AVFI’s air release/vacuum break valves, range in sizes from DN 15 (15 mm) to DN 300 (300 mm) and pressure ratings varies from PN 10 (10 bar) to PN 40 (40 bar). Stocked air release/vacuum break valves are available in a variety of materials such as cast iron, ductile iron, plastic and stainless steel. Refer to appropriate data sheet for full details on AVFI air release/vacuum break valves.

Dorot BSP Plastic Air Release Valve (DAV-P)

DAV-P sizes range DN25 & DN50
DAV-P available in automatic,
kinetic and combination versions.


Dorot PN25 Automatic Air Release Valve (DAV-MP)

Metallic-Shield Air Valves
Available in Automatic, Kinetic,
or Combination Functions
Size DN25 or DN50
BSP or other on request
PN25 Rated

Dorot Ductile Iron Air Release Valve (DAV-MH)

DAV-MH  size range DN50 – DN300
PN16, PN25 & PN40 available
AS4087 flanged
Reduced bore option available
Surge arrestor option available

ARV - 3N
316 Stainless Steel Sewer Air Release Valve

DN50 – DN150 flanged
Table D, E and ANSI flanges available

ARV - 4N
Air Release Valve for Wastewater Systems

15, 20, 40 & 50 mm connections available
PN10, PN16
Flanged version available
316 stainless steel body
Suitable for coal seam gas pipelines

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