Flow Control - Valves

Air Release Valves

Air Release Valves: Derwent Industries air release valve models include the Dorot series full bore air release/vacuum break valves for potable water application and Derwent Industries 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. Derwent Industries 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 Derwent Industries air release/vacuum break valves.

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