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Air Relief Valves, Model AV/AVV/AVGV/AVBV

DN50 - DN200

The air relief valve is an automatic air relief/vacuum valve withan integrated double orificevalve

Operation
•Release airfrom pipeline during filling thesystem and release air pockets in the flow,•Prevent vacuum, by adding air when apipeline is emptied,•Constantly protect the pipeline from airtraps under pressure,•Can be isolated by additional integratedvalve or by built-under gate- or butterfly valve. Features
•Double orificeLarge andsmall volumes of air are released or added during filling and emptying•Integrated isolating valveor additionalisolation valve available•Positive shut-off at p = 0.1 bar•Hold with outlet opening downward,protected bya screen arrangement to prevent ingress of dust (desert application)•Reliable and proven design •Various coatings and materials possible Available
1.Double air valve (AV) 2.Double air valve with integrated valve (AVV) 3.Double air valve with added gate valve(AVGV)4.Double air valve with added butterfly valve(AVBV) General application
The air valve offers an excellent solution for releasing and adding air to water pipelines, protecting line systems, improving efficiency and solving air related surge problems. Technical data
Water distribution Pressure (bar)16 (25) Temperature (°C)-20 to +80 * Sizes (mm)50 - 200 Flange accommodationISO 2531, BS 10E (other flange drillings on request)* Depending on medium www.tycovalves-eu.com
Tyco reserves the right to change the contents without noticeRMISB-0013-EN-0710