ASSE 1063:2016(R2021)
Current
The latest, up-to-date edition.
Performance Requirements for Air Valve and Vent Inflow Preventer
Hardcopy
English
01-07-2021
The purpose of air valve and vent inflow preventer assemblies is to allow the release and admission of high volumes of air through air valves and air vents in potable water distribution systems, but prevent the entry of contaminated water when the air valve outlet becomes submerged from flooding or is the target of malicious tampering.
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