Choosing the proper air valve for the application is critical to all liquid piping systems. This manual provides essential information for selecting, sizing, locating, and installing air valves in water, wastewater and reclaimed water pipeline systems.

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2016年1月1日 · Choosing the proper air valve for the application is critical to all liquid piping systems. This manual provides essential information for selecting, sizing, locating, and installing air valves in water, wastewater and reclaimed water pipeline systems.

awwa m51-2016 M51 Air Valves: Air Release, Air/Vacuum, and Combination, Second Edition This manual provides essential information for selecting, sizing, locating, and installing air valves in water, wastewater and reclaimed water pipeline systems.

A valuable guide for selecting, sizing, locating, and installing air valves in water applications, M51 provides information on air valve types listed in AWWA Standard C512, latest edition, including the following: air-release valve; air/vacuum valve; and combination air valve.

Choosing the proper air valve for the application is critical to all liquid piping systems. This manual provides essential information for selecting, sizing, locating, and installing air valves in water, wastewater and reclaimed water pipeline systems. This revised second edition includes information pertaining...

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Air-release valves, also called small-orifice valves, are designed to automati-cally release small pockets of accumulated air and wastewater gases from a liquid pip-ing system while the system operates at a pressure exceeding atmospheric pressure.