M51 Air Valves: Air Release, Air/Vacuum, and Combination, Second Edition
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M51 Air Valves: Air Release, Air/Vacuum, and Combination, Second Edition

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The safe and efficient operation of a liquid piping system is dependent on the continual removal of air and wastewater gases from the liquid piping system. 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 to wastewater applications including scouring velocities for larger piping systems, and information on an inflow preventer device in...