The American Water Works Association had this guide written to assist those who will choose, locate and/or install air valves for water use (it doesn't contain the AWWA standard, which is a separate publication). The use and principles of air valves are discussed in an introduction, the remainder ofAir/vacuum or combination air valves installed on the discharge of vertical turbine or deep-well pumps are subject to water hammer problems similar to those encountered in the filling of pipelines. Air needs to be vented from the pump columnanbsp;...
|Title||:||Air Release, Air/Vacuum Valves and Combination Air Valves (M51)|
|Publisher||:||American Water Works Association - 2001-06|