AWWA M49

AWWA M49 Butterfly Valves: Torque, Head Loss, and Cavitation Analysis
Handbook / Manual / Guide by American Water Works Association, 04/01/2012

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Water operators receive complete information about the versatile butterfly valve in drinking water service. Engineers and technicians will gain a basic understanding of calculations for operating torque, head loss, and cavitation. Coverage includes valve design, torque, head loss, cavitation, testing, noise, and vibration.