Recommended practices, calculations, and data for correctly specifying and using butterfly valves in any water piping system. Second edition.

Updated from the 2001 edition, this new manual has expanded equations for eccentricity torque, added torque sign conventions and double offset disc design varia

"The purpose of this manual is to present a recommended method for calculating operating torque, head loss, and cavitation for quarter-turn valves typically use

Pumping Station Design, Third edition shows how to apply the fundamentals of various disciplines and subjects to produce a well-integrated pumping station that