Butterfly Valve Flow Characteristics

by M. B. McPherson, (A.M.ASCE), Associate Prof. of Civil Eng.; Lehigh Univ., Bethlehem, Pa.,
H. S. Strausser, Asst. Prof. of Civ. Eng.; Univ. of Washington, Seattle, Wash.,
J. C. Williams, Jr., (M.ASCE), Senior Project Engr.; CDC Control Service, Inc., Hatboro, Pa.,

Serial Information: Journal of the Hydraulics Division, 1957, Vol. 83, Issue 1, Pg. 1-28

Document Type: Journal Paper


Flow coefficients given for free and submerged discharge as well as two cases with enclosed flow piping; effects of type of installation, blade shape and closure angle for control type valves (using water); correlation of analytical relations with performance provides basis for predicting incipient cavitation.

Subject Headings: Valves | Flow control | Free flow | Submerged flow | Water flow | Water discharge | Submerging | Pipes

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