Air-Release, Air/Vacuum and Combination Air Valves by AWWA PDF

By AWWA

ISBN-10: 1583211527

ISBN-13: 9781583211526

ISBN-10: 1615838201

ISBN-13: 9781615838202

Operators, technicians, and engineers will locate the knowledge during this handbook important for gaining a uncomplicated knowing of the use and alertness of air valves. this can be a necessary consultant for choosing, sizing, finding, and fitting air valves in ingesting water offer purposes. insurance contains air valve varieties, valve position, valve orifice sizing, water hammer, set up, operation, protection, and upkeep.

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Additional info for Air-Release, Air/Vacuum and Combination Air Valves

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1975. Removal of Air From Water Lines, Journal of the Hydraulics Division, ASCE, February. J. Surge Reference Manual, Department of Civil Engineering, University of Kentucky, latest edition. AWWA M11. 1989. Steel Pipe-A Guide for Design and Installation, 3rd edition. Denver, Colo. AWWA Standard for Air-Release, AirNacuum and Combination Air Valves for Waterworks Service, AWWA C512-92 (1st edition), Denver, Colo. Colorado State University. 1977. Concepts of Water Hammer & Air Entrapment in the Filling & Testing of Pipelines.

1972. Locating and Sizing Air-Release Valves, Journal AWWA, July. , et al. 1989. Pumping Station Design, Butterworth-Heinemann, Boston. Theory, Application, and Sizing o f Air Valves 1997. Val-Matic Valve & Mfg. Corp. D. 1991. L. George Ltd. Tullis, J. Paul 1989. Hydraulics of Pipelines, John Wiley & Sons, New York. Wisner, Paul E. 1975. Removal of Air From Water Lines, Journal of the Hydraulics Division, ASCE, February. J. Surge Reference Manual, Department of Civil Engineering, University of Kentucky, latest edition.

An outside air intake piped directly to the air valve may help prevent contamination of the pipeline. Provide all intake piping with a down-turned elbow, an air gap, and a bird screen. Depth of Burial Valves should be buried below the frost line to prevent freezing. Where combination air valves are used, those in a single body are less likely to freeze than those in separate bodies. Freezing Suitable insulation and electrical heat tape should be provided in areas prone to freezing. Frozen air valves will not operate and can be damaged.

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Air-Release, Air/Vacuum and Combination Air Valves by AWWA


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