Transcription of AWWA Standard
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AWWA Standard
This is a preview of " awwa C504-10". Click here to purchase the full version from the ANSI store. ANSI/ awwa C504-10. (Revision of ANSI/ awwa C504-06). The Authoritative Resource on Safe Water . awwa Standard Rubber- seated butterfly valves , 3 In. (75 mm) Through 72 In. (1,800 mm).. SM. Effective date: Dec. 1, 2010. First edition approved by awwa Board of Directors May 27, 1954. This edition approved June 20, 2010. Approved by American National standards Institute Oct. 6, 2010. 6666 West Quincy Avenue Advocacy Denver, CO 80235-3098 Communications T Conferences Education and Training Science and Technology Sections Copyright 2011 American Water Works Association.
Butterfly valves are generally used for pipelines carrying liquids and gases. Manufacturers of butterfly valves developed tight-closing, rubber-seated types for cooling water systems and power stations. Since 1940, most new valves installed for this type of service have been rubber-seated butterfly valves.
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