By American Water Works Association
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Additional info for AWWA standard for polyvinyl chloride (PVC) pressure pipe : 4 in through 12 in., for water
AWWA is the largest organization of water professionals in the world. AWWA advances public health, safety, and welfare by uniting the efforts of the full spectrum of the entire water community. Through our collective strength we become better stewards of water for the greatest good of the people and the environment. 6M-43900-9/07-JP Copyright American Water Works Association Provided by IHS under license with AWWA No reproduction or networking permitted without license from IHS Printed on recycled paper.
Sec. 1 Plant access. The purchaser’s inspector shall have access at reasonable times to those parts of a manufacturer’s plant that are necessary to ensure that products comply with requirements. 2 Responsibility for compliance. Plant inspection by the purchaser or the omission of such inspections shall not relieve the manufacturer of the responsibility to provide materials complying with the applicable requirements of this standard. SECTION 6: Sec. 1 General. Pipe, couplings, and fittings shall bear identification markings that will remain legible during normal handling, storage, and installation.
FT = 1 (Table 3) Therefore, pressure-rating reduction is not necessary, PC = 235 psi Step 2: Check working pressure versus pressure class. 1E+06 cycles required Result: DR 18 OK for recurring surge Conclusion: DR 18 pipe is adequate for the design conditions. 1 Illustration of stress terms --```,,,,`,,`,,```,,`,,,``,,,``-`-`,,`,,`,`,,`--- Copyright American Water Works Association Provided by IHS under license with AWWA No reproduction or networking permitted without license from IHS Copyright ©2007 AmericanLicensee=ATLATEC Water WorksS Association A DE C V/5972499001, User=YaÃ±ez, Simon Not for Resale, 05/27/2009 18:53:54 MDT Copyright American Water Works Association Provided by IHS under license with AWWA No reproduction or networking permitted without license from IHS 2,000 50 20 0 100 150 200 255 300 500 700 1000 1500 Positive/Negative Boundary, minimum stress = 0 psi.