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afaroo Posts: 3,271, Reputation: 995
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#3

Mar 23, 2009, 11:36 PM
I agree with RickJ, he have described very well I am attaching the following links just for information, Thanks.

Best Regards,
John

Nominal Pipe Size - Wikipedia, the free encyclopedia

PVC and CPVC Pipes - Schedule 40 & 80
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