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Topic: Re: What is the best practice to re-rate for an operating temperature?

posed by 
The re-rating for an operating temperature at 85 C (185 F) for 3-inch SCH 80 370 psi at 73f/23c 45WA 9102  2M FS10  SD25  ASTM F441 19914 POTABLE NSF-- which is a CPVC material is approximately 90 psig. Use of the proposed pipe at 85 C and 100 psig would be above its rated pressure.