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1. The minimum acceptable flange class for a piping system with a design pressure of 500 psig at 900°F and made from ASTM A-182 Gr. F22 material is Class 400. 2. For a piping system designed at 380 psig at 700°F using A53 Gr. B seamless pipe with a latest UT of 0.28 inches and corrosion rate of 0.005 inches per year, the correct MAWP if the next inspection is in 4 years is 446 psig. 3. For a piping system that is NPS 10, made from ASTM A106 Gr. B seamless pipe, designed at 300°F with a latest UT of 0

Author

Ashish Patel

Language

EN