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Thank you TGS4. Where would you need to calculate this pressure, is there any benefit in calculating this value. The datasheet for the furnace, attached to a wasteheat boiler give an expsion pressure of 75psig at a stress of 0.9 of the hot yield. I could not figure out how this 75 psig was...

I want to determine the maximum pressure a reaction furnace can take in case of an internal explosion. The material is SA516 70N, shell thickness is 0.625", CA is 0.125" and operating temperature is 675°F. Internal radius is 41" and E IS 0.85. I am not sure if I can use the regular...

This is a newly manufactured valve that has to be hydrotested by the manufacturer as a requirement prior to acceptance.

I am the end user. The valve will be used in extreme conditions and the life expectance expected out of it is atleast 25 years.

This is what ASME B16.34 says: 7: Pressure Testing 7.1: Shell Test 7.1.1: Shell Test Pressure - Each valve shall be given a shell test at a gage pressure no less than 1.5 times the 38C(100F) pressure rating, rounded off to the next higher 25 psi(1 bar) increment. I have a ANSI CL300...

Thanks for you inputs, Steve and Ulyssess. Jaideep Program Quality

Can anyone guide me to any standard or section in a standard that specifies requirement of Signature on the Mill Test Report? Some say that it is need and some say taht it is not needed as per ASTM A 703. Thanks in advance.