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Does anybody know which IQI material should we use according to EN standards while Radiographying Inconel 625 welds? Thanks

Has anybody know if any code justify the performance of the hydraulic test at a pressure lower than required based on complementary tests (as 100% RT...etc)- We have to perform the hydraulic test of a repaired equipment that is already installed in the line and its pressure is quite higher than...

Dear Anegri, - Do you know about any reference or standard where the test at "low" temperatures (-50ºC) by sprayind is explained? - What do you think about the safety requirements for both tests "low temperatures by spraying" and "cryogenic temperatures by immersion". Best regards

Anegri, All your information helps me a lot. Thanks. Then the only way of testig valves at cryogenic temperatures it´s submerging them into the liquid Ni within an insulated tank. What do you know about safety requirements for the tests in these tanks? What size are you thinking about...

Anegri, I also heard about the possibility of testing cryogenic valves pulverizing them with liquid Ni instead of submerging them into it. What do you feel about this?

Where can I purchase a test bench for testing cryogenic valves? Thanks

Thanks anegri, I have a new question: Are the material requirements indicated in ASME (ASME II and ASME VIII for Charpys..etc) enough in order to design a valve for cryogenic service? Thanks

Has someone the Shell specification MESC SPE 77/200, ISO/DIS21011 and TC153 for my information? Thanks, Gobio

I´m really interested in tests of cryogenic valves. Could you please give me references about this subject. Any document would be helpful for me. Thanks