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Hi every body, I'm starting in the Liquified Nitrogen vacuum jacket piping industry. Can you suggest me good documentation as a start or good training offered by recognized organization in North America? Thanks in advance, hjulien

Hi every body, I really don't know how a ''P'' type of construction pressure vessel is done (see UG-116(b)(1)). What is ''pressure welded'' process? Is it similar to the Furnace welded type process? Can you explain me how this ''Pressure welded'' process works? Thank in advance, hjulien

Hi, wich API standard shall apply to a storage tank working under 15 PSIG @ 300F? Note : API 650 has maximum temperature of 260F (Appendix M) & API 620 has maximum at 250F Thank in advance, hjulien

pmover, to Code use is the Section VIII div.1 edition 2004 Addenda 2006. I cannot see anything about my issue in that Code. Hjulien

I, one of our subcontractor has tested a pressure vessel with dry nitrogen at 1.1 times the MAWP. But the vessel will keep -40F dewpoint hydrogen at 300 PSIG MAWP. According to me this test is not enough because according to the table of element, the atomic Weight of N is 14 times higher than...

I'm presently designing a B31.3, 1/2'' nom. dia. piping containing hydrogen under normal fluid service. Some joints will be threaded and others will be brazed. For all brazed joints, according to 317.2, because hydrogen is flammable, every joints shall be ''safeguarded''. Can you explain me...

It's true! I can't find the Sm value of the SA-414 Gr. G in the table 2A of Section II part A edition 2004 Addenda 2006. I have the same worry related with the following report found on the ABSA (Alberta) web site : http://www.absa.ca/IBIndex/IB06-003.pdf The tanks manufacturer mentionned in...