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Yes, It was Searun. I faced the same issue before. I can tell you that this change came on the 2010 version, not just now at the 2013 version. I couldn't find another way to fix then by retyping everything. At least old ones were kept as images.

I did a ASME VIII div 2 vessel, 61mm wall thickness, 1200mm ID with many nozzles. One of them was a 1" bore nozzle. What I did was machined a block about 8" OD x 1" ID x 90mm length (a bit over the wall thickness) then machined a 8" hole at the vessel wall and placed the nozzle set-in. The...

I need to calculate the friction loss in a flow loop made of 4" ID weld clad pipe. As the inner surface is not machined after cladding, anybody knows how to estimate fricton loss in such irregular surface? I have just two bends and one gate valve, as this line must be piggable. The clad is made...

Thanks gr2vessel. I'l do that for sure. I've already started some conversations with Vector as I told you, but now I see that I can go deeper on my researsh and ask other companies and operators as well. Thank you very much for your time and help. :) Cheers, Mathias28

Why you say that nobody is using anymore API flanges for sub-sea applications? As far as I know, API flanges are being used widely for subsea equipments up to 21". Is suitable for external pressure as no other standard flange. I completely agree with you about ASME flanges. For the aplication I...

gr2vessels, You suggest me to go for compact flanges. I didn't mention before to not address the answers to that solutions, but I've heard about this with another company, Vector flanges http://vectorint.edge.be/index.cfm?PageID=18601 This flanges as I could see is based on FEA analisys and...

Thank you all for the answers. Just to be clear about the pressure issue. When i said that class 900 is 100 psi lower than what I have, is that, according to ASME, selcting my material and my temperature, the allowable pressure was 2200psi. About the differential pressure: I always have to...

I'm trying to choose a flange for a subsea vessel but I'm having some problems to make the best choise. a) In subsea equipments I always go for a API 6A/17D flange, but it goes up to 30" size, so 38 inches is way to big for API flanges. And API don't address what to do for bigger flanges. b) I...