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Thank you for the input guys. As soon as I can get my hands on this then I can post an update. I appreciate the help!

Material is 18ga. I do not believe it is structural if it is for an enclosure. Please forgive the lack of information, I am new to this industry so it will take me a while to get used to it.

I am trying to see if anyone can guide me in the right direction in regards to AWS standards. I am looking to see if there is any WPS for spot, stud, and weld neck welding. Anything helps! Thanks in advance.

Snorgy, Thanks for the informational documents. I was trying to see if anyone had any experience using a certain type of check valve for gas or liquid applications; and of any problems that have been encountered from using a particular type.

Is there a particular type of check valve that is preferred on the discharge side of an oil-flooded screw compressor. We are currently thinking that a "swing check" type would suffice but I am wanting to get a second opinion on the matter. Here is a short explanation on the setup of part of the...

Thanks for the feedback EdStainless... In your experience have you ever dealt with any heat exchangers that handle hydrogen(~75 mol%) at pressure in the 2000+ psi range and temperatures up to 800°F? I ask this because I have a couple of BEU type Heat Exchangers, and I am trying to choose...

chicopee, Yes, you are correct sir. Although I would like to say that I am assuming that welding either before or after expanding would only be a seal weld and not a full strength weld. Like you said if it is a full strength weld there is no need for post-weld expansion. My question is when...

chicopee, Thank you for your response. I have heard anecdotally and read in some heat exchanger literature that expanding and welding the tubes to the tubesheet is not uncommon. With that being said, the designer also has to decide whether the expansion is going to take place before welding...

Does anyone know of or have a rule of thumb for what the cutoff Temperature and/or Pressure for expansion(by rolling) tubes into tubesheets is? Any literature to reference would also help apart from the valuable years of experience all you fellow engineers may have in the industry. Also when...