1. My question is, do we need to have a CRN before fabrication begins or can we certify our vessel and piping system after it's been fabricated?
You only need a CRN before it is in operation so technically you can begin fabrication without a CRN. However, you run the risk of ABSA making...
Hey guys,
I have what I think is a simple heat transfer problem. Basically, I have a 4" schedule 40 carbon steel pipe with a 3"x3"x1/4" carbon steel angle iron welded to the top.
- The pipe has 58 psi steam @ 290 degrees F (4 bar @ 144 degrees C)
- It is in an enclosure with 700 CFM of air...
Thanks for the comments. I suppose I was trying to be too general in my intial post.
racookpe1978, you make a valid point. Let's just assume that the benefit I gain outweighs the additional costs.
To be more specific, we are thinking of using it for a steam line with a design pressure of...
Does anyone have any experience with using non-circular pipe for fluid conveyance? More specifically, square or rectangular cross section. Maybe you know of some reference material that exists.
The only standard I could find is ASME Section VIII - Division I - Mandatory Appendix 13, which is...