4500# Flanges - ASME B16.5 & ASME B16.34
4500# Flanges - ASME B16.5 & ASME B16.34
(OP)
I have an inquiry for a flanged control valve in Inconel 625 for service in 250 bar, 550°C. This is a group 3.8 material and I verified that a 4500# flange would meet the system requirements. However, I cannot answer the customers question as to why the 4500# flange is listed in ASME B16.34 but not 16.5. Can anyone tell me? They are hesitant to move forward with this in case the flange/valve is not ASME approved. Any insight on this flange would be greatly appreciated. Thanks!





RE: 4500# Flanges - ASME B16.5 & ASME B16.34
RE: 4500# Flanges - ASME B16.5 & ASME B16.34
There is therefore no flange #4500 ( 775 bar! @ 50C) listed, in 16.34, only a rated valve able to withstand that pressure. If you want to flange it then depending on what our actual design pressure is you probably need an API 10000 or 15000 flange or some other flange system (norsok) whose flanges are rated for this rather large pressure welded to the end, providing your end dimensions match up.
It's not clear if there ever was a #4500 flange, but there isn't one now....
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: 4500# Flanges - ASME B16.5 & ASME B16.34
We are working with the customer to see what other kinds of fittings/ends they are using throughout the system. I have yet to work with API flanges but perhaps that would be a suitable solution for them. Thank you again.
RE: 4500# Flanges - ASME B16.5 & ASME B16.34
RE: 4500# Flanges - ASME B16.5 & ASME B16.34
RE: 4500# Flanges - ASME B16.5 & ASME B16.34
I would be welding that.....
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: 4500# Flanges - ASME B16.5 & ASME B16.34