Thanks for the response. I do realize 24" is typically a refinery standard, but this pressure vessel is a multi-media filter -- so we were thinking it would be easier to get the media out with a larger manway which is why we were considering a 36" manway.
Someone had mentioned that there was...
Hello,
I was wondering is there a recommended maximum manway in reference to the diameter of a vessel. We have a 54" diameter vessel. The client is proposing a 36" manway. UG-46(l) indicates the minimum size for a round manway is 16". The client minimum size is 24". But they would like a...