All,
I have been asked to provide a torque value for an air-cooled heat exchanger's plugs. Thus far I have not had much exposure to air-cooled heat exchangers. We have internal company standards that specify header plug torque values but the table in our standard does not utilize the same k...
All,
I have a 50' x 36' carbon steel tank in water service that was built to API 650. The tank has experienced severe cooling tower overspray corrosion. The area that has seen the most damage is the critical shell to annular ring (chime) weld. Not only is the shell and weld severely pitted...
We currently have a pressure vessel on our site with an H stamp inside a shield. There is also an N with a circle around it.
There is not a lot of additional information on the stamping. (See attached picture)
What code is indicated by this stamp if any?
The vessel specs are as follows:
No...
