A horizontal vessel (bullet) was built for gas service at less than full vacuum. It will now store liquid, so it will be rerated for 100% vacuum. We have engineered a series of rings (WTs) with the stem welded on the external vessel wall, in order to accomplish the required reinforcement...
The "tailing" of the load, when lifting the bundle from horizontal to vertical could damage the tubes. Fabricators will sometimes include provisions as simple as a hole in the baffle nearest the bottom or the bundle, while others include a skid plate.
The aspect of a "mock" shell is often...
I am told that API-510 says "ASME VIII Pressure Vessels constructed prior to 1968 requires that any new calculations/specifications be completed under the CODE in effect when the vessel was fabricated".
Is there a "source" when a person can obtain the 1950 CODE ?
