I have been inspecting for a contractor that is doing work for a petroleum refinery. They have bolting and torquing handbooks that their contractors follow and there has been some debate about manways.
They have sections broke down by flange rating, size, and class. As for the, "pressure...
A customer has issued a bolting a torquing handbook for all of the contractors to abide by when making connections
They detail out the stud requirements, gasket and materials, as well as the lubricant for each vessel and piping connection. Of course they specify by flange size but the main...
