Thanks for the responses. Our customer apparently has an aversion to pipe supports. The customer specification has a generic nozzle load table that has significant nozzle loads for nozzle sizes down to 1".
I am working on a nozzle load calculation on a small pressure vessel. The nozzles are 2" pipe. As I look at paragraph 3.2 in WRC 297, there is a statement that for thin-shell theory to be valid, d/t must be greater than 20. That seems to prevent this bulletin from being used for small...
The joint description for a Type (1) weld in Table UW-12 is "Butt joints as attained by double-welding or by other means which will obtain the same quality of deposited weld metal on the inside and outside weld surfaces to agree with the requirements of UW-35."
What other means are acceptable...