Looking to get clarity on something that has bothered me for years. There seems to be a giant misalignment that nobody talks about with threaded weld-on branch fittings (threadolets) per MSS SP-97 vs ASME B16.11's class system.
First, for most threaded fittings covered by ASME B16.11, Table 7...
Hello, I'm looking if somebody can advise me what the pressure-temperature ratings of MSS SP-114 Class 150 SS fittings are? I've heard that the equivalent P-T rating of threaded Sch 40 pipe should be used. Can anybody confirm if this is correct? I don't have access to the code and don't want to...
