Sorry, to clarify, I'm talking about natural gas T&D in the United States. So with that in mind, I'm considering "cold" pressure. ANSI 300 valves are rated for 720 cold working pressure; we order the valves to be shell tested to 1.8*720=1296.
The code I'm referring to is 49 CFR 192.619.
Hello,
I am questioning a "standard" one group in my company uses for determining strength test pressure. When installing new pipe or assemblies, we will determine the pressure range for the test by first determining the maximum allowable test pressure and then subtracting some tolerance to...
