pennpiper.
My pipeline has a MAOP of 4609 psig, so that is why I prefer to use butt weld joints, even the weld between the weldolet and the nipple or flange will not be butt weld. I feel more comfortable using butt weld joints in all places I can do it, instead lapped or filled joints. What you...
pennpiper,
Thanks, and I am from Argentina, so sometimes my English make mistakes writing RX instead RT, but we are in same concept.
I am agree, with you comment of up-stream, and we have enogh space to separate the connections two diameters.
I know that the RT is for butt welds and not for...
I will install two weldolets 2" on a 20" existing gas pipeline for temperature and pressure devices using a hot-tap process.
I know for sure that the nipple plus one flange need be hydrotested with 1.25 MAOP of the pipeline and not 1.25 MOP of the pipeline, or RX will be enough in the weld...
