Take a look at what kind of flange this is
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Name, application area, comparison with standard flanges, design standards.
This should be the mounting base for flange-type thermocouples and thermal resistors. Welded to the pipeline, with thermocouples and thermal resistors inserted and secured with flanges.
Reinforced Nipoflange, a type of pipe fitting used in various temperature and pressure measuring instruments.
Flange branch pipe platform, I guess. flange orifice
Fittings used in some temperature and pressure measuring instruments. :lol
It’s a non-standard component, integrated with the pipe support
As mentioned on the 3rd floor, it is essentially a combined unit of a pipe sleeve, flange, and short pipe, which can be processed using LWN long-welding-diameter flanges.
I also think it’s the branch pipe base that is welded to the flange
What is the purpose of welding it in this way in advance?
Flange branch fitting~~one end is a flange, the other end is a branch fitting base~~