Problems with welding high-pressure tees on high-pressure pipelines for ammonia synthesis
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The tees used on the high-pressure pipes for ammonia synthesis are welded high-pressure tees starting with the letter H; they have threads. What happens during installation – is welding involved as well as threading? I’d like some advice!
Based on installation and maintenance requirements, the high-pressure tee of the H standard can be constructed with all three ends welded together； Flange connections at one end, both ends, or even three ends can also be used, and these are all permitted by the standards.