Can the pipe ends of a pipe fitting tee be directly welded to flanges and valves?
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Looking at the design, some main pipes have openings that connect to branch pipes; the tees at these connection points are fitted with flanges that are welded directly to connect the valves. Is such a design in compliance with the standards? It is still necessary to add a pipe spool before welding the flange.
Butt weld flanges can be welded directly, while flat weld flanges cannot.
According to general engineering design standards, the pipe ends of pipe fittings such as tees can usually be directly welded to flanges and valves. Such a design complies with the specifications and allows for easy connection to valves or other equipment. However, the specific design still needs to comply with relevant design specifications and standards, and be evaluated and confirmed based on specific circumstances to ensure the reliability and safety of the design. In special cases, it may be necessary to add a pipe splice before welding the flange, depending on the specific engineering requirements and site conditions. .