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Precautions for use of spiral steel pipe

For the installation and use of spiral steel pipe, there are strict technical requirements, to be carried out according to the actual situation, but also in accordance with the operating procedures, to ensure safety and quality. In the ordinary use process, the following points need to be paid attention to:

1.Construction preparation before use of spiral steel pipe

The pipe trench should be dug, the pipe well brick completed, the required types of spiral steel pipe in place, all kinds of tools needed, including welding machine, cutting machine, electric hammer, polishing machine, etc., are ready, only a series of preparatory work can start installation.

2. Installation of spiral steel pipe

Pipe positioning shall be carried out according to the drawing design, pipe supports shall be prefabricated according to the site conditions, and then the material shall be cut according to the design and site, and then the groove shall be ground by a polishing machine, and then welded.

3,.the use of quality requirements

1, vertical installation of the riser per meter deviation should be less than 3 mm, horizontal installation deviation should be less than 1 mm.

2. The branch pipe shall not be welded at the weld line, and the bending line shall be avoided.

3, the weld is straight, the weld is full, the surface of the weld is not burned through, crack.

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