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SOH Flange manufacturers tell you the method of flange assembly
Date：
2023-02-21 09:33
Source：
SOH Flange manufacturers tell you the method of flange assembly:
1. Before assembling the flange, the flange surface must be cleaned, especially the sealing surface.
2. When assembling flat welding flanges, the pipe end should be inserted into 2≤3 of the thickness of the inner diameter of the flange, and then the flange and the pipe are spot welded. If it is a horizontal pipe, the flange should be spot-welded from above, and then the position of the flange should be checked and corrected from different directions with a 90° angle ruler so that the sealing surface is perpendicular to the center line of the pipe. point is correct.
3. Use a 90° angle ruler to check and correct the position of the flange from the left and right directions. After passing the spot welding at the third and fourth points, the spot welding and fixing of the flange are completed.
4. As far as the assembly of the flange pair is concerned, the bolt holes of the mounting flange should be aligned with the corresponding bolt holes of the fixed flange, and parallel to the fixed flange, and the deviation should not be less than 1.5% of the outer diameter of each thousand flanges. And not more than 2mm.
5. When selecting matching flanges for equipment or valve components, attention should be paid to whether the flanges of the original equipment or valve components are consistent with the flange connection size used in the pipeline.
Our company is a professional SOH Flange manufacturers, please contact us if you need.
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