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In the industrial pipeline, the use of flange connection is very extensive.
Flange surfaces, especially sealing surfaces, must be cleaned before flange assembly.
The flange connection should be kept on the same axis, and the center deviation of the bolt hole should not exceed 5% of the hole diameter.
Bolts shall be freely perforated and shall be of the same size and direction of installation
Butt-welding flange with diameter
The bolts shall be tightened symmetrically and evenly to ensure the uniform force of the washer.
As an important mechanical part, flange plays an irreplaceable role in pipeline construction and industrial manufacturing.
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