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A brief introduction to Butt welding flange
Date：
2022-12-26 00:00
Source：
Butt welding flange is a kind of pipe fitting, which refers to a flange with a neck and a round pipe transition and connected to the pipe by butt welding.
Butt welding flange is not easy to deform, has good sealing, and is widely used. It has corresponding rigidity and elasticity requirements and reasonable butt welding thinning transition. The distance between the welding port and the joint surface is large, and the joint surface is free from welding temperature deformation. It adopts a relatively complicated cough. Trumpet-shaped body structure, suitable for pipelines with large fluctuations in pressure or temperature or high-temperature, high-pressure and low-temperature pipelines, generally used for the connection of pipelines and valves with a PN greater than 2.5MPa; also used to transport expensive, flammable and explosive media on the pipeline.
In pipeline engineering, Butt welding flange is mainly used for the connection of pipelines. In the pipelines that need to be connected, various flanges are installed. Low-pressure pipelines can use wire flanges, and welding flanges with pressures above 4 kg. Two pieces Add gaskets between the flanges, and then fasten them with bolts. Flanges with different pressures have different thicknesses and use different bolts.
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Butt welding flange
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