Flange, just a general term, usually refers to opening several fixing holes on the periphery of a disc-like metal body for connecting other things. This thing is widely used in machinery, so it looks strange, as long as it looks like a flange, its name comes from the English flange. So the flange is a disc-shaped part, the most common in pipeline engineering, and the flange is used in pairs. In pipeline manufacturing, Flanges are mainly used for the link of pipelines. In the pipelines that need to link, Various devices include a flange. deficient-Pressure pipelines can use wire flanges and welding flanges with pressures greater than 4 kg. Add sealing points within the two flanges, immediately after tighten with bolts.Plate Flange Material Carbon steel ASTM A105, A350 LF1,…