Flange connection is to fix two pipes, fittings or equipment on a flange separately, between the two flanges, plus flange pad, and fasten them together with bolts to complete the connection. Some pipe fittings and equipment have their own flange, also belong to the flange connection. Flange connection is an important connection mode in pipeline construction. Flange connection is easy to use and can withstand greater pressure. Flange connections are widely used in industrial pipelines. In the family, the pipe diameter is small, and is low pressure, can not see the flange connection. If you are in a boiler room or production site, there are flanged pipes and equipment everywhere.
According to different connection modes, there are butt welding flange, socket welding flange, thread flange, loose sleeve flange and slide sleeve flange.
PLATE/PL FLANGE relative to necked flange, PLATE/PL FLANGE can be divided into carbon steel flange, stainless steel flange and alloy steel flange according to the material. The structural forms of flange are integral flange and unit flange.
