Flange connection is connect two pipes, pipe fittings or equipment, respectively, first fixed on a flange, between two flanges, plus flange pad, with bolts fastening together, complete the connection. Some of the pipe fittings and equipment has been brought from the flange, but also belong to the flange connection. Flange connection is an important connection way of pipeline construction. Flange connection is easy to use and can withstand greater pressure. In industrial pipelines, flange connections are widely used. In the family, the pipe diameter is small, and is low pressure, flange connection is not visible. If you are in a boiler room or at a production site, there are flanges connected pipes and equipment.
According to the connection method flange connection types can be divided into: plate flat welding flange, neck flat welding flange, neck butt welding flange, socket welding flange, threaded flange, flange cover, neck butt-welding ring loose sleeve flange, flat welding ring loose flange, ring groove flange and flange cover, large diameter plate flange, large diameter high neck flange, blind plate of the ring, flange, etc.