connection is to fix two pipes, pipe fittings or equipment, each fixed on a flange, between the two flanges, plus flange pads, fastened with bolts, completed the connection. Some pipe fittings and equipment have been brought into flanges and belong to flanges. The flange connection is an important way to connect pipeline construction. The flang
e connection is convenient and can withstand a large pressure. In industrial pipelines, the flange connection is widely used. In the home, the pipe has a small diameter, and it is low pressure, and it does not see the flange connection. If in a boiler room or production site, it is a flange and equipment.
According to the connection of the flange, the flange can be divided into: plate-type flat welding method, with neck soldering method, with neck, welding method, threaded flange
, flange cover, with neck welding ring Loose set flange, flat welding ring loose set flange, loop trough flange, large diameter flat flange, large diameter high neck flange, eight-character blind plate, welding ring loose flange, etc.