Flange-Hebei Shengtian Pipe-fitting Group Co.,Ltd.

　　Flange is used for pipe end connection; also used in the equipment, and used for the connection between the two devices, such as reducer flange. Flange connection or flange connection is defined by the flange, gasket and bolt are connected as a group of combined seal structure of the detachable connection. Pipe flange refers to the pipeline installation of piping flange, used in equipment refers to equipment import and export flange. There are two bolt holes on the flange, the flange connect. Flange gasket seal. Sub threaded flange connection (threaded connection), flange welding flange and flange clamp. All flanges are used in pairs, and the low pressure pipe can be used for the use of wire connecting flanges, and the use of four kg or more pressure on the use of welding flanges. Between the two pieces of the flange and the sealing pad, and then use the bolt fastening. Different pressure flange thickness, the use of bolts are also different

　　Flange connection is the two pipes, pipe fittings or equipment, the first fixed on a flange plate, between the two flanges, with the flange gasket, with the bolt fastening together, complete the connection. Some pipe fittings and equipment have already comes with flange, also belong to the flange connection. Flange connection is an important connection mode of pipeline construction. Flange connection is easy to use, can withstand greater pressure. In industrial pipe, the use of flange connection is very extensive. Accordance the flange connection type, flanges

　　can be divided into: welding plate flange, welding neck flange, welding neck flange, socket welding flange, threaded flange, flange cover, welding neck ring loose set of flange, weld ring loose flange, ring groove face flange and flange cover, large diameter flange plate, large diameter high neck flange, splay blind plate, butt welding ring loose flanges and so on.