Flange (flange) connections are two pipes, fittings or equipment, each mounted on a flange, between two flanges and flange gasket, bolt together and complete the connection. Has flanged pipe and fittings, also belongs to the flange. Flange connections is an important connection for pipeline construction. Flange connections easy to use, able to withstand greater pressure. Industrial pipe, flange connections using a very wide range. Within the family, pipe diameter, and are low-voltage, see flange connection. If produced in a boiler room or scene is full of flanged pipes and fittings.
1, and according to connection way method blue connection type can is divided into: plate flat welding flange, and with neck flat welding flange, and with neck on welding flange, and bearing plug welding flange, and thread flange, and flange cover, and with neck on welding ring pine sets flange, and flat welding ring pine sets flange, and ring slot surface flange and the flange cover, and big diameter flat flange, and big diameter high neck flange, and horoscopes blind Board, and on welding ring pine sets flange,.