2 Electrofusion connection
Electric fusion connection is a special use of electric fusion with embedded resistance wire pipe fitting And Pipe Or the connection part of the pipe fitting is in close contact with the power supply, and the connection part is heated by the embedded resistance wire, so that it can be fused and connected together until Connector Cool down. Electrofusion bonding can be used for polymerization with different types and different melt flow rates ethylene Pipe or socket pipe fitting connection. Electric fusion connection is divided into electric fusion socket connection and electric fusion saddle connection.
3 Socket flexible connection
polyethylene The Conduit Socket flexible connection is a new type of connection developed by referring to the principle of socket flexible connection of cast iron pipe and PVC pipe (PVC U). It is a reinforced polyethylene socket welded at one end of polyethylene pipe. Socket type flexible connection is to insert one end of polyethylene pipe directly into the special socket of pipe or pipe fitting, and use the locking ring in the socket to compress the anti pulling and rubber sealing ring to compress and seal, so as to achieve the purpose of connecting pipes and pipe fittings.
4 Flange connection
Flange connection is mainly used to connect polyethylene pipes with metal pipes or valves, flow meters, pressure gauges and other auxiliary equipment. Flange connection is mainly composed of polyethylene flange connector, steel or aluminum back pressure looper flange, steel or aluminum flange sheet, gasket or seal ring, bolt, nut, etc. The purpose of flange connection is to make the flange connector contact with the flange plate closely by fastening bolts and nuts.
5 Steel plastic transition joint connection
The connection of steel plastic transition joints is to connect polyethylene pipes and metal pipes by using steel plastic transition joints prefabricated by cold pressing or other methods. There are anti pulling locking rings and sealing rings in the steel plastic transition joints, which are generally required to have good sealing performance, anti pulling and pressure resistance greater than the polyethylene pipes in the system.
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