What are the types of pneumatic hose fittings?

Feb 03, 2020

Pneumatic hose is an accessory in pneumatic tools, which is mainly used to transfer or transfer compressed air. The reason why the hose is called is because the pneumatic tools are used in different places. In order to match the tool's movement, the materials of the pneumatic pipes are relatively soft. It is generally produced with PU raw materials, with stable quality, high pressure resistance, weather resistance, and wear resistance. The joint types of pneumatic hoses are generally divided into three main categories as follows:

1. PU pipe nylon pipe joint
① Plug-in type. After the plastic pipe is inserted into the top of the elastic chuck, the plastic pipe is pulled outward. Under the action of the radial force caused by the elastic head and the chuck sleeve being pressed at the inclined surface, the cutting edge of the chuck is caught on the outer surface of the pipe. It is connected and sealed by a chuck and an O-ring. When disassembling, push the elastic chuck to the left end, so that the chuck and the chuck cover are tightly tightened and separated away, and the pipe can be pulled out of the chuck. Reliable sealing and quick disassembly. It is suitable for the connection of plastic pipes and nylon pipes with a working pressure of gas medium less than 1 megapascal and a nominal diameter of less than 10mm.
② Quick twist type. During installation, the ferrule is sleeved on the joint body, and then on the plastic pipe, and then the ferrule is pulled to the right, and the plastic pipe is compressed and sealed by the pressing force of the ferrule and the tapered surface of the joint body. When removing, push the ferrule to the left to pull out the plastic tube. Reliable sealing, quick disassembly and assembly and low cost. It is suitable for the connection of plastic pipes with a working pressure of gas medium less than 0.8 MPa and a nominal diameter of 8 mm or less.

2. Cotton braided hose connector. Working principle and characteristics: the joint part uses a metal clamp to clamp the cotton hose on the joint core, and the nut is used to connect the joint core to the joint body. It is connected and sealed by the tightening effect of the core inserted into the rubber tube, the clamping force of the clamp, and the pressing force of the two cone surfaces of the joint core and the pipe joint body. Good processability, reliable sealing, and laborious disassembly. Suitable for pipeline connection with gas medium working pressure less than 1 MPa.

3. Non-ferrous metal pipe joints. Working principle and characteristics: It is made of non-ferrous metal, mainly copper tube and aluminum tube. The radial force generated by tightening the ferrule of the ferrule joint is used to deform the ferrule and the pipe at the same time, and the pipe can be linked and sealed. , Simple structure, reliable sealing. Suitable for connection of thin-walled metal pipe fittings with a working pressure of less than 1 MPa.

Three types are suitable for different working places and pneumatic tools. Users can choose according to the type of pneumatic tools and their convenience.

What are the types of pneumatic hose fittings? What are the types of pneumatic hose fittings?

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