By purpose
1. The pipe fittings used for connecting the pipes are: flanges, live joints, pipe clamps, clamps, ferrules, hose clamps, etc.
2. Pipe fittings that change the direction of the pipe: elbows, elbows
3. Fittings that change the pipe diameter: reducer (reducing pipe), reducing elbow, branch pipe table, reinforcing pipe
4. Increase the pipe branch pipe fittings: three links, four links
5. Pipe fittings for pipeline sealing: gaskets, raw material tapes, linen, blind flanges, pipe plugs, blind plates, heads, welding plugs
6. Pipe fittings for pipeline fixing: snap rings, drag hooks, rings, brackets, brackets, pipe clamps, etc.
By connection
1.Welded pipe fittings
2.Threaded pipe fittings
3.Tube fittings
4.Clamp pipe fittings
5.Socket fittings
6.Bonding pipe
7.Hot-melt pipe fittings
8.Curved elastic double-melting pipe fittings
9.Rubber ring connection pipe fittings