Pipe fittings used for connecting pipes to each other include: flanges, unions, pipe clamps, band clamps, sleeve couplings, and worm gears, etc.

2. Pipe fittings for changing direction: elbows, bends

3. Fittings for changing pipe diameter: Reducing ( reducers), Reducing Elbows, Branch Tee, Reinforcement Pipe

4. Increase pipeline branch fittings: tees, fourways

5. Pipe fittings for sealing: gaskets, plumber's tape, hemp rope, blind flanges, pipe caps, blank flanges, caps, and welding plug.

6. Pipeline fixing fittings: clamps, hooks, rings, brackets, supports, pipe hangers, etc.