Materials and classification of pipe fittings

What are pipe fittings? What are the common types of pipe fittings?

Pipe fittings overview:
Pipe fittings refer to the parts that connect pipes, pipes, flanges and other equipment. Pipe fittings are widely used in various industries, such as chemical industry, construction, pharmaceutical, shipbuilding and other industries. Depending on different uses and requirements, pipe fittings can use different materials and connection methods.

Pipe fittings are classified by material:
1. Cast iron pipe fittings: Cast iron pipe fittings are mainly used for low-pressure transportation, have good corrosion resistance and wear resistance, and are relatively cheap.
2. Steel pipe fittings: Steel pipe fittings can be used in various media. After special treatment, they can have good corrosion resistance and wear resistance, and the price is relatively high.
3. Stainless steel pipe fittings: Stainless steel pipe fittings have good corrosion resistance and aesthetics, and are usually used in high-demand situations, such as food, medicine and other industries.

4. Plastic pipe fittings: Plastic pipe fittings have good corrosion resistance and electrical insulation and are usually used in electronics, chemical industry and other industries.

Pipe fittings are classified by use:
1. Pipe Elbow: Used to connect the curved part of the pipe, generally divided into 45-degree elbow and 90-degree elbow, which can be selected according to specific needs.
2. Tee: A component used to connect three pipes, used when pipes branch and merge.
3. Cross: A component used to connect four pipes, used in complex piping systems.
4. Pipe Flange: Used to connect pipes, valves and other equipment, with the characteristics of easy disassembly and good sealing.

Pipe fittings are classified according to connection methods:
1. Socket connection: Socket connection refers to inserting the pipe into the center hole of the flange, elbow and other pipe fittings, and fixing it with bolts and nuts.
2. Flange connection: Flange connection refers to the connection through the flange connection surface, which can be fixed with bolts and nuts or clamped with corrugated pipes.
3. Welding connection: Welding connection refers to heating the pipes and then welding them together. It is a connection method with better sealing performance.
4. Clamp connection: Clamp connection refers to using a clamp to clamp two pipes to form a seal. It is usually used for smaller pipe diameters.

Precautions:
When selecting and using pipe fittings, you need to pay attention to the following points:
1. Choose the correct material and connection method according to different media, temperature, pressure and other requirements.
2. Check whether the pipe fittings are intact before use to prevent problems such as poor sealing or water leakage.
3. Pay attention to the diameter and wall thickness of the pipe and select appropriate pipe fittings.
4. Pay attention to safety during the installation process to avoid accidents caused by improper operation or improper use.

Conclusion:
This article introduces the classification of pipe fittings in terms of materials, uses, connection methods, etc., so as to better understand and understand the composition and use of pipe fittings. In modern industrial production, pipe fittings are an indispensable part of connecting pipelines and have important practical and economic value.