4 Common connection methods for carbon steel pipes:
1. Threaded connectionThreaded connection, also known as threaded joint, is a connection method that uses the friction generated by threads to tighten pipes. It is divided into two types: internal threads and external threads.
Applicable scenarios: Suitable for low-pressure, non-corrosive, non-explosive gray water, gas and other transportation occasions.
2. Welding connection
Welded connection is the most common method of connecting carbon steel pipes. It can be divided into various methods such as electric welding, gas welding and submerged arc welding. Electric welding generally uses manual arc welding and gas shielded welding. Gas welding, also called fire welding, is a form of manual welding. Submerged arc welding is generally used for long-distance transportation pipelines and is an efficient and highly automated method.
Advantages: The welded connection is tight and reliable, the force is uniform, and it can withstand high pressure. It is suitable for high-pressure, high-temperature, high-flow and high-viscosity fluid transportation.
Disadvantages: The welding process is relatively complex, requiring experienced welders, corresponding equipment and materials, and high cost.
Applicable scenarios: Suitable for occasions with strict transportation requirements and high sealing requirements, such as petroleum, chemical industry, electric power and other industries.
3. Flange connection
Flange connection is a connection method in which the flanges at both ends are fitted and bolts are used to fasten the flanges together.
Advantages: The flange connection is tight and reliable, easy to operate, reusable, and suitable for high-pressure and high-temperature transportation.
Disadvantages: The installation process is relatively complicated and requires the use of professional tools and operations, which increases the cost to a certain extent.
Applicable scenarios: Suitable for high temperature and high pressure transportation, such as thermal transportation, chemical industry and petroleum pipelines.
4. Clamp connection
In short, when choosing the connection method of carbon steel pipes, it is necessary to reasonably select the most suitable connection method based on comprehensive considerations such as specific use occasions, requirements, and economic factors.
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