Structure and composition

The valve body is the main part of the valve, its structure is complex, mainly composed of the following parts:

1. The inlet end and the outlet end: used to connect the pipeline to realize the circulation of fluid.

2. Valve seat: in contact with the valve flap, used to control the fluid switch.

3. Valve drive device: drive the valve flap movement through the operating device to achieve switching action.

4. Shell and flange: connect the internal parts of the valve into a whole to ensure the normal operation of the valve.

Type

According to the structural form and use requirements, the valve body can be divided into many types, including: globe valve, gate valve, ball valve, butterfly valve, etc. Different types of valve bodies have different characteristics and application ranges.

Materials

The choice of valve body material is directly related to the service life and performance of the valve. Common body materials include cast iron, carbon steel, stainless steel, etc. When selecting materials, you need to consider the nature of the fluid (such as temperature, pressure, corrosion), the use of the environment and other factors.

Application

Specifically applied to the following aspects:

1. Oil and gas: In the process of oil and gas transmission, various types of valves need to be used to control the flow of fluid, of which the valve body is the core component.

2. Chemical industry: In the chemical production process, the valve is used to control the flow of various fluids (such as raw materials, semi-finished products, products, etc.), and the valve body plays a key role.

3. Metallurgy: In the metallurgical industry, valves are used to control the flow of various gases and liquids to ensure the smooth progress of the production process.

4. Power: In the power industry, valves are used to control the flow of water, steam and other fluids to ensure the safe operation of the generator set.

5. Other fields: In addition, the valve body is also widely used in construction, water treatment, pharmaceutical and other fields.

The valve body is an important part of the valve, used to control the flow of fluid. It is widely used in various industrial fields, such as petroleum, chemical industry, metallurgy, electric power, etc.