Plug valve is a kind of valve that controls the opening and closing of the fluid passage or regulates the flow rate by rotating the stem to drive the plug body (plug) to rotate in the valve body. Its simple structure, flexible operation, good sealing performance, strong flow capacity, widely used in many fields, the following is a summary of the application of plug valves:

Industrial field

Petrochemical industry: plug valves are usually used to control the flow of petroleum, chemicals, liquids and gases and other media, and have a large number of applications in all stages of the production process.
Chemical industry: plug valves are suitable for controlling corrosive media, high temperature and high pressure media, as well as viscous materials, etc., and have a wide range of applications in the chemical process.
Power industry: plug valves can be used to control the relevant equipment and systems in the fluid medium.
Paper industry: plug valves are widely used in papermaking machinery systems, used to control the flow of pulp, to ensure the normal operation of the machine.

Water treatment and water supply and drainage system

Plug valves can control the import and export of sewage and flow, applicable to a variety of sewage treatment equipment. At the same time, in the water supply and drainage system, plug valves are also often used as pipeline cut-off valves to control the flow of water or gas.

Food and Pharmaceutical

In the food and pharmaceutical industry and other sanitary requirements of high occasions, you can choose stainless steel or special material plug valves to ensure the purity of the fluid.

Small applications and special occasions

Automotive maintenance: Plug valves can be used for draining engine oil or coolant, as well as for hydraulic fluid replacement in brake systems.
Small irrigation systems: Plug valves may be found in some small horticultural irrigation systems, especially in fine irrigation scenarios where drip volume needs to be regulated.
Chemical laboratories: Plug valves can be used to finely control the flow of liquids or gases in laboratory environments where a high degree of control is required.
Traditional Faucets: In some traditional designs, plug valves may be used inside kitchen and bathroom faucets to provide fine adjustment of flow rate.

Large-scale engineering projects

Plug valves are also widely used in large-scale engineering projects, such as the China-Russia Eastern Natural Gas Pipeline Project, the Liaohe Oilfield Shuangtaizi Gas Storage Reservoir Project, and Sinopec's E'ancang Gas Transmission Pipeline Phase I Project, etc. All of these projects use different specifications and types of plug valves to meet their specific fluid control needs.

In summary, plug valves play an important role in many fields due to their unique structure and working principle. With the continuous progress of technology and changes in market demand, the application range of plug valves will be further expanded.