The plug valve, as an important type of industrial valve, holds a significant position in various industries due to its unique structure and operational characteristics. It controls the flow or shutdown of fluids by rotating a cylindrical or conical plug. With its excellent sealing performance and ease of operation, it is widely used in fields such as petroleum, natural gas, chemicals, and water treatment, especially in applications requiring quick fluid cutoff or direction switching.

1. Petroleum and Natural Gas Industry

In the oil and gas industry, plug valves are widely used in transportation systems, gas and oil processing units, and various pipelines. These industries have very high requirements for the pressure resistance and sealing performance of valves to prevent media leakage and ensure system safety. Due to their simple structure and strong sealing capability, plug valves are well-suited to handle the corrosive media or particulate impurities that may be present in oil and gas, avoiding issues like friction and jamming during operation. Their simple maintenance makes them suitable for the high-pressure, highly corrosive working environments commonly found in the oil and gas industry.

2. Chemical Production

In the chemical industry, the plug valve demonstrates excellent performance in environments with highly corrosive, easily crystallizing, or sediment-forming media, thanks to its corrosion-resistant materials and unique internal design. The fluids in chemical processes are often corrosive or viscous, and the plug valve effectively reduces the erosion and sedimentation issues caused by the media, ensuring stable operation. Additionally, its high sealing capability makes it an ideal choice for highly corrosive environments, providing a safe and efficient fluid control solution for chemical production.

3. Municipal Engineering and Water Treatment

In municipal engineering and environmental protection water treatment systems, the plug valve is also an important component. Municipal water supply and wastewater treatment pipelines often require quick opening and closing and flow regulation. The plug valve, with its low fluid resistance, can effectively control flow, reduce energy consumption, and simplify subsequent maintenance. In highly corrosive wastewater treatment environments, the durability of the plug valve has also been fully proven.

4. Power and Thermal Systems

The plug valve is also widely used in power and thermal systems for controlling cooling water, steam, and circulating fluids, offering reliable sealing and quick opening and closing functions. Power and thermal systems have high demands for valves' temperature and pressure tolerance. The plug valve not only responds quickly but can also withstand high temperatures, making it one of the key valves in ensuring system operation efficiency.