Which valves are classified as special valves?

Jul 12, 2026 Leave a message

Specialty valves include safety valves, pressure reducing valves, control valves, and special-purpose ball valves.

 

Specialty valves are a class of valves with specific functions and uses, different from common pipeline valves. They are typically used in specific industrial fields or application scenarios to meet special operational and management requirements.

 

Safety valves are a type of specialty valve whose main function is to automatically open and relieve pressure in pressure equipment or pipelines when the medium pressure exceeds a predetermined value, ensuring the safe operation of the equipment and pipelines. They are widely used in boilers, pressure vessels, pipeline systems, and other similar applications.

 

Pressure reducing valves are also a type of specialty valve. Their main function is to reduce the inlet pressure to a desired outlet pressure and automatically adjust when the outlet pressure changes, ensuring that the outlet pressure remains within a stable range. Pressure reducing valves are widely used in pneumatic and hydraulic systems.

 

Control valves are a type of specialty valve that achieves precise control of fluid flow by receiving control signals. They are widely used in automation systems, such as in the petrochemical, power, and metallurgical industries.

 

In addition to the above-mentioned common specialty valves, there are also some special-purpose ball valves, such as high-temperature ball valves, low-temperature ball valves, and corrosion-resistant ball valves. These ball valves are designed for specific operating environments and requirements, offering excellent sealing and switching performance.

 

Specialty valves include various types, such as safety valves, pressure reducing valves, control valves, and special-purpose ball valves. These valves play an irreplaceable role in their respective fields, meeting specific operational and management needs and improving system safety and stability.

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