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The lug-type butterfly valve is a commonly used valve for controlling fluid flow, primarily consisting of a valve body, valve bonnet, valve disc, and actuation mechanism.


Wafer-type butterfly valves are suitable for a wide range of industrial applications, including chemical processing, petroleum, pharmaceuticals, and metallurgy. They are used to regulate the flow of liquids, gases, and steam, and are extensively employed in piping systems.

The lug-type butterfly valve is a commonly used valve for controlling fluid flow, primarily composed of a valve body, valve bonnet, valve disc, and actuating mechanism. It is characterized by its simple structure, light weight, convenient operation, and excellent sealing performance, enabling effective control of fluid flow rate.

Wafer-type butterfly valves are suitable for a wide range of industrial applications, including chemical processing, petroleum, pharmaceuticals, and metallurgy. They are used to regulate the flow of liquids, gases, and steam, and are extensively employed in piping systems.

The operating principle of a lug-type butterfly valve is to regulate fluid flow by rotating the valve disc. When the disc is rotated to the closed position, the sealing ring on the valve seat provides a complete seal, completely blocking the flow of fluid. Conversely, when the disc is rotated to the open position, fluid can pass through the valve smoothly, thereby controlling the flow rate.

In summary, lug-type butterfly valves boast a simple structure, convenient operation, and excellent sealing performance, making them high-performance valve products that are widely used across various industrial sectors.