China Three-Eccentric Butterfly Valve Enhance Pipeline System Performance

I. Design principle

The design of the three eccentric butterfly valves is based on three major concepts of eccentricity: axial eccentricity, radial eccentricity, and angle bias. This design enables the butterfly valve to achieve more accurate and reliable control during the opening and closing process.

1. Axial eccentricity: The center of the valve axis deviates from the center of the valve board, so that the valve board can quickly get out of the valve seat when the valve board is turned on and reduce wear.
2. Radial eccentricity: The center line of the valve body does not coincide with the center line of the valve seat, which increases the contact area between the valve board and the valve seat, and improves the sealing performance.
3. Corner eccentric: The rotation axis of the valve seat and the valve channel axis form an angle bias, which further optimizes the seal trajectory of the valve board and ensures a better sealing effect.

II. Structural characteristics

The structure of the three eccentric butterfly valves is mainly composed of valve body, valve board, valve stem, and sealing ring. Each part is carefully designed to ensure the efficient operation and long -term stability of the valve.

1. Valve Body: Make cast iron or stainless steel, with valve seats inside, for supporting valve boards and installation sealing rings.
2. Valve board: The valve board is the core component of the butterfly valve. Its shape is similar to butterflies. It is made of high -intensity materials such as stainless steel to withstand high pressure and high temperature environment.
3. Valve stems: The valve stem is used to control the opening and closing of the valve board, which is usually made of stainless steel to ensure the reliability and durability of the operation.
4. Sealing ring: The sealing ring is a key component to ensure the performance of the valve seal. It is usually between the valve body and the valve board. It ensures that the valve seat can be fully fitted when the valve board is closed to prevent the medium leakage.

III. Application advantage

The application of the three -oriented butterfly valve in the industrial pipeline system brings multiple advantages:

1. Improve the sealing performance: The three -eccentric design ensures that the valve is tightly sealed when closed, and it is suitable for occasions that require high sealing performance.
2. Reduce operation torque: Due to the eccentric design, the torque required when the valve is turned on and closed is less, reducing energy consumption and operating costs.
3. Reduce wear: The contact method of the valve board and the valve seat reduces mechanical wear and extend the service life of the valve.
4. Suitable for a variety of media: Three -oriented butterfly valves can be applied to the transportation and control of various industrial fluids such as water, steam, oil, and corrosive media.

The design and application of the three -eccentric butterfly valve is of great significance to improving the performance of the industrial pipeline system. Its unique eccentric structure and optimized sealing performance have made it widely applied in the fields of oil, chemical, metallurgy, hydropower and other fields. With the continuous advancement of industrial technology, the design and manufacturing of the three -eccentric butterfly valve will continue to develop in a more efficient and reliable direction.