Center line butterfly valve is a common fluid control device, widely used in various industrial fields. This paper will analyze the structure and working principle of the center line butterfly valve in detail to help readers better understand and apply this technology.
Section 1: The structure of the middle line butterfly valve
The center line butterfly valve consists of the following main components:
1. Valve body: The valve body is the main shell of the butterfly valve, usually made of cast iron, stainless steel and other materials. Inlet and outlet are provided on the valve body to control the flow direction of the medium.
2. Valve disc: The valve disc is a circular valve connected to the valve stem, and is used to control the flow of liquid or gas.
3. Valve stem: The valve stem is a rod-shaped part connected to the valve disc to achieve fluid control by rotating or pushing the valve disc.
4. Valve seat: The valve seat is a ring washer located inside the valve body, sealed with the valve disc to prevent fluid leakage.
5. Sealing ring: The sealing ring is located around the seat to ensure the sealing performance of the valve.
Section two: The working principle of the center line butterfly valve
The working principle of the center line butterfly valve can be briefly summarized as the following steps:
1. Open the valve: By rotating or pushing the valve stem, the valve disc is removed from the seat, allowing the fluid to enter the outlet through the valve body to achieve the opening of the valve.
2. Adjust the flow rate: By controlling the rotation Angle of the valve stem or pushing force, adjust the gap between the valve disc and the seat, thereby controlling the flow rate of the fluid. When the valve opening Angle is small, the flow rate through the fluid is small; When the valve opening Angle is larger, the flow rate through the fluid is larger.
3. Close the valve: When it is necessary to close the valve, rotate or push the valve stem so that the valve disc is closely fitted with the seat to prevent the fluid from passing through the valve and achieve the closing of the valve.
The center line butterfly valve has the following advantages:
1. Simple structure: The structure of the middle line butterfly valve is relatively simple, and the manufacturing cost is low.
2. Flexible switch: The switch operation of the middle line butterfly valve is more convenient, and the fluid can be controlled by rotating or pushing the valve stem.
3. Small flow resistance: Due to the special structure of the valve disc, the fluid resistance of the middle line butterfly valve is small, and the flow capacity is strong.
4. Good sealing performance: the seat sealing ring of the middle line butterfly valve can seal the disc and seat well to reduce fluid leakage.
As a common fluid control device, middle-line butterfly valve has the advantages of simple structure, small flow resistance, flexible switch and good sealing performance. Through the analysis of this paper, readers can better understand and apply the structure and working principle of the center line butterfly valve, so as to achieve accurate control of fluid flow and safe operation.
Post time: Jul-25-2023
