How does the electric wafer butterfly valve achieve precise fluid control?

The electric wafer butterfly valve is a device that drives the valve plate to rotate through an electric actuator to control the fluid flow. Its core components include valve body, valve plate, electric actuator and sealing assembly.
Valve body: Usually made of high-quality cast steel, stainless steel or alloy steel materials to ensure the strength and corrosion resistance of the valve. The valve body is designed as a wafer type, that is, the two ends of the valve body are connected to the pipeline through flanges. This structure is compact and easy to install, and is suitable for various pipeline systems.
Valve plate: The valve plate is a key component of the electric wafer butterfly valve, usually made of lightweight and high-strength materials such as stainless steel or aluminum alloy. The valve plate has various design shapes, including centerline type, double eccentric type and triple eccentric type, etc., to meet different fluid control needs. The valve plate is connected to the electric actuator through a shaft. When the electric actuator receives a control signal, it will drive the valve plate to rotate within the range of 0° to 90°, thereby changing the cross-sectional area of ​​the fluid channel and realizing the regulation of the fluid flow.
Electric actuator: The electric actuator is the power source of the electric wafer butterfly valve, which is usually composed of a motor, a reducer, a position sensor and a control circuit. The electric actuator receives signals from the control system, drives the reducer through the motor, transmits the rotational motion to the valve shaft, and then drives the valve plate to rotate. The position sensor monitors the position of the valve plate in real time to ensure control accuracy. The control circuit is responsible for receiving instructions, controlling the operation of the motor and providing protection functions.
Sealing components: The sealing performance of the electric wafer butterfly valve is crucial. The sealing components usually include valve seats and sealing rings, which are made of elastic materials such as rubber, polytetrafluoroethylene, etc. to ensure that the valve plate fits tightly with the valve seat during rotation to prevent fluid leakage.

The precise fluid control of the electric wafer butterfly valve is mainly reflected in the following aspects:
The fast response of the electric actuator: The electric actuator adopts advanced motor and reducer design, and has the characteristics of fast response speed and high control accuracy. When the control system issues an instruction, the electric actuator can respond quickly, drive the valve plate to rotate to the specified position, and realize rapid adjustment of the fluid flow.
Precise control of valve plate rotation angle: The valve plate rotation angle of the electric wafer butterfly valve is in the range of 0° to 90°. Through the precise control of the electric actuator, the valve plate position can be fine-tuned. This means that whether it is full open, full closed or fine-tuning of the intermediate position, the electric wafer butterfly valve can accurately achieve it, thereby meeting the precise control requirements of fluid flow in complex process flows.
Guarantee of sealing performance: The sealing components of the electric wafer butterfly valve are made of high-quality materials with good elasticity and wear resistance. During the rotation of the valve plate, the sealing components can ensure the close fit between the valve plate and the valve seat to prevent fluid leakage. The electric wafer butterfly valve also has an automatic compensation function, which can compensate for changes in the sealing gap caused by factors such as temperature changes and pressure fluctuations, ensuring long-term stable sealing performance.
Application of intelligent control technology: With the continuous development of intelligent control technology, the electric wafer butterfly valve has achieved seamless docking with automatic control systems such as PLC and DCS. By integrating sensors, communication interfaces and intelligent control algorithms, the electric wafer butterfly valve can monitor fluid parameters (such as pressure, temperature, flow) in real time and feed back data to the control system. The control system automatically adjusts the opening of the electric wafer butterfly valve according to the preset control strategy to achieve intelligent control of the fluid flow.

Electric wafer butterfly valves have been widely used in many industrial fields due to their efficient and precise control characteristics.
Chemical and petrochemical industries: In the chemical and petrochemical industries, electric wafer butterfly valves are widely used in corrosive, high-temperature and high-pressure media control. Its excellent corrosion resistance, sealing and rapid response capabilities ensure the safety and stability of the production process.
Water treatment and environmental protection fields: In the water treatment and environmental protection fields, electric wafer butterfly valves are used to control the flow and pressure of water flow and participate in environmental protection processes such as sewage purification and water resource recovery. Its precise flow regulation capability and stable sealing performance help improve water treatment efficiency and water resource utilization.
Food and beverage industry: In the food and beverage industry, electric wafer butterfly valves need to meet strict hygiene standards and cleaning requirements. Its smooth inner wall design, easy-to-clean characteristics and aseptic operation capabilities ensure the safety and quality of the product.
Energy and power industry: In the energy and power industry, electric wafer butterfly valves are used to control the flow and pressure of fluid media to ensure the stability and safety of energy supply. Its rapid response capability and precise control accuracy help improve energy utilization efficiency and reduce operating costs.