Pneumatic Actuated Butterfly Valve

Pneumatic Butterfly Valve: A pioneer in intelligent pipeline flow control driven by air source
Youdaoplaceholder0 Actuated Butterfly Valve uses compressed air as power to drive the Valve Plate to act, achieving rapid opening and closing and precise regulation of pipeline fluids. With its efficient response and stable performance, it has become the core of flow control in automated pipeline systems. It is associated with Rubber Expansion Joint, Bellow Expansion Joint, Flexible Metal Hose, Dismantling Joint, Flange Adaptor , Duckbill Check Valve and other accessories work in synergy to provide efficient flow control solutions for fields such as industrial automation and municipal intelligent pipe networks. ​
Driving advantage: The "Quick responder" of air-source power
Youdaoplaceholder0 Actuated the core advantage of Butterfly Valve lies in the efficient response capability brought by Pneumatic drive. The compressed air drives the actuator to rotate the valve plate. The rapid switching at an Angle of 0-90 degrees can achieve the instantaneous on-off of the fluid. This response speed far exceeds that of manual valves and is particularly important in emergency shut-off scenarios. In the raw material conveying pipeline of the chemical production line, it can be used in conjunction with the Duckbill Check Valve. The former can quickly cut off the leaking medium, while the latter prevents the backflow of the medium. The two are connected through the Flange Adaptor, building a double defense line for safe production. ​
The stability of pneumatic drive makes it suitable for high-frequency operation scenarios. When used in conjunction with Rubber Expansion Joint, the valve can precisely adjust the flow rate to adapt to the changes in equipment load, and the rubber expansion joint absorbs pipeline vibration to prevent vibration from affecting the sealing performance of the valve. In the aeration system of sewage treatment, the pneumatic butterfly valve frequently regulates the aeration volume. Combined with the Flexible characteristics of the Flexible Metal Hose , it can adapt to the tiny sedimentation displacement of the aeration tank and ensure uniform and stable aeration. ​
Structural performance: A precisely regulated "sealing guarantee body"
Youdaoplaceholder0 Actuated Butterfly Valve continues the simplicity and efficiency of Butterfly Valves. It is composed of Valve Body , valve plate, Pneumatic actuator, sealing assembly, etc. The streamlined valve body reduces fluid resistance, which is consistent with the low flow resistance design concept of Bellow Expansion Joint. In water supply pipelines, the combination of the two can reduce the energy consumption of water pumps and improve the operational efficiency of the system. High-quality sealing components ensure zero leakage when the Valve is closed. Its sealing performance is comparable to the Check seal of Duckbill Check Valve. In food processing pipelines, food-grade sealing materials are combined with food-grade Rubber of Rubber Expansion Joint. Sanitary grade connection is achieved through Flange Adaptor. ​
The precise control capability of pneumatic actuators enables more precise flow regulation. The stepless positioning of the valve plate can be achieved by adjusting the air source pressure, and the flow rate can be precisely controlled. This feature has obvious advantages in the air conditioning water system - the pneumatic butterfly valve regulates the chilled water volume, and the Bellow Expansion Joint compensates for the thermal displacement of the pipeline. The Dismantling Joint facilitates the later maintenance and calibration of the valve. The three work together to enhance the energy efficiency and stability of the air conditioning system. ​
Scene Adaptation: The "Regulatory Main Force" of Automation Systems
Youdaoplaceholder0 Actuated Butterfly Valve is widely used in automated piping systems, and the intelligent pipe network of municipal water supply is its "main battlefield". It can adjust the water supply volume of each area through remote control, and adapt to pipes of different diameters with the Flange Adaptor. The addition of Dismantling Joint facilitates the regular maintenance of the valve, and the Bellow Expansion Joint compensates for the thermal expansion and contraction of the pipeline to ensure the stability of the water supply pressure. ​
In the steam pipes of industrial boilers, the Pneumatic Actuated Butterfly Valve regulates the steam flow to match the boiler load. The high-temperature sealing components, in combination with the high-temperature resistant metal material of Bellow Expansion Joint, can withstand the high-temperature and high-pressure environment of steam. The explosion-proof design of the pneumatic actuator makes it suitable for flammable and explosive environments. In the oil and gas transportation pipeline, it is combined with the anti-static Hose of Flexible Metal Hose and achieves explosion-proof connection through Flange Adaptor to ensure the safety of oil and gas transportation. ​
In the automated system of agricultural irrigation, the pneumatic butterfly valve controls the irrigation water volume of the branch pipe. It cooperates with the Flexible Metal Hose field pipeline to adapt to the terrain changes, and the Rubber Expansion Joint absorbs the water hammer impact when the water pump starts, reducing the damage to the valve. The remote control function can achieve precise timing and quantification of irrigation, significantly enhancing agricultural production efficiency. ​
System Synergy: The "Efficiency Multiplier" of Accessory Linkage
In a complete piping system, the synergy of Pneumatic Actuated Butterfly Valve with other fittings is significant. In the chemical circulating water system, it regulates the cooling water flow, the Rubber Expansion Joint absorbs the vibration of the circulating pump, and the Bellow Expansion Joint compensates for the thermal displacement of the pipeline. The three are connected through the Flange Adaptor to form a stable water circulation control network. ​
In the ventilation and dust removal system, the pneumatic butterfly valve regulates the air volume to adapt to the change of dust concentration. It compensates the displacement of the air duct with the Fabric Expansion Joint and connects the dust removal branch pipe with the Flexible Metal Hose to jointly improve the dust removal efficiency. In the drainage and flood prevention system, it works in conjunction with the Duckbill Check Valve. The former controls the flood drainage flow, while the latter prevents backflow of the tide. The Dismantling Joint facilitates valve maintenance before the flood season, ensuring reliable emergency drainage. ​
Youdaoplaceholder0 Actuated Butterfly Valve, with its pneumatically driven efficient response and precise regulation characteristics, has become a core component of automated piping systems. It works in coordination with various Pipe Fittings , providing reliable flow control solutions for automated pipeline systems in municipal, industrial, agricultural and other fields through its comprehensive advantages of rapid response, stable sealing and fine regulation, promoting the development of pipeline systems towards greater intelligence and efficiency. ​

Pneumatic flange butterfly valve is composed of a rubber-sealed butterfly valve, carbon steel or stainless steel valve plate, and stem. It is suitable for applications in water supply and drainage, gas pipelines, etc., in industries such as food, chemical, petroleum, power, textile, and paper, where it serves to regulate flow and intercept media at temperatures ≤80～120℃.

Pneumatic butterfly valves utilize a circular disk that rotates with the valve stem to achieve opening and closing actions. Primarily serving as on-off valves, they can also be designed to perform regulating functions or combine on-off and regulating capabilities. These valves are increasingly applied in low-pressure, large-diameter pipelines.

The butterfly type valves feature simple structure, compact size, lightweight design, and consists of only a few components. With just a 90° rotation, it enables rapid opening/closing and simple operation, while maintaining excellent fluid control characteristics. When fully open, the disk thickness represents the sole resistance to media flow through the valve body, resulting in minimal pressure drop and superior flow control performance.

Two sealing configurations are available: resilient seat and metal seat. For resilient-sealed valves, the sealing ring can be either embedded in the valve body or attached to the perimeter of the disk.