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Pneumatic Wafer Butterfly Valve - Double Acting, China Suppliers & Factory - DN40-DN600, PN6/PN10/PN16
| Valve Type: | Wafer butterfly valve | Structure: | Concentric |
| Standard: | EN593 | Workmanship: | Investment casting |
| Sealing direction: | Bidirectional | Sealing grade: | Zero leakage |
| Temperature: | -20°C < T < 120°C | Operation: | Pneumatic |
Characteristics
Pneumatic butterfly valves are powered by compressed air. As compressed air enters the pneumatic actuator, it drives internal components such as pistons or rack and pinion mechanisms to move, which in turn rotates the valve stem and butterfly disc to open or close the valve. The integration of a valve positioner enables precise control over the butterfly disc's rotation angle, allowing for accurate regulation of pipeline media parameters including flow rate and pressure.
Advantages
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Flexible Operation Pneumatic actuators respond quickly, can achieve rapid opening and closing, and can be integrated with automation systems for remote control.
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Low Flow Resistance When the butterfly plate is opened, the effective flow area is large, and the resistance when the medium flows through is small, which is conducive to energy conservation.
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Wide Material Selection Suitable valve body and seal materials can be selected according to the characteristics of different media to meet requirements such as corrosion resistance and temperature resistance.
Packing
Standard export wooden case packaging
Application Scenarios
The pneumatic wafer butterfly valves have a broad application scope spanning municipal engineering, industrial manufacturing, and public utility systems. Primarily designed for the on-off control and flow regulation of fluid media, they are particularly well suited for applications with space constraints and automated operation requirements.
Frequently Asked Questions
Q
What is a pneumatic wafer butterfly valve and how does it work?
A pneumatic wafer butterfly valve is a flow control device powered by compressed air. When compressed air enters the pneumatic actuator, it drives pistons or rack and pinion mechanisms to rotate the valve stem and butterfly disc, thereby opening or closing the valve. A valve positioner can be integrated to precisely control the disc's rotation angle for accurate flow and pressure regulation.
Q
What temperature range is this pneumatic wafer butterfly valve suitable for?
This valve is designed to operate within a temperature range of -20°C to 120°C, making it suitable for a wide variety of industrial and municipal applications involving both cold and moderately high-temperature media.
Q
What sealing performance does this valve offer?
The valve features bidirectional sealing with a zero-leakage sealing grade, ensuring a tight and reliable seal in both flow directions. This makes it ideal for applications where media containment and system integrity are critical.
Q
What are the main advantages of choosing a pneumatic butterfly valve over manual alternatives?
Pneumatic butterfly valves offer faster response times, enabling rapid opening and closing. They can be seamlessly integrated with automated control systems for remote operation, reducing manual labor. Additionally, their low flow resistance helps conserve energy, and a wide range of materials can be selected to handle corrosive or temperature-sensitive media.
Q
In which industries or applications are pneumatic wafer butterfly valves commonly used?
These valves are widely used across municipal engineering (water supply and drainage), industrial manufacturing (chemical, food processing, HVAC), and public utility systems (fire protection, power generation). They are especially well suited for environments with limited installation space and where automated, remote operation is required.
Q
How is the pneumatic wafer butterfly valve packaged for export?
The valve is packaged in standard export wooden cases, which are designed to provide robust protection during international shipping and handling. This ensures the product arrives in perfect condition regardless of the transportation conditions.