What Is The Pneumatic Actuator Cast Iron Wafer Butterfly Valve？
The DELCO pneumatic actuator cast iron butterfly valve offers versatility with its choice of metal seal or soft seal configurations. It is available with seals made of NBR, EPDM, VITON, and PTFE, catering to different application requirements. With a long service life and reliable sealing performance, this valve ensures durability and efficiency in fluid control operations.
Data Sheet of Valve：
| Actuator Type | Size Range | Working Pressure | Suitable Media | Disc Material |
| Spring Return / Double Acting | DN50-DN400 | 1.0 / 1.6MPa (10 / 16 bar) | Water, Liquids, Gas, Oil, Air, Steam, Corrosive Medium, etc | Aluminum Bronze, Ductile Iron Nickel-Lin |
| Connection | Structure Type | Body Material | Temperature Of Media | Stem Material |
| Wafer | Midline Structure / A Type | Cast iron | -10~180℃ (14℉~356℉) | Nickel-plated steel Lin, SS304, SS316, SS416 |
Pneumatic Actuator Cast Iron Wafer Butterfly Valve Features：
- Available In Spring Return(Single Acting) And Double Acting Pneumatic Actuator.
- High Torque Up To 4678Nm.
- Good Sealing Performance & Long Servise Life.
- Large Size Range From 2″ to 20″.
- High Flows, Low Cost, Compact Design.
- Stainless Steel Material and Cast Iron Material Are Available.
Technical Parameters of Butterfly Valves：
Air source processor: The pneumatic triplet, a vital accessory for pneumatic valves, combines filtering, pressure reduction, and lubrication functions. The pressure reducing valve adjusts inlet pressure to a stable outlet pressure, utilizing the medium’s energy. In two-piece assemblies, it couples with a filter for compressed instrument air filtering. In three-piece configurations, it adds lubrication to the air, ensuring efficient operation.
Pneumatic solenoid valve: The pneumatic solenoid valve, also known as a directional control valve, is a vital component for regulating the opening and closing of pneumatic valves. It functions by magnetizing and demagnetizing, which directs the gas flow based on voltage signals. Commonly employed to manage gas source and circuit flow, these valves offer precise control over valve operations through voltage signals.
Limit switch: The valve limit switch, also called a travel switch, is a critical field instrument in automatic control systems. It detects the valve’s status and outputs signals for open or closed positions. This switch is essential for confirming and executing subsequent programs by programmers. Additionally, it serves as a vital component for valve interlock protection and remote alarm indication within the system. It effectively indicates and provides feedback on mechanical equipment’s movement limit position.
Valve positioner: The valve positioner is a crucial component of pneumatic control valves, enabling precise control over valve positioning. It utilizes the valve stem displacement signal as input feedback and the controller output signal as the control signal. By comparing these signals, any deviation triggers adjustments to the actuator output signal, ensuring a direct correspondence between valve stem displacement and controller output.
Manual device: The manual device is an essential component that complements the pneumatic actuator assembly. It serves to facilitate manual or pneumatic operation for butterfly valves and ball valves with a 90° opening. This mechanism is crucial for ensuring versatility and flexibility in valve operation, allowing for both manual and automated control as needed.
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As a leading manufacturer of industrial valves, we offer a wide range of products. Our product lines include: gate valves, check valves, globe valves, check valves, double plate check valves and high performance butterfly valves. With the most complete multi-turn product line from a single-source manufacturer, our valves are manufactured to the highest quality standards using ultra-modern manufacturing techniques and astute material sourcing.
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