DELCO Flange Type Pneumatic Actuator Dome Valve
Model: Pneumatic Dome Valve
Size Range: DN15 to DN150
Pressure Range: 16bar to 25bar
Material: Stainless Steel or Carbon Steel
Features of Pneumatic Dome Valves:
- Good sealing: The pneumatic dome valve features a dome-shaped valve plate that tightly fits against the inner wall of the pipeline, ensuring excellent sealing to prevent material leakage.
- Strong wear resistance: The valve plate and sealing components are made of wear-resistant materials, enabling long-term use in harsh environments and reducing the frequency of maintenance and replacements.
- High temperature and pressure resistance: The pneumatic dome valve can withstand high-temperature and high-pressure material transport, exhibiting strong adaptability.
- Automation control: It can be connected to automation control systems for remote control and monitoring, enhancing production efficiency and safety.
- Ease of maintenance: The simple structure of the pneumatic dome valve allows for easy disassembly and maintenance, facilitating routine upkeep.
Data Sheet of Valve：
Actuator Type | Spring Return / Double Acting | Size Range | DN15 to DN150 |
Connection | Flange | Seal Material | EPDM / Metal |
Medium | Air, water, wastewater, oil, mud, etc | Working Pressure | PN16 |
Body Material | Carbon Steel or Stainless Steel 304/316/316L | Temperature Of Media | -10 to 400℃ (14℉ to 752℉) |
Applications of Pneumatic Dome Valve
- Coal and petrochemical industries: Used for diverting, converging, or switching flow direction in pipeline media to ensure smooth process operations.
- Power generation and metallurgy: Commonly employed in pneumatic conveying systems such as ash conveying systems in coal-fired power plants and material transport and control in metallurgical processes.
- Renewable energy: Utilized to control the flow of various media, ensuring stable system operation.
- Food processing and pharmaceuticals: Due to its excellent sealing and easy-to-clean features, it is used to regulate the flow of powders, granules, and other materials, ensuring product hygiene and quality.
- Pneumatic conveying systems: A critical component in pneumatic conveying systems, it is used to cut off or seal flowing material flow, ensuring a 100% fill rate in pressure vessels without relying on level indicators in the supply vessel.
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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