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DELCO VALVE
DELCO Provide Various Optimal Solution For Industrial Valves, Especially For Automatic Control Valves & Manual Industrial Valves etc.
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DELCO Single Seat Pneumatic Control Valve IP65 Low Leakage, Precision Regulate for Petrochemical HVAC Fluid Control Systems
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Inherent Safety: Uses compressed gas, eliminating the need for explosion-proof measures.
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Quick & Adjustable: Rapid response with adjustable opening and closing speeds.
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Precise Control: Regulates flow, pressure, and temperature with on/off or proportional control.
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Durable: Simple design is easy to maintain and resists jamming.
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Wide Range: Operates from PN16 to PN64 and -196℃ to 450℃.
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Versatile: Available in multiple structures, materials, and connections.
Introduction to Pneumatic Globe Control Valves:
Pneumatic control valves operate using compressed gas as their power source, utilizing a cylinder as the actuator. With the assistance of various components such as valve positioners, converters, solenoid valves, check valves, gas tanks, and gas filters, these valves are driven to achieve on/off functions or proportional adjustments. They receive control signals from industrial automation systems to regulate various process parameters in pipelines, including flow, pressure, temperature, and liquid level. Pneumatic control valves are characterized by their straightforward control, quick response, and inherent safety, eliminating the need for additional explosion-proof measures.
The primary benefits of pneumatic control valves include the ease of adjusting their opening and closing speeds, their simple structure, and ease of maintenance. Thanks to the natural cushioning properties of gas, they are less prone to damage from jamming during operation. In certain explosion-proof scenarios, they offer greater reliability compared to electric valves.
Introduction to Pneumatic Control Valves:
| Type | Nominal pressure | Structure | Cooling type | Packing |
| Single-seat, double-seat, sleeve | PN16, PN25, PN40, PN64 | Standard type (-20℃ ~+200℃ ) |
(-40~450℃ ) | V type PTFE, flexible graphite |
| Nominal diameter | Connection | Material | Low-temperature type | Adjustable range |
| DN15-DN300 | Flange, thread, weld (Or other customer specified) |
WCB, 304, 316, 316L | (-60℃ ~-196℃ ) | 50:1 |
| Sealing surface | Basic error | Accessories | Leakage class | |
| PN16 convex surface, PN40, PN63, PN100 | Less than full stroke +-1% (With locator) Less than full | locator, air filter pressure-relief valve, hand wheel device, limit switch, solenoid valve, lock up valve, and others. | Metal seal: Less than 0.01 (ANSI B16.104-1976IV) | Soft seal: Less than 0.00001% |
Air source processor: Combines filtering, pressure reduction, and lubrication functions, ensuring stable outlet pressure. Available in two-piece assemblies for filtering compressed instrument air and three-piece configurations for added lubrication.
Pneumatic solenoid valve: Regulates the opening and closing of pneumatic valves by magnetizing and demagnetizing to direct gas flow based on voltage signals. Offers precise control over valve operations, commonly used for managing gas source and circuit flow.
Limit switch: Detects valve status and outputs signals for open or closed positions. Critical in automatic control systems, confirming and executing subsequent programs, providing valve interlock protection, and indicating remote alarms within the system.
Valve positioner: Crucial for precise control over valve positioning in pneumatic control valves, comparing valve stem displacement and controller output signals, adjusting the actuator output signal accordingly.
Manual device: Complements pneumatic actuator assemblies, facilitating manual or pneumatic operation for butterfly and ball valves with a 90° opening. Ensures versatility and flexibility in valve operation, allowing for manual and automated control as needed.
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Industry-Specific Expertise
We deliver tailored valve solutions for diverse sectors, meeting their unique operational and regulatory needs. -
Engineered for Performance
Our valves are built for durability, precision, and efficiency, optimizing your system's performance and longevity. -
Guaranteed Compliance & Safety
We ensure high standards and certifications, providing reliable and safe solutions that protect your assets and personnel. -
Expert Support & Customization
Benefit from our technical expertise and customization options, ensuring perfect valve integration and optimal functionality for your specific application.
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