The Pneumatic Operated Butterfly Valve is a premier automated flow control solution designed for rapid, reliable, and remote operation in industrial piping systems. By integrating a high-cycle pneumatic actuator with a high-performance butterfly valve, this assembly allows for instantaneous "On-Off" or modulating control of liquids, gases, and slurries.
Engineered for efficiency, this automated valve eliminates the need for manual intervention, making it the industry standard for process automation, safety shut-off systems, and high-frequency cycling environments.
Key Features & Benefits:-
- Rapid Automated Response: Powered by compressed air, the pneumatic actuator provides near-instantaneous 90-degree rotation, essential for emergency shut-downs and precision batching.
- Fail-Safe Reliability: Available in Spring Return (Single Acting) configurations to ensure the valve automatically returns to a "Fail-Open" or "Fail-Closed" position in the event of air pressure loss.
- High-Cycle Durability: The actuator is designed for millions of cycles with minimal maintenance, featuring a hard-anodized aluminum body and pre-lubricated seals for long-term service.
- NAMUR & ISO 5211 Standardized: Features a standardized mounting pad and accessory interface, allowing for the easy addition of solenoid valves, limit switches, and positioners.
- Space-Saving Design: The compact profile of the butterfly valve combined with a rack-and-pinion actuator requires significantly less space than automated gate or globe valves.
Technical Specifications:-
| Feature |
Specifications |
| Size Range |
2" to 48" (DN50 – DN1200) |
| Actuator Type |
Rack & Pinion (Double Acting or Spring Return) |
| Air Supply Pressure |
3 Bar to 8 Bar (45 to 115 PSI) |
| Body Styles |
Wafer, Lugged, or Double Flanged |
| Materials |
Ductile Iron, WCB (Cast Steel), Stainless Steel (CF8M) |
| Seat Options |
EPDM, Nitrile (NBR), Viton (FKM), PTFE (Teflon) |
| Control Accessories |
5/2 or 3/2 Solenoid Valve, Limit Switch Box, Electro-Pneumatic Positioner |
Target Industrial Applications:-
The Pneumatic Butterfly Valve is a critical component in automated industrial sectors:
- Chemical & Petrochemical: Automated handling of aggressive fluids and hazardous chemical lines.
- Water & Wastewater: Remote control of filtration systems, pumping stations, and effluent treatment.
- Food & Beverage: Rapid cycling for automated bottling lines, mixing tanks, and cleaning systems (CIP).
- HVAC & Power Plants: Automated regulation of cooling water towers and large-scale climate control systems.
- Pneumatic Conveying: Controlling the flow of air and light bulk solids in vacuum or pressure systems.
Why Choose Pneumatic Automation?
While electric actuators are suitable for slower operations, Pneumatic Operated Butterfly Valves excel in speed and safety. They are inherently explosion-proof (ATEX compatible), making them safer for volatile environments. Furthermore, the simplicity of the pneumatic piston design offers a lower total cost of ownership (TCO) due to reduced electrical infrastructure and easier field maintenance.
