The pneumatic operated butterfly valve is a reliable and efficient flow control solution designed for automated on-off and throttling operations in modern process systems. Driven by compressed air, the valve provides smooth, quick, and precise operation. It is ideal for applications requiring clean control, minimal maintenance, and high durability.
Unlike a standard manual valve, this pneumatic control butterfly valve integrates a high-performance actuator that ensures stable torque output and consistent performance under varying air pressures. It can also be configured as a motorized butterfly valve with actuator, offering versatile control options for different industrial setups.
When observing a butterfly valve with pneumatic actuator working, you'll notice its compact structure, fast rotation, and reliable sealing - all achieved through a simple quarter-turn mechanism. This makes it a perfect choice for automated control systems where safety, efficiency, and precision are essential.
Product Advantages:
Durable Construction
Made from stainless steel or carbon steel with corrosion-resistant coatings.
High Automation Efficiency
The pneumatic butterfly actuator allows rapid response for flow regulation and shut-off.
Compact & Lightweight
Easy to install, maintain, and integrate into complex pipeline systems.
Reliable Sealing
Soft and metal sealing options available for different temperature and pressure conditions.
Custom Configurations
Compatible with limit switches, solenoid valves, and positioners for complete pneumatic control solutions.
Technical Specifications:
| Item | Specification |
| Valve Type | Pneumatic Operated Butterfly Valve |
| Size Range | DN50 – DN1200 (2" – 48") |
| Body Material | Stainless Steel, WCB, Cast Iron |
| Disc Material | SS304 / SS316 / Duplex Stainless Steel |
| Seat Material | EPDM, NBR, PTFE, Metal Seated |
| Working Pressure | PN10 / PN16 / ANSI 150LB |
| Operating Temperature | –20°C to +425°C |
| Actuator Type | Double-acting or Spring-return Pneumatic Actuator |
| Air Supply Pressure | 0.4–0.7 MPa |
| Connection Type | Wafer, Lug, or Flanged End |
| Control Options | Solenoid valve, positioner, limit switch, manual override |
Product Applications:
The pneumatic operated butterfly valve is widely used across:
Water treatment and supply systems – for precise flow control and fast shut-off.
Chemical and petrochemical industries – resistant to corrosive liquids and gases.
Food and beverage production – sanitary designs available for hygienic processes.
Power generation and HVAC systems – ensures reliable air, gas, and steam control.
Pharmaceutical and biotech plants – where cleanliness and automation are critical.
Quality Control:
At WUXI XINMING AUTO-CONTROL VALVES INDUSTRY CO., LTD., quality assurance begins with material inspection and continues through machining, assembly, and performance testing. Each pneumatic butterfly valve undergoes:
- Air leakage testing (0% leakage tolerance)
- Torque and cycle endurance testing
- Pressure and temperature resistance validation
- Surface and coating inspection to ensure corrosion protection
All valves comply with ISO, CE, and ATEX standards, ensuring safe and reliable operation worldwide.
Packaging & Delivery:
Each pneumatic operated butterfly valve is securely packed in a moisture-proof carton and reinforced wooden case to prevent vibration and impact damage during transport. We also provide customized packaging and labeling for export to meet customer logistics requirements.
We ensure fast delivery by sea, air, or express courier according to your project schedule.
After-Sales Service:
Our technical team offers professional support, from model selection to installation guidance. Should any issue arise, our engineers provide quick remote assistance or on-site service. Replacement parts and maintenance kits are always available to ensure your pneumatic control butterfly valve continues operating smoothly.
With over 15 years of experience in valve automation, WUXI XINMING AUTO-CONTROL VALVES INDUSTRY CO., LTD. has become a trusted manufacturer specializing in pneumatic butterfly valves, actuators, and automatic flow control systems. Our production facilities feature CNC machining, precision testing instruments, and advanced assembly lines - ensuring that every valve meets international standards of reliability and performance.
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