Pneumatic Actuated Butterfly Valve Supplier in India
In systems where quick response and reliable shut-off are required, pneumatic actuated butterfly valves are widely used for automated flow control. These valves combine the compact design of butterfly valves with the efficiency of pneumatic actuators, making them suitable for both isolation and throttling applications.
As a Pneumatic Actuated Butterfly Valve Supplier in India, these valves are supplied for applications where rapid operation, fail safe functionality, and consistent performance are essential. Their ability to operate using compressed air makes them ideal for hazardous environments and process industries.
How Pneumatic Actuated Butterfly Valves Work
Pneumatic actuated butterfly valves use compressed air to drive the actuator, which rotates the valve shaft. This rotation moves the disc inside the valve body, controlling the flow of the medium.
When the actuator receives a signal, it adjusts the air pressure to position the disc accordingly. The disc can be fully open, fully closed, or partially open for throttling, depending on the system requirement. In case of air supply failure, the valve shifts to a predefined fail safe position.
Benefits of Pneumatic Actuated Butterfly Valves
- Quick operation suitable for dynamic process conditions
- Compact and lightweight design for easy installation
- Reliable performance in hazardous and explosive environments
- Low torque requirement compared to other valve types
- Suitable for both isolation and throttling applications
- Minimal maintenance with durable construction
Types of Pneumatic Actuated Butterfly Valves
Pneumatic Actuated Lug Butterfly Valve
Designed for applications requiring independent pipeline section isolation and easy maintenance.
Pneumatic Actuated Wafer Butterfly Valve
Compact design suitable for installation between flanges in space-limited systems.
Pneumatic Actuated Flanged Butterfly Valve
Provides secure connection and stability in high-pressure and critical applications.
Design Standards
Pneumatic actuated butterfly valves are manufactured in compliance with international standards to ensure performance and reliability:
- API 609
- ASME B16.34
- EN 593
- BS 5155
Inspection and Testing Standards
Valves are tested to confirm sealing performance and operational integrity:
- API 598
- ISO 5208
- EN 12266-1
Body and Trim Material Compatibility
| Material | Grade | Applications |
|---|---|---|
| Cast Iron | GG25 | Water and general utility systems |
| Ductile Iron | GGG40 | Water treatment and distribution |
| Carbon Steel | WCB, WCC | Oil and gas and industrial service |
| Stainless Steel | F304, F316, F316L | Corrosive and chemical environments |
| Duplex Steel | F51, 2205 | Offshore and seawater systems |
| Super Duplex Steel | F53, F55, 2507 | High chloride and aggressive media |
| Aluminium Bronze | C95400, C95800 | Marine and desalination applications |
Industries Served
- Oil and Gas: Flow control and isolation in pipelines
- Power Generation: Cooling water and auxiliary systems
- Water and Wastewater: Distribution and treatment networks
- Chemical and Petrochemical: Handling process and corrosive fluids
- Marine and Offshore: Seawater and offshore applications
- Metal and Steel: Cooling systems and utility lines
Special Features
- Pneumatic actuator options with spring return and double acting design
- Fail safe operation for improved process safety
- Compact valve design for space-efficient installation
- Suitable for automated control systems
- Low operating torque for efficient performance
- Available in various pressure ratings and sizes
