PNEUMATIC ACTUATOR OPERATED “OFFSET DISC TYPE” BUTTERFLY VALVE DOUBLE FLANGED END
“aline” Make Pneumatic Actuator Operated Double Offset Disc Butterfly Valve – Double Flanged End Class 150 is engineered for high-performance shut-off and flow control in demanding industrial applications. Designed with a double offset disc, the valve minimizes friction between the disc and seat during operation, resulting in lower operating torque, reduced seat wear, superior sealing performance, and extended service life.
The valve is equipped with a high-performance rack & pinion pneumatic actuator, providing fast, accurate, and reliable quarter-turn automation. The Double Flanged End design offers maximum pipeline strength, secure alignment, and easy installation, making it ideal for medium and large-diameter pipelines handling water, steam, oils, gases, chemicals, and other industrial process media. Manufactured in accordance with ANSI Class 150 standards, this valve delivers dependable performance even under demanding operating conditions.
Product Features:
- Double Offset Disc Design for Reduced Seat Friction
- Double Flanged End Construction for Secure Pipeline Installation
- Suitable for ANSI Class 150 Flanges
- High Performance Rack & Pinion Pneumatic Actuator
- Fast Quarter Turn Automated Operation
- Bubble Tight Shut-Off
- Low Operating Torque
- Longer Seat & Seal Life
- Heavy Duty Construction for Industrial Service
- Corrosion Resistant Materials
- ISO 5211 Direct Mounting Standard
- Available in Double Acting & Spring Return Actuator
Technical Specifications:
| Parameter | Details |
|---|---|
| Product Type | Pneumatic Operated Double Offset Butterfly Valve |
| Valve Design | Double Offset Disc |
| Body Type | Double Flanged End |
| Pressure Rating | ANSI Class 150# |
| Size Range | DN50 to DN800 |
| Operation | Pneumatic Actuator Operated |
| Actuator Type | Rack & Pinion |
| Actuator Action | Double Acting / Single Acting |
| Mounting Standard | ISO 5211 |
| Body Material | WCB / CF8 / CF8M |
| Disc Material | SS304 / SS316 / CF8M |
| Seat Material | NBR / EPDM / PTFE / VITON / METAL |
| Stem Material | SS410 / SS304 / SS316 |
| End Connection | Double Flanged End |
| Temperature Range | -29°C to +250°C (Depending on Seat Material) |
| Working Pressure | ANSI Class 150 |
| Air Supply Pressure | 3 – 8 Bar |
| Face to Face Standard | API 609 |
| Flange Standard | ANSI B16.5 Class 150 |
| Testing Standard | API 598 / ISO 5208 |
Available Accessories:
- NAMUR Solenoid Valve
- Air Filter Regulator (FRL Unit)
- Limit Switch Box
- Electro-Pneumatic Positioner
- Position Feedback Transmitter
- Manual Override Gearbox
- Quick Exhaust Valve
- Speed Control Valve
Applications:
- Oil & Gas Industry
- Petrochemical Plants
- Chemical Processing
- Steam & Thermal Oil Systems
- Power Generation Plants
- Water & Wastewater Treatment
- Marine & Offshore Industry
- Steel & Cement Plants
- Paper & Pulp Industry
- Pharmaceutical Industry
- Food & Beverage Processing
- Mining Industry
- General Industrial Automation