FAT-D-CF Pneumatic Stainless Steel Flanged PTFE Fluorine Lining Butterfly Valve
FAT-D-CF Pneumatic Stainless Steel Flanged PTFE Fluorine Lining Butterfly Valve
The Pneumatic Stainless Steel Flanged PTFE Fluorine Lining Butterfly Valve features a PTFE-lined stainless-steel body for strong corrosion resistance and tight sealing, ensuring long service life and low maintenance, verified by API 598 and EN 12266-1 standards.
| Size Range | DN50–DN600 (2″–24″) |
| Working Pressure Range: | PN10 / PN16 (150 PSI) |
| Working Temperature Range: | –20 °C ~ +180 °C |
| Body Material: | Stainless Steel (CF8 / CF8M) with PTFE lining |
| Connection Type: | Flanged |
| Applicable Medium: | Acids, alkalis, chlorine, seawater, corrosive gas, chemical solvents |
| Actuator Type: | Double-acting or spring-return pneumatic actuator |
| Voltage Options | 24 V DC / 110 V AC / 220 V AC |
| Design Standard | ISO 5211, API 609, EN 593 |
| Testing Standard | API 598 / EN 12266-1 |
| Fire-Safe Design | Not fire-safe |
| Certification | CE / RoHS / ISO 9001 / IP65 (Actuator) |
| Customization | Above Are Standard Parameter Samples. If You Have Specific Parameters And Materials, We Can Customize Them All. |
| Series | AT | AW | Linear | Pneumatic Cylinder | Sanitaire |
|---|---|---|---|---|---|
| Valve Body | Ball valve, butterfly valve, plug valve | Gate valve, Global valve | Knife gate valve | Sanitary butterfly valve | |
| Fonction | Double Acting, Single Acting (Failure Resetting FO or FC) | ||||
| Accessoires de commande |
• Solenoid Valve, Filter Regulator Lubricator (F.R.L.), Positioner, Limit Switch, Handwheel • Solenoid Valve & Positioner are with Explosion-proof grade and Signal Feedback type for choice | ||||
| Operating Medium |
Clean and dry or lubricated air or inert gas. Any non-corrosive gas that is compatible with the internal parts of the actuator and the lubricant. The dew point temperature of the operating medium is -20°C, and the size of impurity particles is no more than 30u. When selecting a positioner, the impurity particle size should be no more than 5u. | ||||
| Air Source Pressure | 3bar to 8bar | ||||
| Operating Environment Temperature |
• Standard type: -20°C to +80°C • Low-temperature type: -40°C to +80°C • High-temperature type: -20°C to +160°C | ||||
| Lubrication |
Under normal operating conditions, the standard type does not require additional lubricant. For low-temperature or high-temperature environments, special lubricants are required. | ||||
Certified Quality for Industrial Valve Applications
Fleyenda valves and electric actuators are built for stable performance, reliable operation, and long-term industrial use. With certified quality support, they are suitable for water treatment, chemical processing, automation, and industrial process control systems.
FAQs That 80% Users Interest
1. What makes the Pneumatic Stainless Steel Flanged PTFE Butterfly Valve ideal for corrosive pipelines?
• The PTFE fluorine-lined pneumatic valve creates a full barrier between the medium and metal, resisting strong acids, alkalis, and solvents.
• The stainless steel body with fluoropolymer lining maintains mechanical strength and prevents corrosion in harsh chemical systems.
• The smooth PTFE-lined disc minimizes scaling and ensures long-lasting sealing performance in aggressive media.
• Its air-operated structure offers reliable control and extended lifespan in corrosive flow environments.
2. How does the pneumatic actuation improve efficiency in automated systems?
• The air-actuated stainless steel butterfly valve provides fast, consistent operation for precise flow regulation.
• Its double-acting or spring-return actuator ensures accurate torque and dependable response under high cycling.
• Integration with solenoid control systems and positioners enables remote automation and feedback accuracy.
• The pneumatic PTFE control valve reduces manual handling and improves plant safety in corrosive service areas.
3. How can users extend the service life of this PTFE-lined pneumatic valve?
• Confirm temperature and pressure limits to match PTFE lining performance for continuous operation.
• Maintain correct flange alignment to avoid stress or lining damage in pressurized systems.
• Periodically inspect lining surfaces and actuator seals to detect wear and prevent downtime.
• Keep the pneumatic actuator and air supply clean to ensure consistent valve response and longer life.
4. Where is the Flanged PTFE-lined Butterfly Valve commonly applied?
• Extensively used in chemical processing and water treatment plants for corrosive fluid control.
• Favored in pharmaceutical, chlorine, and seawater applications for its non-contaminating PTFE surface.
• Effective for acid and alkali dosing systems due to its reliable sealing and resistance to aggressive media.
• Suitable for industrial automation networks requiring pneumatic, corrosion-resistant valve solutions.