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.
Technical Specifications
| 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 | Sanitary |
|---|---|---|---|---|---|
| Valve Body | Ball valve, butterfly valve, plug valve | Gate valve, Global valve | Knife gate valve | Sanitary butterfly valve | |
| Function | Double Acting, Single Acting (Failure Resetting FO or FC) | ||||
| Control Accessories |
• 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 |
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| 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. |
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| 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 |
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| Lubrication |
Under normal operating conditions, the standard type does not require additional lubricant. For low-temperature or high-temperature environments, special lubricants are required. |
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Product Benefits & Features
1. Corrosion Resistance & Chemical Compatibility
• The Pneumatic Stainless Steel Flanged PTFE Butterfly Valve provides full fluorine lining for strong resistance to acids, alkalis, and solvents.
• The stainless steel fluorine-lined body ensures durability and corrosion protection in chemical pipelines.
• Ideal for chemical, seawater, and chlorine systems requiring anti-corrosive performance.
• The PTFE-lined pneumatic valve maintains sealing integrity and surface stability in aggressive media.
2. Automation & Operational Efficiency
• The air-operated stainless steel butterfly valve offers fast actuation and stable flow control.
• The double-acting pneumatic actuator delivers high torque with low air use.
• Compatible with solenoid valves and positioners for precise automatic regulation.
• The pneumatic fluorine-lined control valve supports remote operation and safe system automation.
3. Sealing Reliability & Safety Performance
• The PTFE-seated butterfly valve ensures bubble-tight sealing under pressure or temperature changes.
• Machined disc design guarantees zero leakage and stable operation.
• Complies with API 598 and EN 12266-1 for tested sealing reliability.
• The stainless steel pneumatic valve with PTFE lining prevents residue buildup and surface wear.
4. Application Versatility & Industry Adaptability
• The pneumatic PTFE-lined valve fits chemical, water treatment, and pharmaceutical applications.
• Flanged stainless steel body allows flexible installation in various pipelines.
• Operates between –20 °C and +180 °C for wide industrial conditions.
• Meets ISO 5211 and API 609 standards for global automation compatibility.
Why Choose Fleyenda Valve Manufacturing
Product Stability
We use reinforced structures and precision sealing to ensure consistent performance under pressure and temperature changes.
Conpany&Product Certification
We have CE, RoHS, ISO, SIL, TUV, and IP68 waterproof certifications covering safety, quality, and environmental standards.
Projects Experience
Cooperated over 40 countries, we have experience in oil & gas, energy, water, chemicals, food & beverage, and automation.
Customization Capability
With 20 years experience, we turn complex working conditions into precise valve solutions with high speed and accuracy.
Aftersales Support
•We have technical team provides real-time video support to help customers resolve on-site issues quickly.
Customer Cases
Trusted by Shell plc, Petronas, Chevron, TotalEnergies, and Dupont in projects across 40+ countries.
Our Product Actual Export Pictures
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.