FLE-D-CF Smart Electric Cast Iron Fluorine Lining Butterfly Valves
The Electric Cast Iron Flanged Fluorine Lining Butterfly Valve features a full PTFE lining for strong acid and alkali resistance, ensuring precise automated flow control and reliable sealing in corrosive systems, reducing maintenance costs and downtime while meeting API 609 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 to +180°C |
| Body Material: | Cast Iron |
| Connection Type: | Flanged |
| Applicable Medium: | Strong acids, alkalis, solvents, chlorine compounds, and corrosive gases or liquids |
| Actuator Type: | Electric quarter-turn actuator |
| Voltage Options | AC220V, AC110V, AC380V, DC24V |
| Design Standard | API 609 / GB 12238 / ISO 5752 |
| Testing Standard | API 598 / EN 12266-1 |
| Fire-Safe Design | Not applicable |
| Certification | CE / ROHS / ISO / SIL / TUV /IP68 Waterproof |
| Customization | Above Are Standard Parameter Samples. If You Have Specific Parameters And Materials, We Can Customize Them All. |
Product Drawings
Comprehensive Technical Drawing (Dimensions & Structure)
Product Benefits & Features
1. Corrosion Resistance & Chemical Protection
• Electric Cast Iron Flanged Fluorine Lining Butterfly Valve with full PTFE lining ensures strong resistance to corrosive media.
• Withstands acids, alkalis, and oxidizers, making the motorized fluorine-lined valve suitable for harsh chemical processes.
• Fluoropolymer lining prevents scaling and contamination, extending valve life.
• Ideal for chemical plants, wastewater, and industrial automation systems.
2. Automation & Control Precision
• Electric actuator enables accurate on/off or proportional flow control.
• Multi-voltage design fits various automated control systems.
• Electric PTFE-lined valve supports remote operation and fast response.
• High-torque motor ensures stable rotation and consistent flow.
3. Sealing Performance & Mechanical Stability
• PTFE-lined butterfly valve provides bubble-tight sealing and low operating torque.
• Double-eccentric design improves sealing under pressure and reduces wear.
• Cast iron flanged body offers high mechanical strength and vibration resistance.
• Tested per API 598 and EN 12266 for reliable sealing and durability.
4. Versatility & Long-Term Value
• Electric corrosion-resistant valve fits chemical, pharmaceutical, and water treatment applications.
• Flanged connection allows quick installation and maintenance.
• Combines fluorine-lining protection with electric actuation for cost efficiency.
• Durable structure ensures long service life and low maintenance cost.
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.How do I determine the right specification for an electric fluorine-lined butterfly valve in corrosive-chemical applications?
• Check chemical compatibility of the medium with PTFE or PFA lining to ensure corrosion resistance.
• Match pressure and temperature ratings to process conditions for reliable sealing.
• Confirm the flanged cast-iron body supports the operating environment and actuator type.
• Choose actuator voltage and torque that fit automation requirements.
2.What maintenance practices extend the service life of a PTFE-lined flanged butterfly valve?
• Inspect seat, disc lining, and actuator connection regularly.
• Operate within rated temperature and pressure to prevent liner damage.
• Ensure flange alignment and relieve pipeline stress to avoid leaks.
• Clean with non-abrasive methods suitable for fluoropolymer surfaces.
3.Why choose an electric actuated fluorine-lined butterfly valve for corrosive media systems?
• Provides precise flow control and remote automation in aggressive environments.
• Fluorine-lined surfaces protect against chemical attack, extending valve lifespan.
• Flanged cast-iron body supports stable actuator mounting.
• Reduces manual operation and improves process reliability.
4.Where does a cast-iron flanged fluorine-lining butterfly valve offer the best value?
• Ideal for handling acids, alkalis, and oxidizers where metal valves corrode quickly.
• Simplifies retrofit installations using existing flange systems.
• Combines corrosion protection and automation for long-term cost efficiency.
• Minimizes replacement frequency and maintenance downtime.
5.What distinguishes a high-performance electric PTFE-lined butterfly valve from standard types?
• Full PTFE or PFA lining provides superior chemical resistance.
• Cast-iron flanged body ensures mechanical strength and stable operation.
• Meets API 609 and EN 12266-1 standards for quality assurance.
• Electric actuator enables multi-voltage automation and precise flow regulation.