FLE-D-CF Smart Electric Cast Iron Fluorine Lining Butterfly Valves
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.
| 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. |
| Actuator Model | Standard Time/Torque | Optional Time/Torque | Rotation Angle Range | Actuator Weight | Power Supply | Optional Control Circuit |
|---|---|---|---|---|---|---|
| FLE-105 | 25S/50Nm | 4S/20Nm 10S/30Nm | 0-90° Adjustable | 2.2kg | DC24V AC24V AC110V AC220V AC380V | A type B type C type D type E type F type |
| FLE-110 | 25S/100Nm | 15S/50Nm | 5.1kg | |||
| FLE-116 | 25S/160Nm | 15S/80Nm | 5.1kg | |||
| FLE-120 | 25S/200Nm | 15S/100Nm | 7.5kg | |||
| FLE-140 | 25S/400Nm | 15S/200Nm | 7.5kg | |||
| FLE-160 | 25S/600Nm | 15S/300Nm | 8.1kg | |||
| FLE-1100 | 50S/1000Nm | 25S/500Nm | 12.7kg | |||
| FLE-1200 | 50S/2000Nm | 25S/1000Nm | 12.7kg | |||
| Type | ON/OFF, Regulating, Intelligent | |||||
| Insulation Resistance | 100MΩ/500VDC | |||||
| Dielectric Strength | 1500V AC 1min. | |||||
| Level of Protection | IP67 (IP68 optional) | |||||
| Installed Location | 360° Installation at any Angle | |||||
| Electrical Interface | 2-G1/2 Metal Fitting, the corresponding metal cable joints should be installed according to the selected cables | |||||
| Ambient temperature | -20°C to +60°C | |||||
| Optional Explosion Proof | Ex d II BT4 / CT4 / CT6 Gb | |||||
| Power-loss reset (fail-safe) function | Fail-open, Fail-closed or No-reset (factory-selectable) | |||||
| Optional functions | Overtorque protection, dehumidification heater, passive contact switch, operating handwheel | |||||
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.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.