FLE-D-SFW Electric Stainless Steel Wafer PTFE Butterfly Valve
FLE-D-SFW Electric Stainless Steel Wafer PTFE Butterfly Valve
The FLE-D-SFW Electric Stainless Steel Wafer PTFE Butterfly Valve features a stainless-steel body and full PTFE lining for strong chemical resistance, ensuring leak-free control of corrosive fluids and reducing maintenance costs by over 40%, backed by ISO 9001, CE, and IP67 certifications.
| Size Range | DN50–DN600 (2″–24″) |
| Working Pressure Range: | PN10–PN16 (150 PSI) |
| Working Temperature Range: | −20°C to +180°C |
| Body Material: | CF8 / CF8M Stainless Steel |
| Connection Type: | Wafer Type |
| Applicable Medium: | Corrosive liquids, acids, alkalis, seawater, deionized water, chemical solvents |
| Actuator Type: | Quarter-turn Electric Actuator |
| Voltage Options | AC 220V, AC 110V, DC 24V, DC 12V |
| Design Standard | ISO 5211, API 609, EN 593 |
| Testing Standard | API 598, EN 12266-1 |
| Fire-Safe Design | Optional per API 607 |
| 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. What are the best applications for an electric PTFE-lined wafer butterfly valve in corrosive systems?
• The FLE-D-SFW Electric Stainless Steel Wafer PTFE Butterfly Valve is ideal for chemical processing, wastewater, and marine systems due to its corrosion-resistant PTFE lining and stainless-steel body.
• The motorized PTFE-lined valve ensures clean flow in semiconductor, pharmaceutical, and food-grade applications.
• The compact electric wafer butterfly design fits limited spaces for easy installation.
• The electric actuated PTFE valve integrates with PLC or SCADA systems for precise flow control.
2. How can I select the right actuator and voltage for an automated PTFE-lined butterfly valve?
• Select an actuator with torque higher than the valve’s operating torque to prevent seal wear.
• Choose voltage options like AC 220 V, AC 110 V, or DC 24 V for automation of the electric actuated wafer butterfly valve.
• Ensure the actuator meets IP67 standards for protection against moisture and chemicals.
• The ISO 5211 interface of the stainless-steel PTFE butterfly valve allows simple electric conversion.
3. What installation steps are crucial for reliable PTFE-lined butterfly valve operation?
• Clean and flush pipelines before installing the PTFE-lined electric butterfly valve.
• Keep flange faces parallel and centered to protect the PTFE liner.
• Ensure enough space for full disc rotation for accurate flow control.
• Install the electric wafer PTFE valve in the correct flow direction to maintain sealing.
4. What maintenance improves the service life of a motorized PTFE-lined valve?
• Check actuator response and torque calibration regularly.
• Inspect the PTFE lining and seat for cracks or deformation.
• Keep actuator terminals clean to extend electric butterfly flow control valve life.
• Replace seals promptly to maintain leak-free operation.