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.
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: | 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. |
Product Drawings
Comprehensive Technical Drawing (Dimensions & Structure)
Product Benefits & Features
1. Corrosion & Chemical Resistance
• FLE-D-SFW Electric Stainless Steel Wafer PTFE Butterfly Valve provides full PTFE lining and stainless-steel body for strong resistance to corrosive and chemical media.
• Chemical-resistant structure prevents contamination and ensures clean fluid handling.
• Reliable sealing under long exposure to acids and alkalis.
• Durable electric PTFE-lined butterfly valve design reduces maintenance needs.
2. Automated Precision & Control Stability
• High-torque electric actuator butterfly valve delivers precise flow regulation for on/off and modulating control.
• Supports multiple voltage options for industrial automation systems.
• Stable torque output ensures consistent performance.
• IP67-rated motorized stainless-steel butterfly valve withstands outdoor and humid
3. Energy Efficiency & Installation Flexibility
• Compact wafer design saves space and simplifies installation.
• Low operating torque reduces energy use and system cost.
• Optimized PTFE-lined electric valve flow path minimizes pressure loss.
• Maintenance-free actuator extends uptime and lowers service cost.
4. Safety & Standard Compliance
• Designed to ISO 5211, API 609, and EN 593 standards.
• Fire-safe option meets API 607 for process safety.
• Certified by CE, RoHS, and ISO9001.
• Leak-free electric wafer butterfly valve operation under high temperature and pressure.
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 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.