FLE-D-CEW Electric Cast Iron Wafer EPDM Butterfly Valves
FLE-D-CEW Electric Cast Iron Wafer EPDM Butterfly Valves
The Electric Cast Iron Wafer EPDM Butterfly Valve features a durable cast iron body, EPDM seat, and precise electric actuator, ensuring tight sealing and stable torque control for water, HVAC, and chemical systems, verified by ISO and CE certification
| Size Range | DN50–DN600 (2″–24″) |
| Working Pressure Range: | PN10 / PN16 (150 PSI) |
| Working Temperature Range: | –10°C to +120°C |
| Body Material: | Cast Iron |
| Connection Type: | Wafer type |
| Applicable Medium: | Water, air, oil, non-corrosive fluids, light chemicals |
| Actuator Type: | Electric quarter-turn actuator |
| Voltage Options | AC220V, AC110V, AC380V, DC24V |
| Design Standard | ISO 5752 / EN 558-1 Series 20 |
| Testing Standard | API 598 / EN 12266-1 |
| Fire-Safe Design | Not fire-safe |
| 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 factors matter most when selecting an actuator for an automated butterfly valve system?
• Choose an actuator with torque output 1.2–1.5× higher than the valve’s required torque.
• Confirm the control signal type matches your automation setup.
• Use ISO 5211 mounting standards for actuator compatibility.
• Ensure the Electric Cast Iron Wafer EPDM Butterfly Valve fits your system’s pressure and temperature conditions.
2. How should a wafer-style butterfly valve be installed for water or HVAC pipelines?
• The electric wafer butterfly valve must be centered between flanges and tightened evenly.
• Match the flange class to prevent leaks and seat distortion.
• Test actuator operation before commissioning.
• Leave space for actuator wiring and maintenance access.
3. Is an EPDM-seated valve suitable for wastewater and light chemical applications?
• The EPDM-lined electric valve seals effectively for water and mild chemicals.
• Avoid use with strong acids, solvents, or high-temperature steam.
• Confirm the cast iron body and disc materials are compatible with the medium.
• Use an actuator with an IP67 enclosure for wet or corrosive environments.
4. What are the advantages of using an electric actuated butterfly valve instead of a manual type?
• The motorized cast iron butterfly valve enables remote automation and precise control.
• Compact wafer design reduces space and simplifies installation.
• EPDM seat ensures tight sealing and low maintenance.
• Electric operation improves accuracy and process efficiency.







