FLE-D-CEF Intelligent Electric Cast Iron Flanged EPDM Butterfly Valves
FLE-D-CEF Intelligent Electric Cast Iron Flanged EPDM Butterfly Valves
The Electric Cast Iron Flanged EPDM Butterfly Valve features a durable cast iron body, EPDM seat, and electric actuator for precise flow control and tight sealing under PN10/PN16 pressure, ensuring reduced leakage, lower maintenance, and verified reliability through CE and ISO 9001 standards.
| Size Range | DN50–DN600 (2″–24″) |
| Working Pressure Range: | PN10 / PN16 (10–16 bar) |
| Working Temperature Range: | -10°C to +120°C |
| Body Material: | Cast Iron |
| Connection Type: | Flanged End |
| Applicable Medium: | Water, Air, Steam, Weak Acids, Weak Alkalis |
| Actuator Type: | Electric Quarter-Turn Actuator |
| Voltage Options | AC110V / AC220V / AC380V / DC24V |
| Design Standard | EN593 / API 609 / ISO 5211 |
| 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 is the ideal application for the Electric Cast Iron Flanged EPDM Butterfly Valve in water systems?
• The Electric Cast Iron Flanged EPDM Butterfly Valve is suitable for water treatment and industrial water pipelines requiring precise shutoff and flow regulation.
• The EPDM liner provides strong chemical resistance and reliable sealing.
• The electric actuator enables automated control and remote operation.
• The flanged cast iron body ensures stable installation and leak-free performance.
2. How to size a motorized flanged butterfly valve for HVAC or process systems?
• Calculate flow rate and system pressure drop to determine the required torque for the motorized butterfly valve.
• Match the electric actuator torque to valve size for complete and reliable closure.
• Confirm flange standard (ANSI/DIN/JIS) and ensure pipe compatibility.
• Choose an EPDM-seated butterfly valve for chilled or hot water circulation.
3. What are the key installation precautions for an electric flanged butterfly valve in industrial pipelines?
• Clean the pipeline before installing the electric flanged valve to prevent EPDM seat damage.
• Tighten flange bolts evenly to maintain proper alignment and sealing.
• Mount the electric actuator correctly on the ISO 5211 pad and connect suitable voltage.
• Verify the EPDM seat is compatible with the working medium.
4. How to maintain an electric actuated EPDM butterfly valve for long service life?
• Operate the electric butterfly valve periodically to prevent actuator and seat sticking.
• Inspect the EPDM seat for hardening or cracking under temperature cycles.
• Recalibrate actuator limit switches for precise disc movement.
• Check flange bolts and alignment to preserve sealing integrity.