FLE-D-SH Electric Stainless Steel Hard-Seated Butterfly Valve
FLE-D-SH Electric Stainless Steel Hard-Seated Butterfly Valve
The Electric Stainless Steel Hard-Seated Butterfly Valve with a metal-to-metal seal and CF8M body delivers corrosion, wear, and heat resistance, ensuring tight shutoff in steam, oil, and chemical systems up to 300°C and PN25, backed by API 609, EN 593, and ISO 9001 for reliable automated flow control.
| Size Range | DN50–DN600 (2″–24″) |
| Working Pressure Range: | PN10 / PN16 / PN25 (Class 150) |
| Working Temperature Range: | -20°C to +300°C |
| Body Material: | CF8 / CF8M Stainless Steel |
| Connection Type: | Flanged (EN1092-1 / ASME B16.5 / JIS 10K) |
| Applicable Medium: | Steam, gas, oil, slurry, weak acid/base |
| Actuator Type: | Electric quarter-turn actuator |
| Voltage Options | AC220V, AC110V, AC380V, DC24V |
| Design Standard | API 609 / EN 593 / ISO 5211 |
| Testing Standard | API 598 / EN 12266-1 |
| Fire-Safe Design | Optional per API 607 / ISO 10497 |
| 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. Why choose an Electric Stainless Steel Hard-Seated Butterfly Valve instead of a soft-seated type?
• Metal-seated electric butterfly valve maintains sealing under high temperature and pressure.
• Stainless steel body and disc resist corrosion in steam, gas, and chemical systems.
• Motorized actuator ensures stable torque and precise shutoff.
• Certified under API 609 and EN 593 for reliable performance.
2. Can a motorized metal-seated butterfly valve handle steam or abrasive fluids?
• Hard-seated design provides tight sealing for steam, hot oil, and slurry media.
• Metal-to-metal contact resists wear and thermal deformation up to 300°C.
• CF8M stainless steel construction ensures corrosion resistance.
• Suitable for chemical, refinery, and power plant applications.
3. How to select the right actuator and torque for an electric metal-seated valve?
• Choose actuator torque higher than the valve closing force under pressure.
• Use AC220V, AC380V, or DC24V to match automation systems.
• Ensure ISO 5211 mounting and control feedback via 4–20 mA or Modbus.
• Proper torque sizing ensures accurate flow control and valve longevity.
4. What maintenance keeps an electric hard-seated butterfly valve efficient?
• Inspect actuator connections and torque calibration regularly.
• Clean metal seat and disc to prevent buildup and scoring.
• Check flanged body and seals for corrosion or wear.
• Keep actuator enclosure dry and dust-free for stable operation.