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.
Technical Specifications
| 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 | |||||
Product Benefits & Features
1. Durability & Reliability
• Electric metal-seated butterfly valve offers strong wear resistance and reliable sealing.
• Stainless steel body ensures corrosion resistance in steam, gas, and chemical pipelines.
• Electric control actuator provides stable torque and consistent operation.
• Complies with API 609 and EN 593 for leak-free performance.
2. High Temperature & Pressure Resistance
• Metal-to-metal seal maintains tight shutoff under high temperature and pressure.
• Operates up to 300°C for steam, oil, and process fluids.
• Reinforced shaft and bearings prevent deformation during operation.
• Suitable for power, energy, and chemical industry applications.
3. Automation & Control Precision
• Electric-operated butterfly valve supports on/off and proportional control.
• Multiple voltage options (AC220V, AC380V, DC24V) for automation systems.
• Signal feedback (4–20 mA, Modbus) enables remote monitoring.
• Fast response and precise torque improve flow accuracy.
4. Maintenance & Cost Efficiency
• Hard-seated valve reduces seat wear and maintenance frequency.
• Self-cleaning edge prevents blockage and buildup.
• Flanged design allows easy installation and replacement.
• Stainless steel construction ensures long lifespan and low operating cost.
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. 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.