Female Thread Ball Valve Electric Actuator
Female Thread Ball Valve Electric Actuator
FLE-Q-2PS Series
Fleyenda FLE-Q-2PS Female Thread Electric Actuator Ball Valve is designed for reliable automated flow control in compact pipeline systems, water treatment, air systems, oil pipelines, chemical processing, and industrial automation applications. Featuring a precision female threaded connection and stainless-steel ball valve structure, this electric threaded ball valve provides tight sealing, low flow resistance, fast response, and long service life in demanding working conditions.
Equipped with a quarter-turn electric actuator, the FLE-Q-2PS Series supports accurate 0–90° on/off control and optional regulating control for remote pipeline automation. Tested to 100,000 cycles under 1.6 MPa pressure, this electric actuator ball valve ensures stable torque output, leak-free performance, and dependable operation for water, air, oil, steam, weak acids, alkalis, and compatible chemical liquids.
- Size range: 1/4″–4″ / DN8–DN100
- Pressure range: PN16–PN63, up to 900 PSI
- Temperature range: -20°C to 180°C / -4°F to 356°F
- Body material: stainless steel CF8M / SS316, optional brass or PVC
- Connection type: female thread or NPT threaded connection
- Operation: electric quarter-turn actuator, 0–90° on/off or regulating control
- Cycle life: tested to 100,000 cycles under 1.6 MPa
- Standards: API 608, ASME B16.34, ISO 5211, API 598, and API 607 fire-safe design
- Applications: water treatment, HVAC systems, compressed air, chemical dosing, oil pipelines, steam lines, and industrial process automation
Female Thread Ball Valve Electric Actuator Specifications
Standard technical parameters and actuator options for female thread ball valves. Custom materials, voltages, pressure ratings, and control functions are available upon request.
| Parameter | Specification |
| Size Range | ¼” – 4” / DN8 – DN100 |
| Working Pressure | PN63, up to 900 PSI |
| Working Temperature | –20°C to +180°C / –4°F to +356°F |
| Body Material | Stainless Steel CF8M / SS316, optional Brass or PVC |
| Connection Type | Female Thread or NPT / ASME B1.20.1 |
| Applicable Medium | Water, Air, Oil, Steam, Weak Acids & Alkalis, Chemical Liquids compatible with PTFE seat |
| Actuator Type | Electric Quarter-Turn Actuator |
| Voltage Options | DC 12 V, DC 24 V, AC 24 V, AC 110 V, AC 220 V, AC 380 V |
| Design Standard | API 608 / ASME B16.34 / ISO 5211 |
| Testing Standard | API 598 Pressure & Leak Test |
| Fire-Safe Design | Complies with API 607 Fire-Safe Standard |
| Certification | CE / ROHS / ISO / SIL / TUV / IP68 Waterproof |
Above are standard parameter samples. Specific parameters, body materials, sealing options, actuator configurations, and control functions can be customized according to project requirements.
Electric Actuator Model Selection
Multiple actuator models are available for different torque, speed, voltage, and control requirements.
| Actuator Model | Standard Time / Torque | Optional Time / Torque | Actuator Weight |
| FLE-105 | 25S / 50Nm | 4S / 20Nm, 10S / 30Nm | 2.2kg |
| 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 |
Why Choose FLE-Q-2PS Electric Female Thread Ball Valves
Precision Flow Control & Smart Regulation
- The electric actuator provides responsive, remote-controlled operation for precise flow regulation in automated systems.
- Quarter-turn action delivers quick switching, ideal for smart process control and HVAC automation.
- Compact electric design replaces air-driven units, simplifying setup in water, chemical, or oil pipelines.
- Integrated position feedback supports.
Durability & Safety
- Stainless steel body and precision female-thread connection.
- Fire-safe and CE-certified structure guarantees operational safety in chemical and energy systems.
- Minimal internal wear reduces downtime, keeping electric actuator performance consistent.
- IP67-rated enclosure protects actuator components in humid or dusty environments.
High Flow & Versatile Compatibility
- Full-port ball design maintains smooth flow with minimal pressure loss, enhancing system efficiency.
- Suitable for diverse media including water, gas, oil, and corrosive liquids, matching industrial process needs.
- Stable torque output keeps actuation reliable under varying temperatures or pressures.
- Modular electric actuator fits ISO 5211 mounts.
Energy Saving & Economy
- Electric drive consumes energy only during actuation, improving overall energy efficiency.
- Threaded connection simplifies installation, reducing piping and assembly costs.
- Automated operation cuts manual handling and improves production efficiency.
- Long service life and low maintenance reduce total ownership costs in continuous-use systems.
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’s the difference between NPT and BSP threads in a female-thread electric actuator ball valve ?
• Selecting the correct thread type ensures leak-proof performance in industrial automation systems.
• NPT threads have a 60° taper and seal by thread compression, while BSP threads have a 55° angle and often require a sealing washer or O-ring.
• In a female-thread electric actuator ball valve, mismatched threads may cause leakage or thread galling under high pressure.
• Always confirm whether the valve follows NPT, BSPP, or BSPT standards before connecting to stainless steel pipelines.
2. How do I size the electric actuator for a female-thread ball valve ?
• Determine the valve’s torque based on working pressure, fluid viscosity, and temperature.
• Select an electric actuator with at least 25–40% higher torque for reliable automated control.
• Verify ISO 5211 mounting dimensions, duty cycle, and voltage (AC/DC) for compatibility.
• Proper sizing prevents stalling and ensures long-term stability in threaded valve automation systems.
3. What are the best installation practices for a female-thread electric actuator ball valve ?
• Clean and inspect all threads before installation; use proper PTFE tape or sealant for leak prevention.
• Align the actuator and valve stem accurately—avoid over-tightening that may damage seats or seals.
• Mount the electric actuator upright or slightly inclined to prevent moisture from entering.
• Test the valve through full open/close cycles before applying pressure.
• Following these steps enhances sealing reliability and actuator lifespan in automated fluid control systems.
4. How to choose the right materials and actuator protection for harsh environments?
• Use stainless steel ball valves for corrosive or high-temperature applications; brass is suitable for mild water or air service.
• Select PTFE or metal seats depending on temperature and chemical compatibility.
• Choose IP67/IP68-rated electric actuators for outdoor or wash-down environments.
• For marine or chemical plants, pick corrosion-resistant housings and CE-certified actuators for extended durability.







