YF 8650 Series Electric Nozzle Guide Vane Actuator
The Young & Franklin 8650 Series Electric Nozzle Guide Vane Actuator (ENGV) is an electromechanical actuator (EMA) for positioning the nozzle guide vanes (NGV) of a turbine output section. The actuator is available with forces up to 22,500 lbf. and various stroke lengths.
The 8650 Series ENGV features a sealed gear-train lubrication system, is self-contained and requires minimal maintenance. The entire assembly has been tested to over 20 years at temperature and load.
- Specs
- Applications
- Documents
| Model | 8650 Series ENGV | |
| Peak Force | Up to 22,500 lbf. (100 kN) | |
| Total Stroke | Up to 7.008 in (178 mm) | |
| Slew Rate | Up to 0.4 in/s (10 mm/s) | |
| Fail-Safe Mode | Fail-in-Place with Failsafe Electric Brake | |
| Mounting Type | Bolted | |
| Operating Temperature Range | ‐40° to +266°F (‐40° to +130°C) | |
| Command | 4-20 mA Position, -8 to +8 mA Triple Redundant Velocity | |
| Ingress Protection | Available in IP54 and IP65 | |
| Mean Time Between Service | 96,000 Hours | |
| Maintenance Interval | 8 years (Gear‐train oil change only) | |
| LVDT Wiring | 6.56 ft (2 m) Flying Lead or MIL Connector | |
| Motor Wiring | 32.8 ft (10 m) Jacketed Cable | |
| Service Life | >20 Years | |
| Environmental | MIL-STD-810 – Shock and Vibration | |
| Certifications | Class 1 Div 2, Group B, C & D, T3 Ex db ib IIB+H2 T3 Gb | |