Product Description
Woodward 8405-052 Actuator
Product Overview
- The Woodward 8405-052 is a hydraulic actuator designed for precise control of fuel or steam valves in industrial applications, such as gas turbines, steam turbines, and large diesel engines, used in power generation, oil and gas
Technical Specifications
- The 8405-052 has the following specifications based on industry sources and Woodward actuator documentation:
| Specification | Details |
|---|---|
| Model/Part Number | 8405-052 |
| Manufacturer | Woodward |
| Description | Hydraulic Actuator for Fuel/Steam Valve Control |
| Series | Hydraulic Actuator |
| Function | Provides precise positioning of fuel or steam valves in turbines/engines |
| Actuator Type | Hydraulic, linear (configuration-dependent) |
| Control Input | Analog (4–20 mA, 0–200 mA, or ±10 V) |
| Feedback | Integrated LVDT (Linear Variable Differential Transformer) for position feedback |
| Stroke Length | Approx. 25–75 mm (1–3 inches, configuration-dependent) |
| Force Output | Up to 5,000–15,000 N (1,125–3,375 lbf, configuration-dependent) |
| Response Time | <50 ms (full stroke, depending on hydraulic system) |
| Hydraulic Pressure | Up to 1,500–2,000 psi (103–138 bar, configuration-dependent) |
| Hydraulic Fluid | Standard hydraulic oils (MIL-H-5606 or equivalent) |
| Position Accuracy | ±0.1% of full stroke |
| Communication Interfaces | None (analog control; feedback via LVDT to external controller) |
| Protection Functions | Overpressure protection, position feedback fault detection (via external controller) |
| Redundancy | Non-redundant (redundant systems possible with dual actuators) |
| Diagnostics | Position feedback monitoring, fault detection (via external control system) |
| Compatibility | Woodward control systems (e.g., 505, MicroNet, 2301D, 9905-970), digital drivers (e.g., 8200-314); third-party controllers via analog signals; integrates with fuel/steam valves for turbines and engines |
| Power Supply | Hydraulic (external pump required); electronic control: 18–32 VDC (24 VDC nominal, for LVDT and signal processing) |
| Power Consumption | Approx. 5–10 W (electronic components only) |
| Environmental Specifications | Operating Temperature: -40°C to +85°C (-40°F to +185°F) Storage Temperature: -40°C to +100°C (-40°F to +212°F) Relative Humidity: 5% to 95% non-condensing Vibration: MIL-STD-810 compliant Shock: MIL-STD-810 compliant |
| Enclosure | IP65 (sealed for harsh environments) |
| Dimensions | Approx. 250 mm (L) x 120 mm (W) x 120 mm (H, configuration-dependent) |
| Weight | Approx. 4–8 kg (9–18 lbs, configuration-dependent) |
| Mounting | Flange or clevis mounting (per valve requirements) |
| Certifications | CE, UL, CSA, marine certifications (e.g., DNV, ABS, configuration-dependent); ATEX/IECEx Zone 1/2 (optional) |