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>> Key Advantages & Features
1. Precision Screw Settings for Customized Control
The governor features four key adjustable screws (speed setpoint, droop, load limit, idle speed) with clear, calibrated ranges—e.g., 300~3600 RPM speed adjustment (±1 RPM resolution per 1/8 turn) and 2%~10% droop control. This allows on-site engineers to fine-tune turbine performance to specific application needs, reducing setup time by 30% compared to non-screw-adjustable governors.
2. Superior Speed Stability & Fast Response
It delivers ±0.2% steady-state speed stability (no load change) and responds to speed deviations in ≤0.5 seconds (for 5% rated speed steps). This outperforms industry averages (typically ±0.5% stability, 1-second response), preventing turbine speed fluctuations that could lead to equipment wear or production downtime.
3. Robust Environmental & Hazardous Area Adaptability
Operating in -40°C~85°C temperatures and 5%~95% non-condensing humidity, it also holds ATEX II 2G Ex d IIC T6 Ga certification. This makes it suitable for harsh industrial sites (e.g., chemical plants, offshore platforms) where standard governors fail, ensuring 99.8% annual operational uptime.
4. Durable Mechanical Design for Longevity
Adjustment screws are made of corrosion-resistant Stainless Steel 316, and the governor passes 20g vibration tests (10Hz~2000Hz, MIL-STD-883H). With a 3.2kg robust build and ISO 9001-manufactured components, it boasts an average service life of 8+ years—25% longer than comparable turbine governors—lowering maintenance and replacement costs.
5. Integrated Overspeed Protection for Safety
Equipped with mechanical overspeed protection calibrated via screw-linked linkage, it triggers a trip at 115% of rated speed. This redundant safety feature complies with IEC 60034-1 standards, eliminating the risk of turbine damage from overspeed events, a critical concern for power generation and industrial turbine applications.
>> Technical Parameters
Parameter Category | Parameter Description | Specification |
Governor Basic Info | Model Number | Woodward A8516-039 (TG-13 Series Turbine Governor) |
Application Scope | Small to medium-sized steam/gas turbines (power generation, industrial drives) | |
Control Type | Mechanical-hydraulic speed governing with screw-adjustable setpoints | |
Screw Setting Details | Speed Setpoint Adjustment Screw (Main) | Adjustment Range: 300 ~ 3600 RPM; Resolution: ±1 RPM per 1/8 turn |
Speed Droop Adjustment Screw | Adjustment Range: 2% ~ 10% (of rated speed); Locknut Torque: 8 ± 1 N·m | |
Load Limit Adjustment Screw | Adjustment Range: 0% ~ 110% (of rated load); Turning Direction: Clockwise = Increase | |
Idle Speed Adjustment Screw | Adjustment Range: 50% ~ 80% (of rated speed); Minimum Setting: 150 RPM | |
Performance Parameters | Rated Speed Stability | ±0.2% (steady-state, no load change) |
Response Time (to Speed Deviation) | ≤ 0.5 seconds (for 5% rated speed step change) | |
Maximum OverSpeed Protection | 115% of rated speed (mechanical trip via screw-calibrated linkage) | |
Environmental Ratings | Operating Temperature Range | -40°C ~ 85°C (-40°F ~ 185°F) |
Operating Humidity Range | 5% ~ 95% Relative Humidity (non-condensing) | |
Vibration Resistance (Operating) | 20 g acceleration (10 Hz ~ 2000 Hz; per MIL-STD-883H) | |
Mechanical & Installation | Mounting Orientation | Vertical (±5° tolerance); Base Mounting Holes: 4 x M8 (thread depth: 12 mm) |
Screw Material (Adjustment) | Stainless Steel 316 (corrosion-resistant for industrial environments) | |
Weight | 3.2 ± 0.1 kg (7.05 ± 0.22 lbs) | |
Compliance & Certification | Regulatory Compliance | ISO 9001:2015 (manufacturing), IEC 60034-1 (turbine control safety) |
Hazardous Area Certification | ATEX II 2G Ex d IIC T6 Ga (for explosive environments) |
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