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- Woodward
- 8237-1369
- ProTech-GII Overspeed Protection
- USA
- 290 × 200 × 120 mm
- 0.8 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Woodward 8237-1369 ProTech-GII Overspeed Protection is an overspeed protection component associated with Woodward’s ProTech-GII turbine protection platform. It is used to monitor turbine speed and provide a dedicated protective function when the monitored speed exceeds the configured overspeed limit.
Overspeed protection is separate from normal turbine governing. The governor regulates operating speed during normal operation, while the overspeed protection system provides an independent protective layer intended to initiate a shutdown when a dangerous speed condition is detected.
The 8237-1369 is therefore suited to turbine protection architectures where dependable speed monitoring and rapid protective action are required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Woodward |
| Model | 8237-1369 |
| Product / System | ProTech-GII |
| Product Type | Overspeed Protection |
| System Role | Turbine Overspeed Protection |
| Application | Turbine Protection |
| Dimensions | 290 × 200 × 120 mm |
| Weight | 0.8 kg |
Product Features
- Woodward ProTech-GII overspeed protection component
- Intended for turbine overspeed monitoring and protection
- Provides a dedicated protective function separate from normal speed governing
- Suitable for turbine safety and shutdown architectures
- Interfaces with the associated speed-monitoring and trip circuitry
- Suitable for industrial turbine protection applications
- Dimensions: 290 × 200 × 120 mm
- Weight: 0.8 kg
Working Principle
The overspeed protection system continuously monitors the turbine’s rotational speed through the associated speed-sensing arrangement.
A simplified protection path is:
Speed Sensor → ProTech-GII Protection System → Overspeed Detection → Trip / Shutdown System
During normal operation, the turbine governor manages operating speed. The protection system independently evaluates the measured speed against the configured overspeed protection threshold.
If an overspeed condition is detected, the protection system can initiate the appropriate trip action through the turbine shutdown circuit. This separation between governing and protection helps prevent a failure in the normal control loop from eliminating the independent overspeed protection function.
The exact voting arrangement, sensor configuration, trip logic, and shutdown interface depend on the complete ProTech-GII installation.
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Overspeed shutdown protection |
| Gas Turbines | Rotational-speed protection |
| Power Generation | Turbine safety systems |
| Industrial Turbomachinery | Overspeed monitoring |
| Mechanical Drive Turbines | High-speed protection |
| Compressor Drives | Turbine overspeed protection |
| Process Plants | Critical rotating-equipment protection |
| Utility Turbines | Independent protective shutdown |
Compatible System Components
| Component | Function |
|---|---|
| Woodward 8237-1369 | ProTech-GII overspeed protection |
| Speed Sensors | Detect turbine rotational speed |
| ProTech-GII Protection Hardware | Processes speed and protection information |
| Trip / Shutdown Circuit | Initiates protective equipment shutdown |
| Turbine Control System | Provides normal governing functions |
| Shutdown Valve / Actuator | Moves the turbine toward a safe shutdown condition |
| Power Supply | Provides operating power to protection hardware |
| Turbine | Protected rotating equipment |
The exact components and system architecture should be verified against the installed ProTech-GII configuration.
Installation and Maintenance
Overspeed protection is a safety-critical function, so installation and testing should follow the applicable turbine protection procedures and site requirements.
Recommended checks include:
- Confirm the complete 8237-1369 model number.
- Verify the ProTech-GII system configuration.
- Check speed-sensor wiring and connections.
- Inspect power and communication connections.
- Verify the trip/shutdown interface.
- Check sensor signal quality.
- Review configured protection parameters.
- Perform approved overspeed-protection testing during scheduled maintenance.
- Verify that the trip circuit operates correctly.
- Record protection-system test results according to site procedures.
Protection settings should not be changed casually. Any adjustment to overspeed thresholds or trip logic should follow the equipment manufacturer’s procedures and the plant’s approved safety practices.
Recommended Related Models
| Model / Component | Type | Primary Function | Application |
|---|---|---|---|
| Woodward 8237-1369 | ProTech-GII Overspeed Protection | Turbine overspeed protection | Turbine safety |
| Woodward 8200-205 | Overspeed Protection | Overspeed monitoring/protection | Turbomachinery |
| Woodward 8200-1311 | Digital Governor Module | Speed/governor control | Engine / turbine systems |
| Woodward 8200-226 | Servo Position Controller | Servo actuator positioning | Turbine / engine control |
| Woodward 8235-650 | Actuator | Mechanical actuation | Turbine / engine control |
| Woodward 8200-188 | Digital Valve Positioner | Valve positioning | Industrial control |
The listed models serve different control or protection functions, so they should not be treated as direct substitutes without checking the complete Woodward system architecture.
Key Advantages
- Dedicated turbine overspeed protection function
- Associated with the ProTech-GII protection platform
- Separates protection from normal governing functions
- Suitable for critical rotating equipment
- Supports turbine shutdown protection architectures
- Applicable to power-generation and industrial turbomachinery
- Dimensions of 290 × 200 × 120 mm
- Stated weight of 0.8 kg
Technical FAQs
What is the Woodward 8237-1369 used for?
The 8237-1369 is associated with the Woodward ProTech-GII overspeed protection system and is used for turbine speed monitoring and overspeed protection.
Is overspeed protection the same as turbine speed control?
No. Normal speed control regulates the turbine during operation, while overspeed protection provides a dedicated protective function intended to initiate a shutdown when the turbine reaches an unsafe speed condition.
What components work with an overspeed protection system?
A typical installation includes speed sensors, protection hardware, a trip/shutdown circuit, shutdown valves or actuators, power supplies, and the protected turbine. The exact arrangement depends on the ProTech-GII configuration.
What should be checked before replacing an 8237-1369?
Verify the complete model number, ProTech-GII architecture, speed-sensor arrangement, trip circuitry, power connections, configuration, and site-specific protection requirements. Overspeed protection components should not be selected solely by physical dimensions.