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- Woodward
- 8237-1600
- Overspeed Safety Device
- USA
- 196 × 143 × 86 mm
- 12 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Woodward 8237-1600 ProTech-GII Overspeed Safety Device is an overspeed protection device associated with the Woodward ProTech-GII turbine protection platform. It is used to monitor turbine speed and support protective shutdown when an unsafe overspeed condition is detected.
Unlike a normal governor, which continuously regulates turbine speed during operation, an overspeed safety device serves a dedicated protection function. It forms part of the turbine’s safety architecture and works with speed-sensing equipment and the shutdown system to help prevent excessive rotational speed from causing equipment damage.
The 8237-1600 is intended for industrial turbine and rotating-equipment protection applications where independent overspeed protection is required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Woodward |
| Model | 8237-1600 |
| Product Platform | ProTech-GII |
| Product Type | Overspeed Safety Device |
| System Role | Overspeed Protection |
| Application | Turbine Safety / Protection |
| Dimensions | 196 × 143 × 86 mm |
| Weight | 12 kg |
Product Features
- Woodward ProTech-GII overspeed safety device
- Intended for turbine overspeed protection
- Provides a dedicated safety function separate from normal governing
- Suitable for critical rotating equipment
- Works with turbine speed-sensing and shutdown circuits
- Suitable for power-generation and industrial turbomachinery
- Dimensions: 196 × 143 × 86 mm
- Weight: 12 kg
Working Principle
The 8237-1600 operates as part of an independent turbine protection chain.
A typical arrangement is:
Speed Sensor → ProTech-GII Overspeed Protection → Trip Logic → Shutdown System
The speed-sensing system continuously provides turbine rotational-speed information. The protection system evaluates the measured speed against the configured protection threshold.
If the monitored speed reaches an unsafe overspeed condition, the protection system initiates the appropriate trip action through the turbine shutdown circuit. The shutdown system can then move the turbine toward a safe state.
This protection function is separate from normal speed regulation, so the turbine governor and overspeed protection system have different responsibilities within the overall control architecture.
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Overspeed shutdown protection |
| Gas Turbines | High-speed protection |
| Power Generation | Turbine safety systems |
| Industrial Turbomachinery | Rotational-speed protection |
| Mechanical Drive Turbines | Overspeed monitoring |
| Compressor Drives | Turbine protection |
| Process Plants | Critical rotating-equipment protection |
| Utility Equipment | Emergency turbine shutdown |
Compatible System Components
| Component | Function |
|---|---|
| Woodward 8237-1600 | Overspeed safety and protection |
| ProTech-GII Hardware | Protection-system processing |
| Speed Sensors | Detect turbine rotational speed |
| Trip Circuit | Initiates protective shutdown |
| Shutdown Valve / Actuator | Moves equipment toward a safe state |
| Turbine Controller | Provides normal governing functions |
| Power Supply | Provides operating power |
| Turbine | Protected rotating equipment |
The exact components and system architecture depend on the specific ProTech-GII installation.
Installation and Maintenance
Because overspeed protection is a safety-critical function, installation and maintenance should follow the applicable turbine manufacturer’s procedures and site safety requirements.
Recommended checks include:
- Confirm the complete 8237-1600 model number.
- Verify the ProTech-GII system configuration.
- Check the speed-sensor connections.
- Inspect power and signal wiring.
- Verify the trip and shutdown interfaces.
- Check protection-system diagnostics.
- Confirm configured protection parameters.
- Perform approved overspeed trip testing during scheduled maintenance.
- Verify the shutdown circuit operates correctly.
- Record test results according to plant maintenance procedures.
Protection thresholds and trip logic should only be modified under approved engineering and commissioning procedures.
Recommended Related Models
| Model / Component | Type | Primary Function | Application |
|---|---|---|---|
| Woodward 8237-1600 | ProTech-GII Overspeed Safety Device | Overspeed protection | Turbine safety |
| Woodward 8237-1369 | ProTech-GII Overspeed Protection | Turbine overspeed protection | Turbine protection |
| Woodward 8200-205 | Overspeed Protection | Overspeed monitoring/protection | Turbomachinery |
| Woodward 8200-1311 | Digital Governor Module | Governor control | Engine / turbine systems |
| Woodward 8200-226 | Servo Position Controller | Servo positioning | Turbine / engine control |
| Woodward 8235-650 | Actuator | Mechanical actuation | Turbine / engine control |
These products perform different functions within turbine control and protection systems, so they should not be treated as direct substitutes without verifying the complete system configuration.
Key Advantages
- Dedicated overspeed safety function
- Associated with the ProTech-GII protection platform
- Separates turbine protection from normal speed governing
- Suitable for critical rotating equipment
- Supports turbine shutdown protection
- Applicable to power-generation and industrial turbomachinery
- Compact protective-device format
- Dimensions of 196 × 143 × 86 mm
- Stated weight of 12 kg
Technical FAQs
What is the Woodward 8237-1600 used for?
The 8237-1600 is a ProTech-GII overspeed safety device used as part of a turbine overspeed protection system.
What is the difference between an overspeed safety device and a governor?
A governor regulates turbine speed during normal operation, while an overspeed safety device provides a dedicated protective function intended to initiate a shutdown when turbine speed reaches an unsafe level.
What equipment works with the 8237-1600?
A typical protection arrangement includes speed sensors, ProTech-GII protection hardware, a trip circuit, shutdown valves or actuators, power supplies, and the protected turbine.
What should be checked before replacing an 8237-1600?
Verify the complete model number, ProTech-GII architecture, speed-sensor arrangement, trip circuitry, power requirements, configuration, and shutdown-system interface. Physical dimensions alone are not sufficient to establish compatibility.