Product Overview
Woodward 8237-1597 is a bulkhead-mounted overspeed protection device belonging to the ProTech-GII series. Designed specifically for rotating machinery such as steam, gas and hydraulic turbines,
it triggers a safe shutdown in case of overspeed or excessive acceleration by real-time monitoring of rotor speed and acceleration, thus preventing equipment damage and personal injury. It is widely used in
safety protection scenarios of critical industrial equipment.
Core Parameters
Model: 8237-1597 (ProTech-GII Series)
Manufacturer: Woodward
Rated Voltage: 24V DC
Power Consumption: 25W
Input Signal: Speed sensor signal (compatible with active/passive magnetic pickup units (MPU))
Output Signal: Relay contact signal, digital signal output
Response Time: <10ms (millisecond-level fast response)
Measurement Accuracy: ±0.1%
Operating Temperature: -40°C to 85°C
Protection Class: IP65
Mounting Method: Bulkhead Mount
Dimensions: 120mm × 80mm × 35mm
Weight: Approx. 1.5kg
Woodward ProTech-GII Installation and operation manual
https://www.manualslib.com/manual/1213341/Woodward-Protech-Gii.html
Communication Interface: RS-485 communication interface supported
Certification Standards: IEC61508 SIL-3 certified, compliant with international standards API 670 and API 612
Core Functions
Real-time monitoring of turbine speed and acceleration for accurate identification of overspeed risks
Support for programmable trip speed and delay time to meet the requirements of different equipment
Triple-module design supporting online maintenance and module replacement without affecting equipment operation
Built-in fault diagnosis and alarm functions, recording 50 trip/alarm events and 20 overspeed events
Optional automatic overspeed test program for regular performance verification and report generation
Sulfur-resistant conformal coating, resistant to H₂S and SO₂ gas corrosion, suitable for harsh environments
Application Fields
Safety protection of rotating machinery including turbines, generator sets, pumps, fans and compressors in fields such as petrochemical industry,
power generation, natural gas extraction, marine industry, steel manufacturing, papermaking industry and water conservancy projects.
Replacement and Compatibility
Replacement for Old Models: 9907-146, 9907-147, 9907-148, 9907-149, 9907-150, 9907-151
Upgrade Model: 8237-2597 (upgradeable via software conversion kit 8929-039)
Configuration Tool: Compatible with Woodward ProTech Service Tool (Model 9927-1810)
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