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Over-Speed Detection Device Woodward 8237-1369

Over-Speed Detection Device Woodward 8237-1369

Product Description

The 8237-1369 is a high-integrity overspeed protection controller from the ProTech-GII series developed by Woodward, Inc.. It is engineered for safety-critical turbine applications including steam, gas, and hydro turbines, providing continuous real-time...

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Availability: Low stock: 99 left

SKU: 8237-1369
Vendor: Woodward
Category: Over-speed Detection Device
Related Series:

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Product Description

The 8237-1369 is a high-integrity overspeed protection controller from the ProTech-GII series developed by Woodward, Inc.. It is engineered for safety-critical turbine applications including steam, gas, and hydro turbines, providing continuous real-time monitoring of rotational speed and acceleration trends.

The system uses Triple Modular Redundant (TMR) architecture with 2oo3 voting logic, ensuring high system availability and fault tolerance. If one module fails, the remaining modules continue providing full overspeed protection without causing nuisance trips.

The module also supports periodic automated self-testing of trip circuits without requiring turbine shutdown. Its conformal coating provides strong resistance against corrosive industrial gases such as H₂S and SO₂, making it suitable for refinery, offshore, and heavy industrial environments.

Technical Specifications

Parameter Specification
Model 8237-1369
Architecture Triple Modular Redundant (TMR), 2oo3 voting
Primary Sensing MPU speed sensing + acceleration rate monitoring
High Voltage Input 115 VAC / 240 VAC / 125 VDC
Low Voltage Input 24 VDC
Protection Reverse polarity protection on DC circuits
User Interface 15-key local control keypad per module
Diagnostics Automatic self-test and event logging
Chemical Protection Conformal coating (IEC 721-3-3 compliant)
Operating Temperature –20°C to +60°C
Dimensions 330 × 445 × 159 mm

Application

  • Offshore oil and gas turbine installations

  • Utility-scale power generation plants

  • Petrochemical and refinery processing facilities

  • High-value rotating machinery protection systems

FAQ

Can the system be serviced while the turbine is running?
Yes. The TMR architecture allows individual module servicing while the remaining modules maintain protection logic.

How does acceleration detection help?
It detects abnormal speed increase trends and can initiate shutdown before reaching the absolute overspeed threshold.

Is it resistant to corrosive gases?
Yes. The protective conformal coating resists H₂S and SO₂ corrosion effects.