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Woodward 9907-162 Digital Steam Turbine Controller

Woodward 9907-162 Digital Steam Turbine Controller

Product Description

The Woodward 9907-162 is a digital control unit from the Peak 150 series, designed for precise governing of constant-speed steam turbines. This microprocessor-based controller replaces obsolete mechanical-hydraulic governors and is tailored for turbines...

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Availability: Low stock: 99 left

SKU: 9907-162
Vendor: Woodward
Category: Digital Steam Turbine Controller
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Product Description

The Woodward 9907-162 is a digital control unit from the Peak 150 series, designed for precise governing of constant-speed steam turbines. This microprocessor-based controller replaces obsolete mechanical-hydraulic governors and is tailored for turbines driving centrifugal pumps, fans, or compressors. By processing high-speed magnetic pickup signals, the 9907-162 ensures accurate speed control and rapid response to load changes.

Built for field-mounting, the 9907-162 features a NEMA 4X rated enclosure, making it resistant to moisture, dust, and corrosive vapors found in chemical processing and power generation environments. The interface allows direct calibration of PID dynamics, speed setpoints, and overspeed trip logic, ensuring safe and efficient operation.

Technical Specifications

Specification Details
Part Number 9907-162
Control Type Single-valve Steam Turbine Governor
Power Input 18–32 VDC
Speed Input Integrated Magnetic Pickup (MPU)
Analog Output 4–20 mA or 0–200 mA (Configurable)
Discrete I/O Configurable relay outputs for Alarms and Shutdowns; Contact inputs for Remote Reset/Start
Enclosure Rating NEMA 4X (Weatherproof and corrosion-resistant)
Communication RS-232 / RS-422 Service Port for PC-based configuration
Dimensions 27 cm x 35 cm x 10 cm
Weight 3.0 kg 

Application & Engineering FAQ

Can the 9907-162 be used for generator synchronization?

No, the Peak 150 series is designed for mechanical drive applications (such as pumps and compressors). For generator load sharing and synchronization, the Woodward 505 or 2301D series would be more appropriate.

What happens if the speed signal is lost?

The 9907-162 has a Loss of Speed Detection circuit that triggers an immediate safety shutdown (trip) to prevent uncontrolled turbine acceleration.

Is the enclosure suitable for outdoor installation?

Yes, the NEMA 4X enclosure is designed for outdoor use, but it is recommended to install a sunshade in high-temperature tropical climates to protect internal components and prolong their lifespan.