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The 8901-037 is a high-performance booster servo actuator manufactured by Woodward for precision mechanical actuation in industrial control systems. This servo motor is designed to convert low-power electronic control signals...
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The 8901-037 is a high-performance booster servo actuator manufactured by Woodward for precision mechanical actuation in industrial control systems. This servo motor is designed to convert low-power electronic control signals into high-force mechanical motion, enabling accurate positioning of fuel control valves, steam admission valves, and mechanical linkage assemblies.
The 8901-037 is commonly deployed in prime mover control systems, including turbine and engine governor applications, where deterministic response and low hysteresis are critical. Its rugged construction allows reliable operation in harsh industrial environments such as turbine enclosures and engine rooms.
Engineered for thermal and mechanical stability, the servo maintains consistent torque output across a wide temperature range. Precision internal components and high-quality winding materials ensure long operational life with reduced maintenance requirements while maintaining accurate actuator positioning in dynamic load conditions.
| Item | Specification |
|---|---|
| Model Designation | 8901-037 |
| Component Type | Booster Servo Motor / Hydraulic-Mechanical Actuator |
| Torque / Output Force | High-inertia valve positioning optimized |
| Operating Temperature | -40°C to +90°C |
| Housing Material | Corrosion-resistant industrial alloy |
| Duty Cycle | Continuous 24/7 operation |
| Dimensions | 35 mm × 7.5 mm |
| Weight | 2.0 kg |
The 8901-037 is widely used in:
Gas turbine and steam turbine governor control systems
Diesel engine speed and load regulation
Power generation frequency stabilization
Compressor and mechanical drive actuator positioning
It is particularly important in applications requiring precise fuel rack synchronization and steam flow control to maintain stable grid frequency and system pressure balance.
Can the 8901-037 be used in hazardous locations?
Yes. The servo is typically installed inside protective control enclosures. Hazardous area suitability depends on the specific certification listed on the product nameplate (such as Class I, Division 2 environments).
Is this motor compatible with 2301A or 723 Plus governors?
Yes. The 8901-037 is designed to interface with a wide range of Woodward governor systems. However, depending on governor output characteristics, an intermediate driver amplifier may be required to achieve full torque performance.
