WOODWARD 9907-1364

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WOODWARD 9907-1364 actuator.

Based on available information, the WOODWARD 9907-1364 is an actuator that falls within a series of high-performance electro-hydraulic actuators from Woodward. While the exact detailed model designation for 9907-1364 isn’t immediately visible in public search results as precisely as some other part numbers (like the V45TD series), its numerical proximity to known V45TD actuators (e.g., 9907-1359, 9907-1360) strongly suggests it is also a rotary, double-acting electro-hydraulic actuator.

Woodward is a world-renowned manufacturer of control systems for industrial applications, especially for turbomachinery and large engines. Their actuators are critical devices that convert electronic control signals into precise physical motion.

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Product Overview

The WOODWARD 9907-1364 is an electro-hydraulic actuator. Given its part number series, it is very likely a double-acting, rotary actuator, meaning it uses hydraulic pressure to control precise rotational movement in both directions.

Actuators like the 9907-1364 are essential components in industrial control loops. They translate electrical commands from a control system (such as a governor, PLC, or turbine control system) into the exact physical motion required to operate control valves, dampers, or other mechanisms that regulate fluid flow or mechanical position in critical industrial machinery, especially large prime movers like gas or steam turbines, or large engines.

• Type: Electro-Hydraulic Actuator (Likely Rotary, Double-Acting)
• Manufacturer: Woodward
• Model Number: 9907-1364
• Primary Function: Converts electrical control signals into precise, high-force physical rotation to position a valve, damper, or other controlled device, often in demanding turbomachinery or large engine applications.

Detailed Product Description

In complex industrial environments, where the control of high-value assets like gas turbines, steam turbines, or large industrial engines is critical, the ability to rapidly and accurately manipulate fuel, air, or steam flow is paramount for both performance and safety. The WOODWARD 9907-1364 is engineered for these vital roles. It serves as the robust link between the sophisticated commands of an electronic control system and the physical components that make real-time adjustments to operational parameters.

Actuators in this series are generally rotary electro-hydraulic actuators. This design offers several key advantages:

1. Electro-Hydraulic Operation: This type of actuator uses an electrical signal to modulate a self-contained hydraulic system or an external hydraulic power unit (HPU). This hydraulic power then generates the mechanical force. This design allows for very high force/torque output from a relatively compact unit, as hydraulics offer excellent power density and stiffness, crucial for stable and rapid control.
2. Rotary Output: Unlike linear actuators, these produce rotational motion. This makes them ideal for operating devices such as butterfly valves, rotary dampers, or other mechanisms that require angular positioning.
3. Double-Acting: The “Double-Acting” characteristic (if confirmed for this specific model, which is common in this series) means that hydraulic pressure is actively applied to both sides of the actuator’s piston or vane. This provides precise control over movement in both directions (e.g., clockwise and counter-clockwise rotation) and allows for a firm hold on the desired position. This is essential for dynamic control applications where constant adjustment is needed.

Key Features and Benefits (General to Woodward’s High-Performance Actuators like 9907-1364):

• High Positioning Accuracy: Engineered for highly accurate and repeatable positioning of control elements, which is vital for maintaining stable speed, load, frequency, or other process variables in a prime mover.
• Fast Response Time: The electro-hydraulic design enables quick and precise responses to control signals, allowing for dynamic adjustments to fuel or steam flow. This is critical for managing transient conditions and maintaining stability in high-performance turbomachinery or engines.
• Robust Industrial Design: Built to withstand harsh industrial environments, including significant vibration, wide temperature fluctuations, and potential contaminants, ensuring long-term reliability and reducing the need for frequent maintenance.
• High Force/Torque Output: The hydraulic power allows the actuator to generate substantial force or torque, making it suitable for operating large control valves or dampers against high differential pressures.
• Seamless Integration: Designed to integrate smoothly with Woodward’s comprehensive range of governors and control systems (such as the 505, MicroNet, Peak series, and other specialized turbine/engine controllers), forming an optimized, closed-loop control solution. It typically accepts standard industrial electrical command signals (e.g., 4-20 mA or voltage signals).

Technical Specifications (Inferred/Typical for this series):

While proprietary specifications for the exact 9907-1364 part number are not always publicly available, here are general inferred specifications based on its classification within Woodward’s high-performance actuator lines:

Application Areas

The WOODWARD 9907-1364 actuator is a critical component in applications that demand precise, powerful, and rapid control over fluid flow or mechanical position in heavy-duty machinery. Its primary applications include:

• Gas Turbine Fuel Control: Precisely positioning fuel gas or liquid fuel valves to regulate fuel flow to the turbine, directly controlling the turbine’s speed, power output, and exhaust temperature.
• Steam Turbine Valve Control: Actuating steam admission valves, extraction valves, or other critical steam path components to manage turbine speed, generated power, or process steam demands.
• Large Engine Fuel/Air Control: Controlling fuel racks, throttle bodies, or air dampers on large diesel or gas engines for speed, load, and emission control.
• Compressor Control: Operating critical valves like anti-surge valves or recycle valves in large industrial compressors to maintain stable operation and prevent costly surge conditions.
• Power Plant Auxiliary Control: Controlling dampers in boiler systems, exhaust stacks, or other large air/gas flow paths.
• Other Process Industries: Any large-scale industrial process requiring highly accurate and powerful modulation of fluid flow or mechanical position, where the actuator is subjected to demanding operational conditions.

Related Products & Systems

The WOODWARD 9907-1364 actuator does not operate in isolation; it’s an integrated part of a larger, sophisticated control architecture:

• Woodward Governors and Control Systems: These electronic controllers (e.g., 505, MicroNet Plus, Peak series, or specialized turbine/engine control systems like the 2301A/D/E series) serve as the “brain,” receiving sensor feedback, executing control algorithms, and sending the precise electrical command signal to the 9907-1364.
• Control Valves or Dampers: These are the mechanical devices that the actuator directly connects to and manipulates. They are the physical elements that modulate fuel, steam, or air flow.
• Hydraulic Power Units (HPUs): As an electro-hydraulic actuator, a dedicated HPU is typically necessary to provide the pressurized hydraulic fluid that powers the actuator’s mechanical movement.
• Position Feedback Devices: Actuators often include or are paired with position feedback sensors (e.g., LVDTs, potentiometers) that send the actuator’s actual position back to the controller, allowing for closed-loop control and verification of movement.