Woodward 9907-186 Electro-Hydraulic Linear Actuator

Woodward 9907-1386 Electro-Hydraulic Linear Actuator Specifications

Overview

The Woodward 9907-1386 is an electro-hydraulic linear actuator engineered specifically for controlling steam turbine valves or valve racks. This actuator is known for its robustness, precision, and high-performance capabilities in demanding industrial environments.

Key Features

Design and Reliability:

• Dirt-Tolerant Design: The actuator has only two moving parts, ensuring high reliability even in environments with significant dirt and debris.
• Self-Cleaning Valve Design: Helps prevent oil contamination, maintaining consistent performance over time.

Performance and Control:

• Variable/Configurable Shaft Stroke Lengths: Allows for precise control of steam valves, accommodating various operational requirements.
• Fast Slew Rates: Capable of achieving up to 762 mm/s (30 inches/second) at 500 psi supply pressure (no load), facilitating rapid response times.

Technical Specifications

Mechanical Specifications:

• Shaft Stroke Lengths: Variable and configurable to meet specific application needs.
• Slew Rate: Up to 762 mm/s (30 inches/second) at 500 psi supply pressure (no load).

Environmental and Operational Capabilities:

• Operating Pressure: Designed to operate efficiently at a supply pressure of 500 psi.
• Durability: Constructed to withstand challenging environments, maintaining functionality despite dirt and contaminants.

Maintenance and Longevity:

• Low Maintenance: The simple design with minimal moving parts reduces maintenance requirements.
• Self-Cleaning Mechanism: Ensures long-term performance by preventing oil contamination.

Application and Usage

Steam Turbine Control:

• Primary Use: Specifically designed for controlling steam turbine control valves or valve racks.
• Precision Control: Variable shaft stroke lengths and fast slew rates provide precise and responsive control necessary for steam turbine operations.

Industrial Environment Suitability:

• Robust Construction: Built to operate reliably in harsh industrial conditions.
• Dirt and Contaminant Resistance: Self-cleaning design and dirt-tolerant construction enhance reliability and reduce downtime.