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MOOG 760K645B two-stage electro-hydraulic servo valve

The MOOG 760K645B is a high-performance two-stage electro-hydraulic servo valve from the renowned 760 Series, designed for precise flow, pressure, position, velocity, and force control in closed-loop hydraulic systems.

Product Details

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MOOG 760K645B

The MOOG 760K645B is a high-performance two-stage electro-hydraulic servo valve from the renowned 760 Series, designed for precise flow, pressure, position, velocity, and force control in closed-loop hydraulic systems. It is widely used in critical industrial automation and turbine control applications where fast dynamic response and high accuracy are required.

Key Features

  • Two-stage nozzle-flapper servo valve design
  • Mechanical feedback (MFB) for stable and accurate spool positioning
  • High resolution with low hysteresis
  • Fast response characteristics for demanding servo applications
  • Compact and rugged construction
  • Suitable for continuous-duty industrial environments
  • Compatible with high-pressure hydraulic systems up to approximately 315–350 bar depending on configuration and body material.

Typical Specifications

Parameter Value
Product Type Electro-hydraulic Servo Valve
Series MOOG 760 Series
Model 760K645B
Control Method Mechanical Feedback
Mounting Standard ISO 10372-04 Size 04
Rated Flow Approximately 0.5–75 L/min (configuration dependent)
Operating Pressure Up to 315–350 bar
Response Time Approximately 4–16 ms
Weight Approximately 1–1.7 kg

Actual specifications may vary based on the exact valve configuration code and factory options.

Typical Applications

The MOOG 760K645B is commonly found in:

  • Steam turbine control systems
  • Gas turbine governors
  • Power generation equipment
  • Steel and metal processing machinery
  • Plastic injection molding machines
  • Aerospace hydraulic systems
  • Defense and military control systems
  • Hydraulic test benches and simulation platforms
  • High-performance industrial automation equipment

Benefits

High Precision

Provides exceptional positioning accuracy and repeatability in servo-controlled hydraulic systems.

Fast Dynamic Response

Enables rapid machine response and improved process control performance.

Proven Reliability

The MOOG 760 Series has a long-established reputation in mission-critical industrial and aerospace applications.

Long Service Life

Designed for continuous operation when proper hydraulic filtration and maintenance practices are followed.

Product Description

MOOG 760K645B Servo Valve is a premium electro-hydraulic control valve engineered for high-precision industrial automation and turbine control applications. Featuring a two-stage mechanical feedback design, the 760K645B delivers outstanding dynamic response, accurate flow regulation, and long-term reliability. Ideal for power generation, aerospace, metal processing, and hydraulic test systems, this servo valve ensures precise control and stable performance under demanding operating conditions. Its robust construction, high-pressure capability, and industry-proven MOOG technology make it a trusted solution for critical hydraulic control systems worldwide.

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