MOOG 760K645B Servo Valve – High-Performance Electro-Hydraulic Control

The MOOG 760K645B Servo Valve is a premium two-stage electro-hydraulic servo valve designed for precise motion control in demanding industrial and aerospace applications. Manufactured by Moog Inc., this model belongs to the trusted 760 Series known for reliability, fast response, and long service life.

Overview

The MOOG 760K645B is engineered for high-precision flow and pressure control in closed-loop hydraulic systems. Its mechanical-feedback design ensures accurate spool positioning and stable performance even under high-pressure operating conditions.

This servo valve is widely used in industries requiring high dynamic response and repeatable accuracy, including power generation, steel manufacturing, plastic injection molding, and advanced testing systems.

Key Features

• Two-stage nozzle-flapper pilot design for precise control
• Mechanical feedback (MFB) for stability and reliability
• High resolution with low hysteresis and minimal drift
• Compact and rugged design for harsh industrial environments
• Compatible with 3-way and 4-way hydraulic control systems
• Long service life when used with proper hydraulic filtration

Typical Technical Specifications

(Specifications may vary depending on configuration code)

Hydraulic Performance

• Rated flow range: approx. 0.5 – 75 L/min
• Maximum operating pressure:
  • Aluminum body: 315 bar (4500 psi)
  • Steel body: 350 bar (5000 psi)

Dynamic Response

• 100% step response: < 4 – 16 ms
• High frequency response suitable for servo applications

Electrical Characteristics

• Command signal: 8 – 200 mA (typical)
• Analog control compatibility

Mechanical Data

• Mounting interface: ISO 10372-04 (Size 04)
• Weight: approx. 1 – 1.7 kg

Model Code Explanation

760K645B typically indicates:

Applications

The MOOG 760K645B servo valve is ideal for:

• Steam and gas turbine control systems
• Steel and metal forming equipment
• Plastic injection molding machines
• Test benches and simulation platforms
• Aerospace and defense hydraulic control systems
• High-precision industrial automation

Benefits

High Precision Motion Control

Provides exceptional accuracy and repeatability for critical hydraulic systems.

Fast Dynamic Response

Ensures rapid system reaction and improved machine productivity.

Proven Industrial Reliability

Moog 760 series valves are trusted worldwide in mission-critical applications.

Easy Integration

ISO mounting and analog control make installation straightforward.

Conclusion

The MOOG 760K645B Servo Valve is a reliable and high-performance solution for precision hydraulic control. With its fast response, robust construction, and industry-proven design, it remains a preferred choice for engineers seeking dependable electro-hydraulic servo performance.

Main brand :

ABB   Allen-Bradley   Alstom   Bently   GE   MOOG   Schneider 

Woodward    HIMA    Honeywell    Emerson    Foxboro

First hand source, affordable price. Spot inventory!

•Shipping Port: Xiamen

•Ship to you via Fedex/DHL/TNT/UPS/EMS

•Package: Original packing with cartons

Our Main Brands

DCS/PLC/TSI Manufacturers:
ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc.

Product Categories & Models

1. Distributed Control System (DCS)

• ABB:3AUA0000110429, SYSCON2 746924
• Invensys Foxboro:FBM214, FBM242, B0123HE
• Invensys Triconex:3625, 3700A, 3604E
• Woodward:5462-758B
• HIMA:F2-DO-16-02, F8650E
• Yokogawa:SAI143-S03 S1, F9342L-02
• Honeywell:51402497-200, 51403519-160, 51199194-100, CC-PDO801
• Emerson:KJ4001X1-NB1, 12P3368X012

2. Programmable Logic Controller (PLC)

• Rockwell/Allen Bradley:1734-IB8, 1734-OB8, 1769-L18ER-BB1B, 1756-IM16I
• ICS Triplex:T8461, T8850, T8403, T8431, T8831, T8310
• Schneider Modicon:140DDI85300
• GE Fanuc:IS210AEPSG2B, IS220UCSAH1A, IS215ACLEH1A, IS210AEAAH1B
• Siemens:6ES7331-1KF02-0AB0
• Prosoft:MVI46-DFNT
• Bachmann:MPC240
• Woodhead:9905-068 2301A

3. Turbine Supervisory Instrumentation (TSI)

• Bently Nevada:3500/22M, 138607-01, 3500/25, 3500/53, 3500/32M 149986-02
• EPRO:MMS6110, MMS6120, MMS6220, MMS6312, MMS6410, 6423, 6424
• ENTEK:EK C6622HS, XM124, 1440-SDM02-01RA