MOOG G771K625A electro-hydraulic servo valve

MOOG G771K625A Servo Valve Overview

Manufacturer: Moog
Model: G771K625A
Type: Electro-hydraulic servo valve (G771 Series)

Product Description

The MOOG G771K625A is a high-performance electro-hydraulic servo valve designed for precise flow and motion control in industrial and automation systems. It belongs to Moog’s 771/772/773 direct-operated servo valve family, widely used in demanding hydraulic control applications.

This model replaces the earlier G771K625 and provides analog signal-controlled flow regulation for high-precision systems.

Key Features

• Electro-hydraulic servo valve for analog signal control
• Direct-operated flow control design
• Compact and rugged construction for long-life operation
• High dynamic response and accuracy
• Suitable for harsh industrial environments
• Compatible with PLC/DCS hydraulic control systems

Technical Characteristics (G771 Series)

Typical specs for the Moog 771 servo valve family:

Hydraulic Performance

• Rated flow: 1.9–57 L/min (0.5–15 gpm)
• Max operating pressure: 210–350 bar (3000–5000 psi)

Dynamic Performance

• Step response: 4–17 ms
• Frequency response: 115–215 Hz

Electrical

• Rated signal: 8–200 mA analog control

Design

• Mechanical feedback (MFB) servo valve
• High spool driving force, low hysteresis
• Small size, high reliability

Typical Applications

G771 series servo valves are widely used in:

• Industrial automation
• Steel and metallurgy equipment
• Injection molding machines
• Aerospace and test systems
• Power generation and oil & gas
• Robotics and precision motion control

Main Brand:

ABB   Allen-Bradley   Alstom   Bently     Emerson   Foxboro

GE    MOOG    Schneider    Woodward    HIMA    Honeywell 

First hand source, affordable price. Spot inventory!

•Shipping Port: Xiamen

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

•Package: Original packing with cartons

Why Choose Us?

We stand out in the competitive market through our unwavering commitment to quality, service, and value:

✅ Extensive Product Portfolio
We partner with top-tier brands (ABB, Siemens, Honeywell, Schneider, etc.) to offer a diverse range of industrial automation products, ensuring we meet the unique demands of every customer.

✅ Professional & Customer-Centric Service
Our experienced team provides end-to-end support—from product selection to after-sales service—ensuring a seamless and efficient experience.

✅ Global Supply Chain Network
Through long-term partnerships with domestic and international manufacturers, we offer flexible trade channels, reliable sourcing, and fast delivery.

✅ Competitive Pricing
By optimizing our supply chain and operational efficiency, we provide high-quality products at cost-effective prices without compromising on reliability.