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Moog G771K227A Servo Valve – High-Performance Electro-Hydraulic Control Valve
Product Overview
The Moog G771K227A Servo Valve is a high-precision electro-hydraulic servo valve designed for demanding industrial motion control systems. Manufactured by Moog Inc., this model belongs to the renowned 77x servo valve family known for exceptional dynamic response, reliability, and compact design.
The G771K227A is widely used in applications that require accurate control of position, velocity, pressure, or force in hydraulic systems.
Key Features and Benefits
High Dynamic Performance
- Fast step response for precise control
- High frequency response for demanding motion systems
- Excellent repeatability and resolution
Proven Two-Stage Servo Valve Design
- Mechanical feedback (MFB) technology
- Direct-operated electro-hydraulic control
- Stable and reliable long-term performance
Compact and Easy Integration
- ISO Size 02 mounting footprint
- Lightweight and compact body
- Compatible with many hydraulic manifolds and systems
Long Service Life
- Designed for continuous industrial operation
- Field-serviceable and repairable
- High resistance to wear and contamination when properly filtered
Typical Technical Specifications
Hydraulic Performance
- Rated flow range: approx. 1.9–57 L/min (0.5–15 gpm)
- Maximum operating pressure: 210–350 bar (3000–5000 psi)
Dynamic Characteristics
- Step response: 4–17 ms
- Frequency response: 115–215 Hz
Electrical Characteristics
- Command signal: 8–200 mA analog input
Mechanical Data
- Mounting pattern: ISO Size 02
- Weight: approx. 0.86 kg
Exact values depend on spool configuration and system setup.
Typical Applications
The Moog G771K227A is designed for high-precision hydraulic control in industries such as:
- Injection molding machines
- Hydraulic presses and forming equipment
- Turbine and power generation control systems
- Aerospace testing and simulation rigs
- Robotics and industrial automation
- Material testing machines
These applications require fast response, high accuracy, and consistent performance under demanding conditions.
Replacement and Compatibility
The G771K227A is an upgraded replacement for the earlier G771K227 model and maintains compatibility with the broader Moog 771/772/773 servo valve platform, making upgrades and maintenance straightforward.
Why Choose the Moog G771K227A Servo Valve?
- Industry-leading motion control technology
- High reliability in critical hydraulic systems
- Compact size with powerful performance
- Easy integration and maintenance
- Trusted by OEMs and industrial operators worldwide
Conclusion
The Moog G771K227A Servo Valve is an ideal solution for high-precision electro-hydraulic control applications. Its combination of dynamic performance, compact design, and proven reliability makes it a preferred choice for industrial automation, testing equipment, and heavy machinery.
Main Brand:
ABB Allen-Bradley Alstom Bently Emerson Foxboro
GE MOOG Schneider Woodward HIMA Honeywell
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•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.
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