The Moog G403-552A represents advanced two-stage electro-hydraulic servo valve technology, incorporating a robust mechanical feedback system for enhanced stability and precision. This servo valve is engineered to meet the demanding requirements of both industrial and aerospace applications where precise flow control and reliability are paramount.

Key Technical Features:

• Mechanical Feedback System: Provides stable and precise control through direct mechanical linkage between the main stage and pilot stage

• Two-Stage Design: Pilot stage ensures precise control of the main stage for high-flow applications

• High Resolution: Excellent resolution characteristics enable precise flow control for sensitive applications

• Robust Construction: Designed to withstand harsh operating conditions including vibration and contamination

• Wide Operating Range: Maintains stable performance across broad pressure and temperature ranges

Technical Specifications:

• Rated Flow: 55 L/min at 70 bar pressure drop

• Maximum Operating Pressure: 210 bar

• Hysteresis: < 3%

• Null Leakage: < 5% of rated flow

• Frequency Response: > 80 Hz at ±100% signal

• Operating Temperature Range: -40°C to +135°C

• Coil Resistance: 40 Ω ±10% per coil

Typical Applications:

• Aerospace flight control systems

• Industrial automation equipment

• Test and simulation platforms

• Material testing machines

• Precision manufacturing systems

The G403-552A incorporates Moog's proven servo valve technology, delivering reliable performance and long service life in the most demanding motion control applications.