MOOG J761-003A Servo Valve Most Favorable

Overview

The MOOG J761-003A is a high-performance, pilot-operated servo valve. It belongs to the renowned 761 Series, built for industrial motion control applications. Engineers use it in systems that demand precision, durability, and fast dynamic response. Its compact design fits tight installations, while its robust construction ensures reliable performance under high pressure and temperature extremes.

Technical Specifications

Valve Type:

• Two-stage flow control with nozzle-flapper pilot stage
• Four-land sliding spool for precise modulation

Flow Capacity:

• 0.5 to 75 l/min (0.125 to 19.5 gpm)

Operating Pressure:

• Aluminum body: 315 bar (4,500 psi)
• Steel body: 350 bar (5,000 psi)

Performance Metrics:

• Step Response Time: <4 ms to <16 ms
• Threshold: ≤ 0.5%
• Hysteresis: ≤ 3.0%
• Null Shift (ΔT = 55 K): ≤ 2.0%
• Main Stage Leakage Flow: ~1.2 to 2.3 l/min

Electrical Signal:

• Rated Input Current: 8 to 200 mA (analog)

Mounting and Installation:

• Mounting Size: ISO 10372-04-04-0-92
• Installation Position: Any (fixed or movable)

Weight:

• 1.0 kg

Hydraulic Compatibility:

• Fluid Type: Per DIN 51524 parts 1–3, ISO 11158
• Viscosity Range: 10 to 97 mm²/s at 38 °C

Environmental Conditions:

• Ambient Temp: -29°C to +135°C (-20°F to +275°F)
• Storage Temp: -40°C to +60°C (-40°F to +140°F)