Product Details

MOOG 743F002B belongs to MOOG 743 series two-stage mechanical feedback electro-hydraulic servo valve, designed for high-flow precision closed-loop hydraulic control systems. This moog servo valve adopts torque motor driven dual-nozzle flapper pilot stage structure, which delivers high resolution, low hysteresis and stable repeatability under long-term cyclic loading conditions. It uses mechanical spool feedback design to maintain consistent flow output without electronic spool position feedback, performing reliably under vibration and ambient temperature changes in industrial sites. The valve is equipped with a field-replaceable first-stage filter, which can intercept solid particles in hydraulic fluid, protect precision internal components and reduce system maintenance frequency and downtime. It receives standard analog current command signals, drives the torque motor to adjust the spool opening, and converts electrical signals into proportional hydraulic flow output, so as to precisely control the displacement, speed and loading force of hydraulic actuators. The valve body is precision machined from high-strength alloy steel with anti-corrosion surface treatment, compatible with mineral oil and fire-resistant hydraulic fluid. This electro-hydraulic valve can be applied in 3-way and 4-way hydraulic circuits, widely used in large material fatigue test benches, aerospace structural loading test systems, heavy-duty automotive component durability test equipment and hydraulic simulation platforms. It can cooperate with MOOG digital servo controllers to build complete multi-axis synchronous electro-hydraulic closed-loop control systems for heavy industrial loading projects.

Brand: MOOG

Model: 743F002B

Series: 743 Series

Product Type: Two-stage Mechanical Feedback Electro-hydraulic Servo Valve

Structure: Torque motor, dual-nozzle flapper pilot stage

Feedback Type: Mechanical spool feedback

Control Signal: Analog current signal

Max Working Pressure: 210 bar (3000 psi)

Built-in Component: Field replaceable first stage filter

Fluid Medium: Mineral oil, fire-resistant hydraulic fluid

Application: Aerospace loading test,material fatigue test bench,automotive component test