Product Details:

MOOG D061-8412 direct drive servo valve is a high-performance hydraulic regulator belonging to MOOG D061 series, developed for heavy-duty closed-loop hydraulic motion control systems. This valve adopts linear force motor direct spool drive structure and cancels the fragile nozzle-flapper pilot stage of traditional two-stage servo valves. The force motor converts analog electrical command signals directly into linear displacement of the main spool, adjusting hydraulic oil flow rate and direction to precisely control the position, speed and force of hydraulic cylinders and actuators. The internal spool and sleeve assembly is processed with ultra-precision grinding technology, featuring low hysteresis, high linearity and stable repeatable dynamic performance. The direct drive structure greatly improves the tolerance to hydraulic fluid contamination and reduces the frequency of equipment overhaul.

This fluid motion control component maintains stable working performance under high rated pressure, continuous mechanical vibration and fluctuating ambient temperature. It responds rapidly to incoming control signals and minimizes control deviation, meeting the strict precision requirements of industrial test and metal forming equipment. MOOG D061-8412 direct drive servo valve is widely used in static and dynamic material fatigue testing machines, aerospace hydraulic simulation test benches, heavy metal forming presses, metallurgical rolling production lines and automated hydraulic manufacturing machinery.

Even though direct drive servo valves have excellent anti-contamination capability, regular hydraulic oil inspection and filter replacement are still necessary. Fine solid particles suspended in hydraulic fluid will gradually scratch the precision matching surfaces of spool and sleeve, leading to internal leakage and control drift. Every MOOG D061-8412 hydraulic regulator undergoes complete factory performance tests before shipment, including flow characteristic curve test, frequency response test and internal leakage inspection. Strict quality control ensures stable and repeatable precision for closed-loop hydraulic control applications.

Specifications:

Brand: MOOG

Model: D061-8412

Product category: Direct drive electro-hydraulic servo valve

Drive principle: Linear force motor direct spool drive

Feature: High contamination resistance, low hysteresis, high repeatability, low maintenance requirement

Application: Industrial closed-loop hydraulic system, material test machine, metal forming press, aerospace test bench

Working medium: Fully filtered industrial hydraulic oil

Working environment: Industrial site with vibration and temperature variation