Product Overview
The MOOG J761-001 is a high-performance electrohydraulic servo valve engineered by MOOG, the global benchmark in precision motion control technology. Operating on a two-stage flow control principle, the J761-001 utilizes a torque motor pilot stage that hydraulically positions a precision spool within the second-stage main valve body. This architecture delivers infinitely variable, bidirectional flow control proportional to the electrical input signal, enabling exceptional dynamic response, minimal hysteresis, and superior resolution. The J761-001 is designed for demanding closed-loop servo systems where precise position, velocity, force, or pressure modulation is critical to overall machine performance and product quality.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Electrohydraulic Servo Valve (Two-Stage, Spool-Type) |
| Model Designation | MOOG J761-001 |
| Operating Pressure | Standard Industrial Grade (Up to 315 bar rated) |
| Rated Flow Capacity | Nominal 5–40 L/min depending on spool configuration (at 70 bar valve drop) |
| Pilot Stage | Torque motor with dual nozzle-flapper hydraulic amplifier |
| Main Stage | Four-way, closed-center, critical-tolerance spool and sleeve assembly |
| Input Signal | Analog current command (typically ±10 mA to ±40 mA coil rating) |
| Mounting & Connection | Standard ISO 4401 / CETOP subplate mounting interface with MOOG electrical connector |
| Hysteresis & Resolution | Ultra-low hysteresis (<3%), infinite resolution |
| Fluid Compatibility | Mineral-based hydraulic oils per ISO VG 32–68, cleanliness ISO 4406 Class 16/13 or better |
Engineering Features & Advantages
- Precision Performance: The torque motor pilot stage and critically matched spool deliver extremely fast step response, high flow gain, and near-zero deadband, ensuring accurate tracking of complex motion profiles in closed-loop servo control systems.
- Superior Dynamic Response: Optimized magnetic circuit and nozzle-flapper amplification provide high-frequency response (typically 100–200 Hz at 90° phase lag), essential for high-speed positioning and force-control applications.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust construction and wear-resistant internal components for extended service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original MOOG OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
The J761-001 is designed for demanding closed-loop servo systems where precise position, velocity, force, or pressure modulation is critical to overall machine performance and product quality.
PRODUCT IMAGES

MOOG J761-001 Servo Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine MOOG J761-001 Servo Valve. This USA-made high-performance hydraulic component features a two-stage design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.