Product Snapshot

The Moog D633-364A is one of many models we routinely service. Our process includes full disassembly, cleaning, and reassembly using reliable components.

The NC Servo Tech Advantage

We’ve got the parts and the experience you need. We’re built to move fast, restoring most units with stocked components to avoid lengthy delays.

Specializing in Moog D633-364A servo valve technology for over three decades

Frequently Asked Questions

How We Rebuild This Valve

The comprehensive repair process for the Moog D633-364A includes full disassembly, diagnostic review, and replacement of failed seals, spools, or other critical elements. Final assembly includes thorough leak and function testing.

  • Complete Disassembly: The unit is fully disassembled, and all parts are laid out for individual inspection.
  • Rigorous Testing: The reassembled unit undergoes rigorous leak and pressure testing to verify it performs to specification.
  • In-House Parts Sourcing: Many repairs use reliable components sourced from our extensive inventory of existing units.
  • Meticulous Cleaning: All parts undergo an ultrasonic cleaning process to remove contaminants before inspection.

How We Test This Valve

We carry out full diagnostics, including flow gain, leakage, pressure shift, and frequency testing, on every valve. Our test facility supports detailed performance logging and report generation for quality assurance. Our operational testing ensures ensured functionality.

Understanding Your Moog D633-364A

We ensure your Moog D633-364A operates flawlessly under real-world conditions. Our diagnostics verify performance in real-world conditions, ensuring long-term reliability. Comprehensive Technical diagrams and Specification sheets are available for purchase upon request.

Ready When You Are

With more than 17,000 valve units in inventory, we are often able to provide immediate solutions, minimizing your downtime.

Maintenance Tips

  • Replace inline filters per maintenance schedules.
  • Check valve alignment carefully to prevent undue stress on internal components.
  • Conduct visual inspections for wear or leaks.

Request a Quote for Your Moog D633-364A Maintenance

Trust NC Servo Technology for superior service. Contact us today to start your repair and get your unit repaired.