How We Service Your Unit

We specialize in the complete overhaul of your Moog D635Z681E, including the replacement of all necessary gaskets and worn components.

Product Snapshot

At NC Servo, our shop is fully equipped to service the Moog D635Z681E. We use a consistent, detailed process to ensure every unit is restored to reliable, peak performance.

Frequently Asked Questions

Why Choose Us

NC Servo operates independently, so we’re not tied to manufacturer delays or restrictions. That means more flexibility when your system is down.

Specializing in Moog D635Z681E servo valve technology for over three decades

Service Procedure

Each valve goes through a full teardown to expose wear and buildup. After cleaning every surface, we replace damaged parts and reassemble the unit to spec.

  • 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.
  • Complete Disassembly: The unit is fully disassembled, and all parts are laid out for individual inspection.
  • Meticulous Cleaning: All parts undergo an ultrasonic cleaning process to remove contaminants before inspection.

Quality Check Procedures

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 performance testing ensures guaranteed reliability.

Seamless Support for Your Operations

As a trusted expert for Moog D635Z681E services, NC Servo ensures quick resolution with typical lead times of 1 to 3 weeks. Benefit from our 24/7 technical support to keep your systems running smoothly.

Ready When You Are

With over 17,000 valves in stock, we are often able to provide immediate solutions, minimizing your downtime.

Maintenance Tips

  • Perform comprehensive fluid analysis to detect contamination early and prevent system damage.
  • Check valve alignment carefully to prevent undue stress on internal components.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.

Request a Quote for Your Moog D635Z681E Maintenance

Trust NC Servo for exceptional service. Contact us today to start your repair and get your unit reconditioned.