Product Snapshot

We handle a wide range of Moog 631-344C units with care and consistency. Each unit receives detailed inspection, internal cleaning, and full reconditioning.

Our Approach to Repair

Each Moog 631-344C undergoes a meticulous reconditioning, starting with a full disassembly and ending with rigorous performance testing.

Frequently Asked Questions

Why Choose Us

Unlike OEM service centers, we use our own extensive inventory to handle most rebuilds. That cuts down on downtime and helps you get back up and running sooner.

Specializing in Moog 631-344C servo valve technology for over three decades

How We Rebuild This Valve

Once a valve arrives, we tear it down fully, examine key surfaces, and replace worn or damaged parts using components we already have on hand, avoiding the long delays you’d get from OEM suppliers.

  • Meticulous Cleaning: All parts undergo an ultrasonic cleaning process to remove contaminants before inspection.
  • Thorough Decontamination: Every component is put through a deep cleaning process to remove grime and buildup.
  • Final Performance Verification: After reassembly, each valve is bench-tested to ensure it meets or exceeds original performance specifications.
  • In-House Parts Sourcing: Many repairs use reliable components sourced from our extensive inventory of existing units.

Diagnostic Evaluation

With over a dozen dedicated flow test stands and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and more. On request, comprehensive performance reports and graphs are available for purchase. Our operational testing ensures consistent performance.

Technical Insights

We ensure your Moog 631-344C operates flawlessly under typical applications. Our diagnostics verify performance in typical applications, ensuring long-term reliability. Comprehensive Specification sheets and Cycle life data are available for purchase upon request.

Seamless Support for Your Operations

As a trusted expert for Moog 631-344C services, NC Servo ensures quick resolution with typical lead times of 2 to 3 weeks. Benefit from our expert assistance to keep your systems running smoothly.

Maintenance Tips

  • Perform comprehensive fluid analysis to detect contamination early and prevent system damage.
  • Conduct thorough visual inspections for wear or leaks during routine maintenance.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.

Start Your Moog 631-344C Reconditioning Process

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