Inspection and Repair Process

Our repair process for the MOOG 631-102C begins with teardown and mineral bath cleaning to assess all components.

Experience and Warranty

Unlike OEM shops, we use our own inventory to handle most rebuilds. That cuts down on lead time and gets your unit back faster.

Specializing in MOOG 631-102C servo valve technology for over five decades

Frequently Asked Questions

Even if the tag is worn off, we can often match the unit based on shape, size, and internal configuration.

Send the unit in whatever condition it’s in. We clean everything during teardown before inspection begins.

If a unit is beyond repair, we explain why and can discuss replacement or exchange options.

Inspection and root-cause analysis are part of our standard process. We identify the issue before starting any repair work.

We recommend sending pictures, especially if the model number is unclear or there is visible damage.

How We Rebuild This Valve

The repair process for the MOOG 631-102C includes disassembly, diagnostic review, and replacement of failed seals, spools, or other elements. Final assembly includes leak and function testing.

  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.

Testing and Bench Verification

We carry out full diagnostics on every valve, including flow gain, leakage, pressure shift, and frequency testing. Our test facility supports performance logging and report generation. Our operational testing verifies consistent performance.

MOOG 631-102C Specifications

Every MOOG 631-102C we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Specification sheets and Cycle life data are available for purchase upon request.

Additional MOOG 631-102C Services

Beyond standard maintenance, we offer specialized overhauls for your MOOG 631-102C unit. Our teardown process includes pressure testing and leak testing, using only new replacement components.

Parts and Inventory

With an extensive stock of 17,000+ valves, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Maintenance Tips

  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Document all maintenance activities to track performance trends over time.
  • Perform fluid analysis to detect contamination early and prevent system damage.

Start Your MOOG 631-102C Reconditioning Process

Request pricing, availability, and turnaround for your MOOG 631-102C. NC Servo Tech provides experienced repair with a 1-year warranty. Contact us to request your repair.

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NC Servo Tech is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by MOOG or any original equipment manufacturer (OEM), nor do we claim to be a MOOG service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.