Key Details

At NC Servo Technology, our shop is equipped to service the MOOG 631-305C. We use a consistent process to restore each unit to working condition.

About Our Shop

We stock common wear parts in-house, so most rebuilds don’t require outside sourcing. Less waiting, faster turnaround.

Specializing in MOOG 631-305C servo valve technology for over five decades

Frequently Asked Questions

Most repairs are completed within 1 to 3 weeks, depending on workload and parts availability.

You can send it as-is. We handle all cleaning and preparation as part of our standard process.

We confirm next steps with you if a unit can’t be rebuilt. No work proceeds without your approval.

Yes. Our technicians can often identify units based on photos, dimensions, or manufacturer markings. Send a photo before shipping to speed up intake.

Expedited options are available depending on current scheduling. Contact us to discuss your timeline.

Repair Process

Our team disassembles each valve to assess internal wear. After ultrasonic cleaning, we install replacements and reassemble and verify operation.

  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Diagnostic Testing

With thirteen in-house test stands and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and more. Performance reports and graphs are available for purchase on request. Our performance testing verifies proper functionality.

Industries We Serve

Our trusted repair services for the MOOG 631-305C are trusted across various sectors including Paper & Pulp, Manufacturing, and Oil & Gas. We understand the unique demands of valves in these environments.

Additional MOOG 631-305C Services

Beyond standard refurbishment, we offer specialized repairs for your MOOG 631-305C unit. Our teardown process includes internal inspection and spool evaluation, using only replacement replacement components.

Turnaround and Shipping

As a specialist for MOOG 631-305C services, NC Servo Technology targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

Documentation on Request

For documented insights into your MOOG 631-305C, we can provide access to service logs and reports. This transparency offers you peace of mind and aids in long-term maintenance planning.

Maintenance Tips

  • Conduct thorough visual inspections for wear or leaks during routine maintenance.
  • Flush the hydraulic system after any major repair to remove debris before reinstalling the MOOG 631-305C.
  • Inspect MOOG 631-305C seals regularly to prevent leaks and maintain performance.

Ready to Restore Your MOOG 631-305C?

Request pricing, availability, and turnaround for your MOOG 631-305C. NC Servo Technology provides warrantied repair with a 1-year warranty. Contact us to start your repair.

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NC Servo Technology 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.