Overview

Whether the issue is age, wear, or contamination, the MOOG 631-3806B-5 can often be restored. NC Servo Technology applies the same structured approach to every rebuild.

About Our Shop

We’ve built our shop around one thing: industrial repair. With decades of hands-on experience and deep product knowledge, we deliver consistent results.

17,000+ valves in stock including MOOG 631-3806B-5 exchange units

Frequently Asked Questions

Turnaround time varies by model and condition. Contact us for a timeline specific to your unit.

No cleaning required. Our repair process includes disassembly and cleaning of all components.

We can often prioritize urgent jobs. Note it on your request form and we’ll let you know what’s possible.

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

In most cases, repair costs less than replacement, especially for legacy or OEM-specific models. We evaluate every unit and let you know what makes sense.

How We Rebuild This Valve

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

  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • 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.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.

Testing and Bench Verification

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 functional testing verifies consistent performance.

Common Applications

Our expert repair services for the MOOG 631-3806B-5 are trusted across various sectors including Construction, Oil & Gas, and Steel & Metals. We understand the unique demands of valves in these environments.

MOOG 631-3806B-5 Specifications

Every MOOG 631-3806B-5 we service is tested under typical applications. Our diagnostics verify performance against published specifications. Performance data and Specification sheets are available for purchase upon request.

Additional MOOG 631-3806B-5 Services

Beyond standard sales, we offer specialized reconditioning for your MOOG 631-3806B-5 unit. Our disassembly process includes disassembly and seal replacement, using only replacement replacement components.

Lead Times and Support

As a specialist for MOOG 631-3806B-5 services, NC Servo Technology targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

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

  • Check system pressure regularly to verify it stays within the MOOG 631-3806B-5 rated operating range.
  • Document all maintenance activities to track performance trends over time.
  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.

Request a Quote for Your MOOG 631-3806B-5 Maintenance

Request pricing, availability, and turnaround for your MOOG 631-3806B-5. NC Servo Technology provides warrantied repair with a 1-year warranty. Contact us to request 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.