Valve Overview

Whether the issue is age, wear, or contamination, the MOOG 78-101C can often be restored. NC Servo Technology applies the same structured approach to every rebuild.

Independent Repair Facility

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

Frequently Asked Questions

Yes. Our repairs include a one-year warranty covering parts and labor.

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

Standard turnaround is 1-3 weeks. Rush options are available for time-sensitive situations.

Send it in for evaluation. We’ll inspect it and give you a repair-vs-replace recommendation based on the actual condition of the unit.

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

How We Rebuild This Valve

We rebuild every valve from the inside out: cleaning, inspection, parts replacement, reassembly, and bench testing.

  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.

Diagnostic Testing

NC Servo Technology operates over a dozen dedicated flow test stands, including setups for proportional and servo valves. Every valve goes through performance and leak testing using standard test fluids to match your operational needs. Our performance testing verifies spec-level operation.

MOOG 78-101C Specifications

Every MOOG 78-101C we service is tested under operating environments. Our diagnostics verify performance against published specifications. Technical diagrams and Specification sheets are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard sales, we offer specialized reconditioning for your MOOG 78-101C unit. Our disassembly process includes bench testing and flow verification, using only replacement replacement components.

Maintenance Tips

  • Conduct thorough visual inspections for wear or leaks during routine maintenance.
  • Check valve alignment carefully to prevent undue stress on internal components.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.

Let Us Repair Your MOOG 78-101C

Request pricing, availability, and turnaround for your MOOG 78-101C. NC Servo Technology provides hands-on repair with a 1-year warranty. Contact us to set up your repair.

Request a Quote View All MOOG Products Shop MOOG Inventory

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.