Valve Overview

NC Servo Technology provides repair and reconditioning for the MOOG 73-509A. With in-house tooling and stocked parts, we keep turnaround times short.

Repair Procedure

Our process involves a teardown of your MOOG 73-509A, mineral bath and ultrasonic cleaning, and reassembly with quality parts to restore operation.

Frequently Asked Questions

Photos help us confirm the unit type and speed up intake. You can upload them through our quote request form.

You’ll hear from us either way. If it’s not repairable, we’ll return the unit and provide our findings.

Yes, our standard 1-year parts and labor warranty is standard on all repairs. Details are provided with your service report.

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

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

About Our Shop

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

One-year warranty on all MOOG 73-509A valve repairs

How We Rebuild This Valve

We disassemble every valve, inspect it inside and out, and clean all moving parts. Components that fail inspection are swapped out before the valve is rebuilt and tested.

  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • Teardown: Every valve is disassembled for internal inspection.
  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Leak and Performance 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 spec-level operation.

Industries We Serve

Our trusted repair services for the MOOG 73-509A are trusted across various sectors including Oil & Gas, Paper & Pulp, and Steel & Metals. We understand the unique demands of valves in these environments.

MOOG 73-509A Specifications

Every MOOG 73-509A we service is tested under typical applications. Our diagnostics verify performance against published specifications. Performance data and Cycle life data are available for purchase upon request.

Additional MOOG 73-509A Services

Beyond standard maintenance, we offer specialized overhauls for your MOOG 73-509A unit. Our disassembly process includes flow verification and pressure testing, using only replacement replacement components.

Lead Times and Support

As a specialist for MOOG 73-509A services, NC Servo Technology targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our dedicated support team 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

  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
  • Flush the hydraulic system after any major repair to remove debris before reinstalling the MOOG 73-509A.
  • Conduct thorough visual inspections for wear or leaks during routine maintenance.

Start Your MOOG 73-509A Reconditioning Process

Request pricing, availability, and turnaround for your MOOG 73-509A. 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.