Key Details

The MOOG 641-328A is one of many models we routinely service. Our process includes disassembly, cleaning, and reassembly using reliable components.

Independent Repair Facility

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your MOOG 641-328A gets serviced by people who work on these units regularly.

Specializing in MOOG 641-328A servo valve technology for over five decades

Frequently Asked Questions

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

Warranty coverage of a one-year warranty is included with every repair we complete.

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.

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

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

Repair Process

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

  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • 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.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.

Testing and Bench Verification

Each MOOG 641-328A is tested on a dedicated flow bench before it ships. We check pressure, flow, leakage, and response characteristics against published specifications. Our operational testing verifies proper functionality.

Where the MOOG 641-328A Is Used

Our expert repair services for the MOOG 641-328A are trusted across various sectors including Plastics & Injection Molding, Automotive, and Power Generation. We understand the unique demands of valves in these environments.

Technical Specifications

Every MOOG 641-328A we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Performance data and Technical diagrams are available for purchase upon request.

Additional MOOG 641-328A Services

Beyond standard sales, we offer specialized repairs for your MOOG 641-328A unit. Our teardown process includes internal inspection and disassembly, using only replacement replacement components.

Maintenance Tips

  • Store spare MOOG 641-328A valves in a clean, dry environment to prevent corrosion and contamination.
  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.

Schedule Your MOOG 641-328A Service Today

Request pricing, availability, and turnaround for your MOOG 641-328A. NC Servo provides independent repair with a 1-year warranty. Contact us to request your repair.

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NC Servo 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.