Key Details

At NC Servo, our shop is equipped to service the REXROTH 4WE6E52/AW120-60N9DAV. We use a consistent process to restore each unit to working condition.

About Our Shop

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your REXROTH 4WE6E52/AW120-60N9DAV gets serviced by people who work on these units regularly.

Specializing in REXROTH 4WE6E52/AW120-60N9DAV servo valve technology for over five decades

Frequently Asked Questions

Yes, a one-year warranty is standard on all repairs. Details are provided with your service report.

Yes. Photos of the nameplate and overall unit let us begin identification before it arrives, which speeds up the process.

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

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

Yes. Send us photos of the unit from multiple angles. Our team has serviced thousands of models and can often ID them visually.

Rebuild Steps

Every REXROTH 4WE6E52/AW120-60N9DAV gets a controlled teardown on our bench. We document condition, replace what’s needed, and reassemble to proper operating condition.

  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Teardown: Every valve is disassembled for internal inspection.
  • 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.

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 pre-shipment testing verifies proper functionality.

Industries We Serve

Our professional repair services for the REXROTH 4WE6E52/AW120-60N9DAV are trusted across various sectors including Manufacturing, Power Generation, and Industrial Machinery. We understand the unique demands of valves in these environments.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Store spare REXROTH 4WE6E52/AW120-60N9DAV valves in a clean, dry environment to prevent corrosion and contamination.
  • Conduct thorough visual inspections for wear or leaks during routine maintenance.

Need Your REXROTH 4WE6E52/AW120-60N9DAV Back Online?

Request pricing, availability, and turnaround for your REXROTH 4WE6E52/AW120-60N9DAV. NC Servo provides warrantied repair with a 1-year warranty. Contact us to schedule your repair.

Request a Quote View All REXROTH Products Shop REXROTH Inventory

NC Servo is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by REXROTH or any original equipment manufacturer (OEM), nor do we claim to be a REXROTH 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.