Overview

We’ve serviced hundreds of REXROTH Z4WE6E68-20/AG24N9Z4/MR units over the years. Each one goes through the same controlled teardown, parts replacement, and testing process.

Why Repair With NC Servo

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

In-house parts inventory eliminates OEM lead time delays for REXROTH Z4WE6E68-20/AG24N9Z4/MR

Frequently Asked Questions

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

Helpful but not required. If you can photograph the label, connectors, and overall unit, it gives our team a head start.

Expedited options are available depending on current scheduling. Contact us to discuss your timeline.

We regularly work on units with missing labels. Send us a few images and any visible part numbers, and we can usually match it.

Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.

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.
  • 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.

Testing and Bench Verification

With over a dozen dedicated flow 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 operational testing verifies proper functionality.

Common Applications

Our professional repair services for the REXROTH Z4WE6E68-20/AG24N9Z4/MR are trusted across various sectors including Paper & Pulp, Manufacturing, and Power Generation. We understand the unique demands of valves in these environments.

Lead Times and Support

As a focused repair facility for REXROTH Z4WE6E68-20/AG24N9Z4/MR services, NC Servo targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.

Maintenance Tips

  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Inspect REXROTH Z4WE6E68-20/AG24N9Z4/MR seals regularly to prevent leaks and maintain performance.

Ready to Restore Your REXROTH Z4WE6E68-20/AG24N9Z4/MR?

Request pricing, availability, and turnaround for your REXROTH Z4WE6E68-20/AG24N9Z4/MR. NC Servo provides hands-on repair with a 1-year warranty. Contact us to start 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 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.