Inspection and Repair Process

Each REXROTH 4WRKE16W200-21/6A24EZ9/D3M undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Experience and Warranty

NC Servo operates independently, so we’re not tied to manufacturer delays or restrictions. That means more flexibility when your system is down.

50+ years of expertise in REXROTH 4WRKE16W200-21/6A24EZ9/D3M Valve Repair

Frequently Asked Questions

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

Yes. Our technicians can often identify units based on photos, dimensions, or manufacturer markings. Send a photo before shipping to speed up intake.

Warranty coverage of a 12-month warranty on parts and labor is included with every repair we complete.

Most repairs are completed within 1 to 3 weeks, depending on workload and parts availability.

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

How We Rebuild This Valve

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

  • Final Performance Verification: After reassembly, each valve undergoes bench-testing against published performance specs.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • 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 spec-level operation.

Technical Specifications

Every REXROTH 4WRKE16W200-21/6A24EZ9/D3M 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.

Turnaround and Shipping

As a focused repair facility for REXROTH 4WRKE16W200-21/6A24EZ9/D3M services, NC Servo targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our dedicated support team to keep your systems running smoothly.

Documentation on Request

For documented insights into your REXROTH 4WRKE16W200-21/6A24EZ9/D3M, we can provide access to repair records and reports. This transparency offers you record-keeping and aids in long-term maintenance planning.

Maintenance Tips

  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Inspect REXROTH 4WRKE16W200-21/6A24EZ9/D3M seals regularly to prevent leaks and maintain performance.
  • Keep a spare REXROTH 4WRKE16W200-21/6A24EZ9/D3M on hand to minimize downtime during unplanned failures.

Request a Quote for Your REXROTH 4WRKE16W200-21/6A24EZ9/D3M Maintenance

Request pricing, availability, and turnaround for your REXROTH 4WRKE16W200-21/6A24EZ9/D3M. NC Servo provides hands-on repair with a 1-year warranty. Contact us to set up 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.