Repair Procedure

Our process involves a teardown of your REXROTH ZDR6DP2-40/75YM-50YM, mineral bath cleaning, and reassembly with quality parts to restore operation.

Why Repair With NC Servo

We’ve built our shop around one thing: industrial repair. With decades of hands-on experience and deep product knowledge, we deliver consistent results.

50+ years of expertise in REXROTH ZDR6DP2-40/75YM-50YM Valve Repair

Frequently Asked Questions

Send the unit in whatever condition it’s in. We clean everything during teardown before inspection begins.

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

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

Inspection and root-cause analysis are part of our standard process. We identify the issue before starting any repair work.

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

Repair Process

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

  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Final Performance Verification: After reassembly, each valve undergoes bench-testing against published performance specs.

Testing and Bench Verification

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 operational testing verifies proper functionality.

Technical Specifications

Every REXROTH ZDR6DP2-40/75YM-50YM we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Performance data and Cycle life data are available for purchase upon request.

Lead Times and Support

As a focused repair facility for REXROTH ZDR6DP2-40/75YM-50YM services, NC Servo targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

Parts and Inventory

With over 17,000 valves in stock, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Maintenance Tips

  • Monitor operating temperatures to identify potential issues before failure occurs.
  • Inspect REXROTH ZDR6DP2-40/75YM-50YM seals regularly to prevent leaks and maintain performance.
  • Store spare REXROTH ZDR6DP2-40/75YM-50YM valves in a clean, dry environment to prevent corrosion and contamination.

Request a Quote for Your REXROTH ZDR6DP2-40/75YM-50YM Maintenance

Request pricing, availability, and turnaround for your REXROTH ZDR6DP2-40/75YM-50YM. NC Servo provides independent repair with a 1-year warranty. Contact us to schedule 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.