How We Repair Your Unit

Our repair process for the REXROTH 561-021-4510 begins with teardown and mineral bath and ultrasonic cleaning to assess all components.

Why Repair With NC Servo

We stock common wear parts in-house, so most rebuilds don’t require outside sourcing. Less waiting, faster turnaround.

Specializing in REXROTH 561-021-4510 servo valve technology for over five decades

Frequently Asked Questions

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

Yes. Every unit goes through diagnostic testing and we provide an assessment before moving forward.

Not required, but removing excess oil or loose debris before packing helps keep things clean in transit.

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

Yes, our standard 1-year parts and labor warranty is standard on all repairs. Details are provided with your service report.

Rebuild Steps

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

  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • 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.

Leak and Performance Testing

We carry out full diagnostics on every valve, including flow gain, leakage, pressure shift, and frequency testing. Our test facility supports performance logging and report generation. Our operational testing verifies spec-level operation.

Technical Specifications

Every REXROTH 561-021-4510 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.

Stock Availability

With more than 17,000 valve units in inventory, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Store spare REXROTH 561-021-4510 valves in a clean, dry environment to prevent corrosion and contamination.
  • Check system pressure regularly to verify it stays within the REXROTH 561-021-4510 rated operating range.

Get an Expert Repair for Your REXROTH 561-021-4510

Request pricing, availability, and turnaround for your REXROTH 561-021-4510. NC Servo Tech provides warrantied repair with a 1-year warranty. Contact us to set up your repair.

Request a Quote View All REXROTH Products Shop REXROTH Inventory

NC Servo Tech 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.