Key Details

We handle a wide range of REXROTH 304F10L5021AR units. Each one receives inspection, internal cleaning, and reconditioning before it ships.

About Our Shop

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

Specializing in REXROTH 304F10L5021AR servo valve technology for over five decades

Frequently Asked Questions

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

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

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

We can often prioritize urgent jobs. Note it on your request form and we’ll let you know what’s possible.

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

How We Rebuild This Valve

We disassemble every valve, inspect it inside and out, and clean all moving parts. Components that fail inspection are swapped out before the valve is rebuilt and tested.

  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Final Performance Verification: After reassembly, each valve undergoes bench-testing against published performance specs.

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 proper functionality.

Performance Data

Every REXROTH 304F10L5021AR we service is tested under operating environments. Our diagnostics verify performance against published specifications. Performance data and Specification sheets are available for purchase upon request.

Lead Times and Support

As a focused repair facility for REXROTH 304F10L5021AR services, NC Servo Technology targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our responsive technical support to keep your systems running smoothly.

In-House Inventory for REXROTH 304F10L5021AR

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

Maintenance Tips

  • Store spare REXROTH 304F10L5021AR valves in a clean, dry environment to prevent corrosion and contamination.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Monitor operating temperatures to identify potential issues before failure occurs.

Request a Quote for Your REXROTH 304F10L5021AR Maintenance

Request pricing, availability, and turnaround for your REXROTH 304F10L5021AR. NC Servo Technology provides warrantied repair with a 1-year warranty. Contact us to request your repair.

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NC Servo Technology 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.