Inspection and Repair Process

Our process involves a teardown of your REXROTH 4WRPNH6C3B12L-20/M/24CA6A, ultrasonic cleaning, and reassembly with quality parts to restore operation.

Experience and Warranty

NC Servo Technology specializes in both valves and electronic controls, which lets us operate without the delays of OEM service centers.

Frequently Asked Questions

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

You can send it as-is. We handle all cleaning and preparation as part of our standard process.

Warranty coverage of a one-year warranty is included with every repair we complete.

Yes. Send us photos of the unit from multiple angles. Our team has serviced thousands of models and can often ID them visually.

Rush and priority service options exist. Availability depends on current workload, so contact us early.

Disassembly and Rebuild Procedure

The process begins with disassembly and visual evaluation. We then clean, replace worn pieces, and reassemble the valve to restore its function.

  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • 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.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.

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.

Performance Data

Every REXROTH 4WRPNH6C3B12L-20/M/24CA6A we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Specification sheets and Performance data are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard refurbishment, we offer specialized repairs for your REXROTH 4WRPNH6C3B12L-20/M/24CA6A unit. Our disassembly process includes seal replacement and pressure testing, using only replacement replacement components.

Technical Information

For transparent insights into your REXROTH 4WRPNH6C3B12L-20/M/24CA6A, we can provide access to repair records and reports. This transparency offers you record-keeping and aids in long-term maintenance planning.

Maintenance Tips

  • Flush the hydraulic system after any major repair to remove debris before reinstalling the REXROTH 4WRPNH6C3B12L-20/M/24CA6A.
  • Check system pressure regularly to verify it stays within the REXROTH 4WRPNH6C3B12L-20/M/24CA6A rated operating range.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.

Need Your REXROTH 4WRPNH6C3B12L-20/M/24CA6A Back Online?

Request pricing, availability, and turnaround for your REXROTH 4WRPNH6C3B12L-20/M/24CA6A. NC Servo Technology provides independent 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.