Valve Overview

NC Servo Technology provides repair and reconditioning for the REXROTH 21/4WRDE32/52/V. With in-house tooling and stocked parts, we keep turnaround times short.

Experience and Warranty

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

Specializing in REXROTH 21/4WRDE32/52/V servo valve technology for over five decades

Frequently Asked Questions

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

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

In most cases, repair costs less than replacement, especially for legacy or OEM-specific models. We evaluate every unit and let you know what makes sense.

Yes, a one-year warranty is standard on all repairs. Details are provided with your service report.

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

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.

  • Teardown: Every valve is disassembled for internal inspection.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • 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.

Testing and Bench Verification

NC Servo Technology operates our 13-stand test facility, including setups for proportional and servo valves. Every valve goes through performance and leak testing using standard test fluids to match your operational needs. Our functional testing verifies spec-level operation.

REXROTH 21/4WRDE32/52/V Specifications

Every REXROTH 21/4WRDE32/52/V 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.

Additional REXROTH 21/4WRDE32/52/V Services

Beyond standard sales, we offer specialized reconditioning for your REXROTH 21/4WRDE32/52/V unit. Our teardown process includes mineral bath cleaning and spool evaluation, using only new replacement components.

Maintenance Tips

  • Document all maintenance activities to track performance trends over time.
  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Check valve alignment carefully to prevent undue stress on internal components.

Let Us Repair Your REXROTH 21/4WRDE32/52/V

Request pricing, availability, and turnaround for your REXROTH 21/4WRDE32/52/V. NC Servo Technology provides independent repair with a 1-year warranty. Contact us to schedule 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.