Teardown and Rebuild Steps

Each REXROTH 21/4WRDE16-52/V202 undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Experience and Warranty

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

Specializing in REXROTH 21/4WRDE16-52/V202 servo valve technology for over five decades

Frequently Asked Questions

Even if the tag is worn off, we can often match the unit based on shape, size, and internal configuration.

Photos help us confirm the unit type and speed up intake. You can upload them through our quote request form.

If the main housing or board is intact, repair is usually the better option. We can restore most units to working condition with tested parts.

Standard turnaround is 1-3 weeks. Rush options are available for time-sensitive situations.

Yes. If the unit can’t be repaired, we contact you with options before doing anything further.

Rebuild Steps

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.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Leak and Performance Testing

Each REXROTH 21/4WRDE16-52/V202 is tested on a dedicated flow bench before it ships. We check pressure, flow, leakage, and response characteristics against published specifications. Our performance testing verifies proper functionality.

Performance Data

Every REXROTH 21/4WRDE16-52/V202 we service is tested under operating environments. Our diagnostics verify performance against published specifications. Technical diagrams and Cycle life data are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard maintenance, we offer specialized overhauls for your REXROTH 21/4WRDE16-52/V202 unit. Our disassembly process includes bench testing and leak testing, using only new replacement components.

Turnaround and Shipping

As a dedicated source for REXROTH 21/4WRDE16-52/V202 services, NC Servo Technology targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

Product Data Available

For detailed insights into your REXROTH 21/4WRDE16-52/V202, we can provide access to reports and service logs. This transparency offers you peace of mind and aids in long-term maintenance planning.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.

Schedule Your REXROTH 21/4WRDE16-52/V202 Service Today

Request pricing, availability, and turnaround for your REXROTH 21/4WRDE16-52/V202. NC Servo Technology provides independent repair with a 1-year warranty. Contact us to set up 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.