About This Unit

We handle a wide range of REXROTH 22/4WRDE16-52/B-202 units. Each one receives inspection, internal cleaning, and reconditioning before it ships.

Why Repair With NC Servo

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

One-year warranty on all REXROTH 22/4WRDE16-52/B-202 valve repairs

Frequently Asked Questions

Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.

We confirm next steps with you if a unit can’t be rebuilt. No work proceeds without your approval.

We recommend sending pictures, especially if the model number is unclear or there is visible damage.

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

We regularly work on units with missing labels. Send us a few images and any visible part numbers, and we can usually match it.

Rebuild Steps

The repair process for the REXROTH 22/4WRDE16-52/B-202 includes disassembly, diagnostic review, and replacement of failed seals, spools, or other elements. Final assembly includes leak and function testing.

  • 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.
  • 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.

Hydraulic Testing Process

With our 13-stand test facility 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 performance testing verifies consistent performance.

REXROTH 22/4WRDE16-52/B-202 Specifications

Every REXROTH 22/4WRDE16-52/B-202 we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Cycle life data and Specification sheets are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard sales, we offer specialized reconditioning for your REXROTH 22/4WRDE16-52/B-202 unit. Our disassembly process includes flow verification and bench testing, using only new replacement components.

Turnaround and Shipping

As a focused repair facility for REXROTH 22/4WRDE16-52/B-202 services, NC Servo Tech 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.

Parts and Inventory

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

Documentation on Request

For detailed insights into your REXROTH 22/4WRDE16-52/B-202, we can provide access to service logs and repair records. This transparency offers you record-keeping and aids in long-term maintenance planning.

Maintenance Tips

  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.

Get an Expert Repair for Your REXROTH 22/4WRDE16-52/B-202

Request pricing, availability, and turnaround for your REXROTH 22/4WRDE16-52/B-202. NC Servo Tech provides experienced repair with a 1-year warranty. Contact us to start your repair.

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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.