Inspection and Repair Process

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

About Our Shop

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

Factory-level test stands dedicated to REXROTH 21/4WRDE16-52V performance verification

Frequently Asked Questions

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

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

Turnaround time varies by model and condition. Contact us for a timeline specific to your unit.

Send it in for evaluation. We’ll inspect it and give you a repair-vs-replace recommendation based on the actual condition of the unit.

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

Rebuild Steps

Every REXROTH 21/4WRDE16-52V gets a controlled teardown on our bench. We document condition, replace what’s needed, and reassemble to proper operating condition.

  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • Final Performance Verification: After reassembly, each valve undergoes bench-testing against published performance specs.

Diagnostic Testing

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

Common Applications

Our trusted repair services for the REXROTH 21/4WRDE16-52V are trusted across various sectors including Plastics & Injection Molding, Power Generation, and Aerospace. We understand the unique demands of valves in these environments.

Additional REXROTH 21/4WRDE16-52V Services

Beyond standard sales, we offer specialized reconditioning for your REXROTH 21/4WRDE16-52V unit. Our disassembly process includes spool evaluation and internal inspection, using only new replacement components.

Lead Times and Support

As a dedicated source for REXROTH 21/4WRDE16-52V services, NC Servo Tech targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our dedicated support team 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.

Maintenance Tips

  • Check valve alignment carefully to prevent undue stress on internal components.
  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Keep a spare REXROTH 21/4WRDE16-52V on hand to minimize downtime during unplanned failures.

Ready to Restore Your REXROTH 21/4WRDE16-52V?

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