Valve Overview

The REXROTH 4WRAP6W7-02-21/24K4/V is one of many models we routinely service. Our process includes disassembly, cleaning, and reassembly using reliable components.

Experience and Warranty

NC Servo Technology operates independently, so we’re not tied to manufacturer delays or restrictions. That means more flexibility when your system is down.

In-house parts inventory eliminates OEM lead time delays for REXROTH 4WRAP6W7-02-21/24K4/V

Frequently Asked Questions

You’ll hear from us either way. If it’s not repairable, we’ll return the unit and provide our findings.

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

Yes, our standard 1-year parts and labor warranty is standard on all repairs. Details are provided with your service report.

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

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.

Disassembly and Rebuild Procedure

Every REXROTH 4WRAP6W7-02-21/24K4/V gets a controlled teardown on our bench. We document condition, replace what’s needed, and reassemble to proper operating condition.

  • Teardown: Every valve is disassembled for internal inspection.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Final Performance Verification: After reassembly, each valve undergoes bench-testing against published performance specs.

Diagnostic Testing

Each REXROTH 4WRAP6W7-02-21/24K4/V 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.

Performance Data

Every REXROTH 4WRAP6W7-02-21/24K4/V we service is tested under operating environments. Our diagnostics verify performance against published specifications. Cycle life data and Technical diagrams are available for purchase upon request.

Stock Availability

With more than 17,000 valve units in inventory, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Maintenance Tips

  • Keep hydraulic fluid clean and at proper levels for consistent valve operation.
  • Store spare REXROTH 4WRAP6W7-02-21/24K4/V valves in a clean, dry environment to prevent corrosion and contamination.
  • Perform fluid analysis to detect contamination early and prevent system damage.

Need Your REXROTH 4WRAP6W7-02-21/24K4/V Back Online?

Request pricing, availability, and turnaround for your REXROTH 4WRAP6W7-02-21/24K4/V. NC Servo Technology provides warrantied 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.