Inspection and Repair Process

Our process involves a teardown of your REXROTH 4WS2EM16-12/20F12ET315CEV-19, mineral bath and ultrasonic cleaning, and reassembly with quality parts to restore operation.

Experience and Warranty

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

17,000+ valves in stock including REXROTH 4WS2EM16-12/20F12ET315CEV-19 exchange units

Frequently Asked Questions

Not required, but removing excess oil or loose debris before packing helps keep things clean in transit.

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

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

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

Yes. Photos of the nameplate and overall unit let us begin identification before it arrives, which speeds up the process.

Rebuild Steps

Once a valve arrives, we tear it down fully, examine key surfaces, and replace worn or damaged parts using components we stock in-house, cutting out OEM lead times.

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

Diagnostic Testing

With thirteen in-house test stands 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 functional testing verifies consistent performance.

Common Applications

Our expert repair services for the REXROTH 4WS2EM16-12/20F12ET315CEV-19 are trusted across various sectors including Defense, Plastics & Injection Molding, and Power Generation. We understand the unique demands of valves in these environments.

Performance Data

Every REXROTH 4WS2EM16-12/20F12ET315CEV-19 we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Technical diagrams and Specification sheets are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard maintenance, we offer specialized repairs for your REXROTH 4WS2EM16-12/20F12ET315CEV-19 unit. Our teardown process includes mineral bath cleaning and leak testing, using only new replacement components.

In-House Inventory for REXROTH 4WS2EM16-12/20F12ET315CEV-19

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

Data Sheets & Reports

For detailed insights into your REXROTH 4WS2EM16-12/20F12ET315CEV-19, we can provide access to repair records and service logs. This transparency offers you compliance assurance and aids in long-term maintenance planning.

Maintenance Tips

  • Document all maintenance activities to track performance trends over time.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.

Request a Quote for Your REXROTH 4WS2EM16-12/20F12ET315CEV-19 Maintenance

Request pricing, availability, and turnaround for your REXROTH 4WS2EM16-12/20F12ET315CEV-19. NC Servo Tech provides hands-on repair with a 1-year warranty. Contact us to schedule 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.