Valve Overview

We handle a wide range of REXROTH 4WE6J52/AW120-60NDAV units. Each one receives inspection, internal cleaning, and reconditioning before it ships.

Why Repair With NC Servo

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

17,000+ valves in stock including REXROTH 4WE6J52/AW120-60NDAV exchange units

Frequently Asked Questions

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

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.

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

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

Warranty coverage of a 12-month warranty on parts and labor is included with every repair we complete.

Rebuild Steps

We rebuild every valve from the inside out: cleaning, inspection, parts replacement, reassembly, and bench testing.

  • 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.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.

Testing and Bench Verification

We carry out full diagnostics on every valve, including flow gain, leakage, pressure shift, and frequency testing. Our test facility supports performance logging and report generation. Our performance testing verifies consistent performance.

Common Applications

Our trusted repair services for the REXROTH 4WE6J52/AW120-60NDAV are trusted across various sectors including Steel & Metals, Defense, and Marine. We understand the unique demands of valves in these environments.

Additional REXROTH 4WE6J52/AW120-60NDAV Services

Beyond standard maintenance, we offer specialized reconditioning for your REXROTH 4WE6J52/AW120-60NDAV unit. Our disassembly process includes disassembly and mineral bath cleaning, using only new replacement components.

Turnaround and Shipping

As a focused repair facility for REXROTH 4WE6J52/AW120-60NDAV services, NC Servo Tech targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.

Maintenance Tips

  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Flush the hydraulic system after any major repair to remove debris before reinstalling the REXROTH 4WE6J52/AW120-60NDAV.
  • Check system pressure regularly to verify it stays within the REXROTH 4WE6J52/AW120-60NDAV rated operating range.

Get an Expert Repair for Your REXROTH 4WE6J52/AW120-60NDAV

Request pricing, availability, and turnaround for your REXROTH 4WE6J52/AW120-60NDAV. NC Servo Tech provides hands-on repair with a 1-year warranty. Contact us to request 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.