Overview

NC Servo Tech provides repair and reconditioning for the REXROTH DB20-252/315V/1Z. With in-house tooling and stocked parts, we keep turnaround times short.

About Our Shop

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

In-house parts inventory eliminates OEM lead time delays for REXROTH DB20-252/315V/1Z

Frequently Asked Questions

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

Inspection and root-cause analysis are part of our standard process. We identify the issue before starting any repair work.

Photos help us confirm the unit type and speed up intake. You can upload them through our quote request form.

Yes. If the unit can’t be repaired, we contact you with options before doing anything further.

We give you a straight assessment after inspection. If repair doesn’t make sense, we’ll let you know and discuss alternatives.

Disassembly and Rebuild Procedure

Our team disassembles each valve to assess internal wear. After ultrasonic cleaning, we install replacements and reassemble and verify operation.

  • 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.
  • 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.

Diagnostic Testing

With over a dozen dedicated flow 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 spec-level operation.

Parts and Inventory

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.

Maintenance Tips

  • Check system pressure regularly to verify it stays within the REXROTH DB20-252/315V/1Z rated operating range.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.

Request a Quote for Your REXROTH DB20-252/315V/1Z Maintenance

Request pricing, availability, and turnaround for your REXROTH DB20-252/315V/1Z. NC Servo Tech provides hands-on 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.