Teardown and Rebuild Steps

Each REXROTH 4WS2EM10-43/20B2ET315Z8DM undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Independent Repair Facility

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

17,000+ valves in stock including REXROTH 4WS2EM10-43/20B2ET315Z8DM exchange units

Frequently Asked Questions

No cleaning required. Our repair process includes disassembly and cleaning of all components.

It depends on the unit and scope of work. We provide an estimated timeline after initial evaluation.

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

Yes. Our technicians can often identify units based on photos, dimensions, or manufacturer markings. Send a photo before shipping to speed up intake.

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.

How We Rebuild This Valve

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.

  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.

Hydraulic Testing Process

Each REXROTH 4WS2EM10-43/20B2ET315Z8DM 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 professional repair services for the REXROTH 4WS2EM10-43/20B2ET315Z8DM are trusted across various sectors including Manufacturing, Aerospace, and Plastics & Injection Molding. We understand the unique demands of valves in these environments.

REXROTH 4WS2EM10-43/20B2ET315Z8DM Specifications

Every REXROTH 4WS2EM10-43/20B2ET315Z8DM we service is tested under typical applications. Our diagnostics verify performance against published specifications. Cycle life data and Technical diagrams are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard sales, we offer specialized repairs for your REXROTH 4WS2EM10-43/20B2ET315Z8DM unit. Our disassembly process includes mineral bath cleaning and disassembly, using only replacement replacement components.

Maintenance Tips

  • Monitor operating temperatures to identify potential issues before failure occurs.
  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.

Get a Free Evaluation for Your REXROTH 4WS2EM10-43/20B2ET315Z8DM

Request pricing, availability, and turnaround for your REXROTH 4WS2EM10-43/20B2ET315Z8DM. NC Servo provides hands-on repair with a 1-year warranty. Contact us to request your repair.

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NC Servo 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.