Valve Overview

The HUNKAR 86131 is one of many models we routinely service. Our process includes disassembly, cleaning, and reassembly using reliable components.

Experience and Warranty

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

Specializing in HUNKAR 86131 servo valve technology for over five decades

Frequently Asked Questions

Helpful but not required. If you can photograph the label, connectors, and overall unit, it gives our team a head start.

Part of our intake includes troubleshooting to determine the failure point. We report findings before proceeding.

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

Most repairs are completed within 1 to 3 weeks, depending on workload and parts availability.

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

Each valve goes through teardown to expose wear and buildup. After mineral bath cleaning, we replace damaged parts and reassemble the unit to spec.

  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.

Hydraulic Testing Process

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 pre-shipment testing verifies proper functionality.

Common Applications

Our reliable repair services for the HUNKAR 86131 are trusted across various sectors including Paper & Pulp, Construction, and Aerospace. We understand the unique demands of valves in these environments.

HUNKAR 86131 Specifications

Every HUNKAR 86131 we service is tested under typical applications. Our diagnostics verify performance against published specifications. Technical diagrams and Specification sheets are available for purchase upon request.

In-House Inventory for HUNKAR 86131

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.

Technical Information

For detailed insights into your HUNKAR 86131, we can provide access to repair records and reports. This transparency offers you compliance assurance and aids in long-term maintenance planning.

Maintenance Tips

  • Flush the hydraulic system after any major repair to remove debris before reinstalling the HUNKAR 86131.
  • Store spare HUNKAR 86131 valves in a clean, dry environment to prevent corrosion and contamination.
  • Inspect HUNKAR 86131 seals regularly to prevent leaks and maintain performance.

Get an Expert Repair for Your HUNKAR 86131

Request pricing, availability, and turnaround for your HUNKAR 86131. NC Servo provides hands-on repair with a 1-year warranty. Contact us to set up 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 HUNKAR or any original equipment manufacturer (OEM), nor do we claim to be a HUNKAR 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.