Repair Procedure

Each CONTROL ENTERPRISES CM-520-1-57 undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Independent Repair Facility

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your CONTROL ENTERPRISES CM-520-1-57 gets serviced by people who work on these units regularly.

17,000+ valves in stock including CONTROL ENTERPRISES CM-520-1-57 exchange units

Frequently Asked Questions

Send the unit in whatever condition it’s in. We clean everything during teardown before inspection begins.

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

Yes, a one-year warranty is standard on all repairs. Details are provided with your service report.

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

Yes. Every unit goes through diagnostic testing and we provide an assessment before moving forward.

Repair Process

The repair process for the CONTROL ENTERPRISES CM-520-1-57 includes disassembly, diagnostic review, and replacement of failed seals, spools, or other elements. Final assembly includes leak and function testing.

  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.
  • 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.
  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.

Diagnostic Testing

NC Servo Tech operates our 13-stand test facility, including setups for proportional and servo valves. Every valve goes through performance and leak testing using standard test fluids to match your operational needs. Our performance testing verifies proper functionality.

Industries We Serve

Our expert repair services for the CONTROL ENTERPRISES CM-520-1-57 are trusted across various sectors including Oil & Gas, Manufacturing, and Plastics & Injection Molding. We understand the unique demands of valves in these environments.

Performance Data

Every CONTROL ENTERPRISES CM-520-1-57 we service is tested under typical applications. Our diagnostics verify performance against published specifications. Specification sheets and Performance data are available for purchase upon request.

Turnaround and Shipping

As a focused repair facility for CONTROL ENTERPRISES CM-520-1-57 services, NC Servo Tech targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.

Maintenance Tips

  • Check valve alignment carefully to prevent undue stress on internal components.
  • Document all maintenance activities to track performance trends over time.
  • Schedule preventive maintenance intervals based on duty cycle, not just calendar time.

Request a Quote for Your CONTROL ENTERPRISES CM-520-1-57 Maintenance

Request pricing, availability, and turnaround for your CONTROL ENTERPRISES CM-520-1-57. NC Servo Tech provides independent 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 CONTROL or any original equipment manufacturer (OEM), nor do we claim to be a CONTROL 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.