MD
MOOG D D644-308

MOOG D

D644-308

Availability: In Stock

When your Moog D644-308 valve fails, production stops. subject to availability. NC Servo Tech offers expert repair services.

Product Snapshot

At NC Servo Technology, our shop is fully equipped to service the Moog D644-308 professionally. We use a consistent, detailed process to ensure every unit is restored to reliable, peak performance.

Frequently Asked Questions

Troubleshooting & Verification

With thirteen state-of-the-art test stands and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and more. On request, comprehensive performance reports and graphs are available for purchase. Our functional testing ensures guaranteed reliability.

Understanding Your Unit: Data & Insights

For transparent insights into your Moog D644-308, we can provide access to repair records and reports. This transparency offers you compliance assurance and aids in long-term maintenance planning.

Schedule Your Moog D644-308 Service Today

Trust NC Servo Technology for top-tier service. Contact us today to schedule your repair and get your unit maintained.

Request Quote

Contact our sales team for pricing and availability information on this industrial component.

Email Quote

What Sets Us Apart

NC Servo Technology is a dedicated repair facility specializing in both valves and electronic controls, which allows us to operate without the delays and constraints of OEM service centers.

Specializing in Moog D644-308 servo valve technology for over three decades

Service Procedure

Each valve undergoes a complete teardown process to expose wear patterns and buildup. After cleaning every surface thoroughly, we replace damaged parts and reassemble the unit to exact specifications.

  • Rigorous Testing: The reassembled unit undergoes rigorous leak and pressure testing to verify it performs to specification.
  • Meticulous Cleaning: All parts undergo an ultrasonic cleaning process to remove contaminants before inspection.
  • Thorough Decontamination: Every component is put through a deep cleaning process to remove grime and buildup.
  • Comprehensive Teardown: Every valve is fully disassembled for a thorough internal inspection.

Our Comprehensive Services

Beyond standard sales, we offer specialized reconditioning for your Moog D644-308 unit. Our teardown process meticulously involves actions such as rebuild and expose, and uses only high-quality replacement components, ensuring a lasting fix.

Maintenance Tips

  • Check valve alignment carefully to prevent undue stress on internal components.
  • Check valve alignment to prevent undue stress.
  • Inspect Moog D644-308 seals regularly to prevent leaks.