Our Approach to Repair

Each Moog D645-403 undergoes a meticulous reconditioning, starting with a full disassembly and ending with rigorous performance testing.

Why Work With Us

We’ve got the parts and the experience. We’re built to move fast, restoring most units with stocked components to avoid lengthy delays.

30+ years of expertise in Moog D645-403 Valve Repair

Frequently Asked Questions

Service Procedure

We rebuild every valve from the inside out, starting with detailed cleaning and inspection, followed by new parts installation, careful reassembly, and rigorous bench testing.

  • In-House Parts Sourcing: Many repairs use reliable components sourced from our extensive inventory of existing units.
  • Rigorous Testing: The reassembled unit undergoes rigorous leak and pressure testing to verify it performs to specification.
  • Final Performance Verification: After reassembly, each valve is bench-tested to ensure it meets or exceeds original performance specifications.
  • Comprehensive Teardown: Every valve is fully disassembled for a thorough internal inspection.

How We Test This Valve

NC Servo Technology operates our 13-stand test facility, including setups specifically for proportional and servo valves. Every valve goes through performance and leak testing using a range of hydraulic fluids like Skydrol and MIL-5606. Our performance testing ensures consistent performance.

Industries We Serve

Our professional repair services for the Moog D645-403 are trusted across various critical sectors, including Industrial Machinery, Power Generation, and Aerospace. We understand the unique demands of valves in these environments.

Beyond Repair: Complete Solutions

Beyond standard sales, we offer specialized reconditioning for your Moog D645-403 unit. Our teardown process meticulously involves actions such as refurbishment and recondition, and uses only premium replacement components, ensuring a lasting fix.

Detailed Documentation Available

For detailed insights into your Moog D645-403, we can provide access to service logs and repair records. This transparency offers you compliance assurance and aids in long-term maintenance planning.

Maintenance Tips

  • Check valve alignment to prevent undue stress.
  • Conduct visual inspections for wear or leaks.
  • Perform fluid analysis to detect contamination early.

Schedule Your Moog D645-403 Service Today

Trust NC Servo Technology for industry-leading service. Contact us today to start your repair and get your unit maintained.