MOOG D
D634-501A
When your Moog D634-501A valve fails, production stops. NC Servo Tech offers expert repair services to get your operations back online quickly, minimizing costly downtime.
General Information
We handle a wide range of Moog D634-501A units with exceptional care and consistency. Each unit receives detailed inspection, internal cleaning, and complete reconditioning.
Frequently Asked Questions
Definitely. Photos let us start the ID process and ensure faster processing once the unit arrives.
We stand behind our work completely. Warranty terms vary by unit but are included with our standard 1-year parts and labor warranty.
Yes. We perform diagnostic testing and provide an assessment before moving forward.
We'll give you an honest assessment based on our experience. If a repair doesn't make sense, we'll recommend alternatives with no pressure.
Standard turnaround is 1-3 weeks, with expedited options available.
Repair Process
We disassemble every valve systematically, inspect it inside and out, and clean all moving parts meticulously. Components that fail inspection are replaced before the valve is rebuilt and tested.
- Thorough Decontamination: Every component is put through a deep cleaning process to remove grime and buildup.
- In-House Parts Sourcing: Many repairs use reliable components sourced from our extensive inventory of existing units.
- Meticulous Cleaning: All parts undergo an ultrasonic cleaning process to remove contaminants before inspection.
- Complete Disassembly: The unit is fully disassembled, and all parts are laid out for individual inspection.
Industries We Serve
Our trusted repair services for the Moog D634-501A are trusted across various critical sectors, including Manufacturing, Aerospace, and Marine. We understand the unique demands of valves in these environments.
Schedule Your Moog D634-501A Service Today
Trust NC Servo Technology for top-tier service. Contact us today to schedule your repair and get your unit serviced.
Request Quote
Contact our sales team for pricing and availability information on this industrial component.
What We Do
Our process involves a complete teardown of your Moog D634-501A, precision cleaning, and precise reassembly with high-quality parts to restore original performance.
The NC Servo Tech Advantage
We've built our shop around one thing: industrial repair. With decades of experience and deep product knowledge, we deliver consistent results, one unit at a time.
30+ years of expertise in Moog D634-501A Valve Repair
Diagnostic Evaluation
With over a dozen dedicated flow test stands and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and additional critical parameters. On request, comprehensive performance reports and detailed graphs are available for purchase. Our operational testing ensures guaranteed reliability.
Maintenance Tips
- Perform fluid analysis to detect contamination early.
- Perform comprehensive fluid analysis to detect contamination early and prevent system damage.
- Replace inline filters according to maintenance schedules to maintain proper flow rates.