MOOG D
D635-120D
For critical Moog D635-120D valve repair, trust the experts. We offer comprehensive service to solve your issue, backed by a one-year warranty on all parts and labor.
General Information
Whether the issue is age, wear, or contamination, the Moog D635-120D can often be fully restored. NC Servo Tech applies the same structured approach to every rebuild.
Frequently Asked Questions
Yes. Our technicians can often identify units based on photos, dimensions, or manufacturer markings. You can upload a photo before shipping to speed up the process.
Standard turnaround is 1-3 weeks, with expedited options available for urgent situations.
We recommend sending pictures, especially if the model number is unclear or there is visible wear.
We'll always confirm next steps if a unit can't be rebuilt to functional specifications.
We'll clean it during our process, but sending it in reasonably clean reduces handling time.
Valve Refurbishment Steps
Our experienced team completely disassembles each valve to assess internal wear conditions. After ultrasonic cleaning, we install high-grade replacement components and reassemble to exacting standards.
- Final Performance Verification: After reassembly, each valve undergoes bench-testing to ensure it meets or exceeds OEM performance specifications.
- In-House Parts Sourcing: Many repairs use reliable components sourced from our extensive inventory of existing units.
- Comprehensive Teardown: Every valve is fully disassembled for a thorough internal inspection.
- Thorough Decontamination: Every component is put through a deep cleaning process to remove grime and buildup.
Advanced Technical Details
We ensure your Moog D635-120D operates flawlessly under real-world conditions. Our diagnostics verify performance in real-world conditions, ensuring long-term reliability. Comprehensive Cycle life data and Performance data are available for purchase upon request.
Schedule Your Moog D635-120D Service Today
Trust NC Servo Tech 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.
Our Process Steps
Each Moog D635-120D undergoes a meticulous reconditioning, starting with a full disassembly and ending with rigorous performance testing.
The NC Servo Tech Advantage
We've built our shop around one thing: industrial repair excellence. With decades of experience and deep product knowledge, we deliver consistent results, one unit at a time.
Diagnostic Evaluation
NC Servo Tech operates our 13-stand test facility, including specialized setups specifically designed for proportional and servo valves. Every valve goes through comprehensive performance and leak testing using a range of hydraulic fluids like Skydrol and MIL-5606. Our operational testing ensures guaranteed reliability.
Maintenance Tips
- Conduct thorough visual inspections for wear or leaks during routine maintenance.
- Replace inline filters per maintenance schedules.
- Replace inline filters according to maintenance schedules to maintain proper flow rates.