How We Service Your Unit

Each ULTRA 4653-273-91 undergoes a meticulous reconditioning, starting with a full disassembly and ending with rigorous performance testing.

Why Choose Us

NC Servo operates independently, so we’re not tied to manufacturer delays or restrictions. That means more flexibility when your system is down and needs immediate attention.

Specializing in ULTRA 4653-273-91 servo valve technology for over three decades

Frequently Asked Questions

Restoration Workflow

Each valve goes through a full teardown to expose wear and buildup. After cleaning every surface, we replace damaged parts and reassemble the unit to spec.

• Meticulous Cleaning: All parts undergo an ultrasonic cleaning process to remove contaminants before inspection.
• Rigorous Testing: The reassembled unit undergoes rigorous leak and pressure testing to verify it performs to specification.
• In-House Parts Sourcing: Many repairs use reliable components sourced from our extensive inventory of existing units.
• Final Performance Verification: After reassembly, each valve is bench-tested to ensure it meets or exceeds original performance specifications.

Diagnostic Evaluation

NC Servo operates thirteen state-of-the-art test stands, including specialized setups specifically designed for proportional and servo valves. Every valve goes through comprehensive performance and leak testing using standard test fluids to match your operational needs. Our functional testing ensures ensured functionality.

Maintenance Tips

• Replace inline filters according to maintenance schedules to maintain proper flow rates.
• Perform fluid analysis to detect contamination early.
• Inspect ULTRA 4653-273-91 seals regularly to prevent leaks.