Hydronorma Servo Valve Repair & Sales
Since 1975
Independent service for Rexroth Hydronorma servo and proportional valves. Nearly five decades of expertise, testing, and performance restoration.
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Hydronorma Proportional Valve Repair
NC Servo Technology has serviced Rexroth Hydronorma hydraulic valves for nearly 50 years. As an independent repair provider, we offer faster turnaround than manufacturer service while maintaining the accuracy and performance your industrial systems demand.
We specialize in diagnosing, rebuilding, and testing Hydronorma servo and proportional valves across all series. From legacy 4WE directional control valves to 4WRA proportional systems, we restore your components to manufacturer specifications using test equipment and replacement parts.
Hydronorma Valve Services
From repair to replacement, we support your Hydronorma valve systems.
Hydronorma Servo Valve Repair
Rebuild services for Hydronorma servo valves, including torque motor replacement, spool restoration, and flow and pressure testing to restore hydraulic control.
Hydronorma Proportional Valve Repair
Diagnostics and repair for proportional directional control valves, including coil replacement, spool refurbishment, and testing to ensure accurate hydraulic flow control.
Hydronorma Servo Valve Sales
Refurbished and ready-to-ship Hydronorma servo valves from our inventory of over 19,000 units. All units tested with one-year warranty coverage for immediate replacement needs.
Hydronorma Proportional Valve Sales
Stock of refurbished Hydronorma proportional valves ready for immediate shipment. Each unit verified on test stands to meet performance specifications before delivery.
Why Choose NC Servo for Hydronorma Repair?
As an independent service provider, we deliver advantages that manufacturer service centers can't match.
Faster Turnaround
Our repair turnaround is typically faster than sending units to the manufacturer. We prioritize your hydraulic components and offer rush services when downtime is important to your operations.
Large Inventory
With over 19,000 servo and proportional valves in stock, we maintain one of the industry's largest inventories. Refurbished units available for purchase when you need immediate replacements.
Testing
Thirteen test stands verify flow, pressure, response time, and performance characteristics. Testing ensures every Hydronorma valve meets manufacturer specifications before return.
Multi-Brand Experience
Our technicians service hydraulic systems from all major manufacturers including Moog, Bosch Rexroth, Parker, and Vickers. This experience informs our Hydronorma repair methodology.
Testing Protocol
Every Hydronorma valve is tested on our dedicated hydraulic test stands.
Our testing infrastructure includes 13 test stands capable of simulating real-world operating conditions. We verify flow rates, pressure response, null position accuracy, and dynamic performance across the valve's operating range.
Each repaired valve is tested to ensure it meets manufacturer specifications. Test documentation and performance graphs are available at additional cost.
Hydronorma Valve Repair FAQs
Answers to frequently asked questions about our Hydronorma repair services.
What is the typical turnaround time for Hydronorma valve repair?
Standard repair turnaround is typically faster than manufacturer service. Exact timing depends on component availability and repair complexity. Rush services are available when downtime is important to your operations. Contact us with your specific model for current turnaround estimates.
Do you repair all Hydronorma valve models?
Yes, we service all Rexroth Hydronorma valve series including legacy 4WE directional control valves, 4WRA proportional valves, and other discontinued models. Our extensive parts inventory and technical expertise allow us to support systems that manufacturers no longer service.
What warranty do you provide on repaired Hydronorma valves?
All repaired Hydronorma valves include a comprehensive one-year warranty covering parts and workmanship. This warranty ensures your confidence in the quality and reliability of our repair services.
How do I get a quote for Hydronorma valve repair?
Contact us with your valve model number, serial number, and description of any issues or failure symptoms. We can provide a preliminary quote and more accurate pricing after receiving the unit for diagnostics. Use the quote form below or call us directly at the number provided.
What if you don't have my specific Hydronorma valve in stock?
While we maintain an extensive inventory of over 19,000 valves, if we don't have your specific Hydronorma model in stock, we can act as a broker to source the valve you need. Our industry relationships and sourcing capabilities allow us to locate hard-to-find and discontinued Hydronorma valves from trusted suppliers worldwide.
Do you offer exchange programs for Hydronorma valves?
Exchange programs are available on select Hydronorma models. Availability depends on having your specific model in stock, the condition of your trade-in valve, and whether the model qualifies for our exchange program. Contact us to check if your valve is eligible for exchange.
Ready to Restore Your Hydronorma Valves?
Repair service backed by nearly 50 years of hydraulic expertise.
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