Parker Servo Valve Repair & Sales | Proportional Valve Repair & Sales | Electronic Control Repair & Sales | NC Servo Technology

Parker Valve Repair & Sales
Since 1975

Independent service for Parker Hannifin servo valves, proportional valves, and electronic control modules. Nearly five decades of expertise restoring Parker hydraulic control systems.

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Years Experience

19k+

Units in Stock

1yr

Warranty

Parker Hannifin Specialists

Parker Servo Valve Repair & Sales

NC Servo Technology has serviced Parker Hannifin valves and electronic controls for nearly 50 years. As an independent repair provider, we offer faster turnaround than manufacturer service while restoring your Parker components to manufacturer specifications.

We diagnose, rebuild, and test Parker servo valves, proportional valves, directional control valves, and electronic control modules across all series. From classic BD series to DFplus Generation IV with Voice Coil Drive technology, our technicians service current production and discontinued models.

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Industrial valve with red label
Service Offerings

Parker Hydraulic Services

Repair, sales, and testing for Parker servo valves, proportional valves, and electronic control systems.

Parker Servo Valve Repair & Sales

Rebuild services and refurbished units for Parker servo valves including BD series and pilot-operated control valves. Torque motor replacement, spool restoration, and comprehensive flow testing. Stock available from our 19,000+ unit inventory.

Parker Proportional Valve Repair & Sales

Service for Parker proportional valves including DFplus series with Voice Coil Drive technology and D*1FP pilot-operated valves. Coil replacement, spool reconditioning, and functional testing. Refurbished valves ready for shipment.

Parker Electronic Control Repair & Sales

Repair and sales for Parker electronic control modules, command signal processing units (PZD00A series), and closed-loop control modules (PID00A series). Circuit diagnostics, component-level repair, and testing.

Parker Denison Legacy Support

Service for Parker Denison branded products following Parker's 2003 acquisition of Denison Hydraulics. Cross-reference capabilities between legacy Denison and current Parker part numbers for seamless system integration.

Independent Advantage

Why Choose NC Servo for Parker 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 components to Parker for service. We prioritize your hydraulic systems and offer rush services when downtime matters to your operations.

Large Inventory

With over 19,000 valves and control modules in stock, we maintain one of the industry's largest inventories. Refurbished Parker units available for purchase when you need immediate replacements.

Testing Infrastructure

Thirteen hydraulic test stands verify valve performance, flow rates, pressure response, and control accuracy. Electronic control modules tested with proper load simulation and signal verification.

Voice Coil Drive Expertise

Specialized knowledge of Parker's Voice Coil Drive (VCD) technology used in DFplus proportional valves and D*1FP series. Expertise in EtherCAT interface configuration for demanding industrial applications.

Industrial control panel with gauges and valves
Quality Assurance

Testing Protocol

Every Parker valve tested on hydraulic test stands. Electronic controls undergo bench testing and signal verification.

Our testing infrastructure includes 13 hydraulic test stands for servo and proportional valves. We verify flow rates, pressure response, and null position accuracy to manufacturer specifications. Parker electronic control modules are tested under load conditions with proper power and signal verification.

Each repaired unit is tested to ensure it meets manufacturer specifications. Test documentation and performance data available at additional cost.

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Common Questions

Parker Repair FAQs

Answers to frequently asked questions about our Parker repair services.

What is the typical turnaround time for Parker 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 matters to your operations. Contact us with your specific model for current turnaround estimates.

Do you service Parker DFplus proportional valves with Voice Coil Drive?

Yes, we service Parker's DFplus Generation IV proportional valves with Voice Coil Drive (VCD) technology and D*1FP series with EtherCAT interface. Our technicians have specialized training in VCD systems and digital communication protocols.

What warranty do you provide on repaired Parker valves and electronics?

All repaired Parker valves and electronic control modules include a one-year warranty covering parts and workmanship. This warranty ensures confidence in the quality and reliability of our repair services.

How do I get a quote for Parker valve or control module repair?

Contact us with your component model number, serial number, and description of any issues or failure symptoms. We provide accurate pricing after receiving the unit for diagnostics. Use the quote form below or call us directly.

What if you don't have my specific Parker valve in stock?

While we maintain an inventory of over 19,000 valves, if we don't have your specific Parker model in stock, we can act as a broker to source the valve you need. Our industry relationships allow us to locate hard-to-find and discontinued Parker valves from trusted suppliers worldwide.

Do you offer exchange programs for Parker valves?

Exchange programs are available on select Parker 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.

Can you service Parker Denison branded components?

Yes, we service both current Parker Hannifin products and legacy Parker Denison branded components from after the 2003 acquisition. We maintain cross-reference documentation between Parker and Denison part numbers for system integration and obsolescence management.

Ready to Restore Your Parker Systems?

Repair service backed by nearly 50 years of hydraulic expertise.

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