Barber Colman N800-4405 Spring

The Barber Colman N800-4405 is a replacement spring designed specifically for use with F/M574 series pneumatic actuators. This OEM-grade component restores proper return force and actuation balance, ensuring reliable system performance. Engineered for durability and compatibility, the N800-4405 is essential for maintaining actuator function in HVAC and industrial control systems. Now available through Schneider Electric, it supports both ongoing maintenance and system longevity.

Technical Specifications

  • Model: N800-4405
  • Type: Replacement Spring
  • Compatible Actuator: F/M574 series
  • Material: High-strength spring steel
  • Function: Provides return force in actuator mechanism
  • Installation: Internal actuator component
  • Manufacturer: Barber Colman (Schneider Electric)

Key Features

  • OEM replacement spring for F/M574 actuators
  • Maintains proper actuator stroke and responsiveness
  • Durable construction for long-lasting tension
  • Supports smooth and reliable actuation cycles
  • Ideal for restoring worn or fatigued actuator components
  • Simple replacement process during scheduled maintenance

Compatible Components & Accessories

  • Barber Colman F574 and M574 pneumatic actuators
  • Diaphragm kits and actuator repair parts
  • Linkage assemblies and mounting hardware
  • Schneider Electric control systems

Industry Applications

  • HVAC air handling and damper systems
  • Pneumatic valve actuation
  • Commercial building automation
  • Institutional climate control
  • Industrial fluid and air management systems

Installation & Maintenance Notes

  • Depressurize actuator before opening housing
  • Replace spring during diaphragm or seal maintenance
  • Verify spring alignment and seating before reassembly
  • Test actuator motion after reinstallation
  • Use OEM parts to ensure proper tension and performance


We ship this product worldwide! Delivery is normally stock.

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