Barber Colman N800-1414 Actuator

The Barber Colman N800-1414 is a 3-hole crank arm designed for use with 3/8″ damper shafts in HVAC systems. It serves as a linkage accessory for pneumatic damper actuators, facilitating the transfer of motion from the actuator to the damper. This crank arm is compatible with various actuator models, including the M556, M573, and M574 series.

Technical Specifications

  • Model: N800-1414

  • Type: Crank arm accessory

  • Shaft Compatibility: 3/8″ diameter

  • Design: 3-hole configuration for adjustable linkage

  • Material: Durable metal construction

  • Compatible Actuators: M556, M573, M574 series

Key Features

  • Provides adjustable linkage between pneumatic actuator and damper

  • 3-hole design allows for flexibility in installation and motion range

  • Constructed from durable materials for longevity

  • Essential component for proper actuator-damper operation

Compatible Applications

  • HVAC systems utilizing M556, M573, or M574 pneumatic damper actuators

  • Ventilation and air handling units requiring precise damper control

  • Industrial process control systems with pneumatic actuation

Installation & Maintenance Notes

  • Ensure the crank arm is securely attached to the damper shaft

  • Verify alignment between actuator and damper for smooth operation

  • Regularly inspect for signs of wear or damage

  • Follow manufacturer guidelines for maintenance procedures


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