Barber Colman PP-226 Pressure Control

The Barber Colman PP-226 is a pneumatic pressure control designed for precise modulation of air pressure within HVAC and pneumatic control systems. This reliable and field-adjustable unit maintains consistent pressure output, making it a valuable component in air-based automation and energy management systems. Now offered through Schneider Electric, the PP-226 continues to deliver the durability and performance expected from Barber Colman controls.

Technical Specifications

  • Model: PP-226
  • Type: Pneumatic Pressure Control
  • Control Action: Proportional
  • Supply Pressure: Up to 30 psi (typical)
  • Output Signal: Modulated pneumatic pressure based on setpoint
  • Mounting: Surface or panel mount
  • Setpoint Adjustment: Manual
  • Manufacturer: Barber Colman (Schneider Electric)

Key Features

  • Maintains consistent pneumatic output pressure
  • Proportional control action for smooth system response
  • Field-adjustable for tailored pressure control
  • Durable construction for commercial and industrial use
  • Compact design for flexible mounting
  • Reliable operation for HVAC and automation applications

Compatible Components & Accessories

  • Pneumatic actuators and dampers
  • Thermostats and relay devices
  • Schneider Electric automation systems
  • Tubing kits, mounting plates, and accessories

Industry Applications

  • HVAC pressure modulation
  • Building automation and zone control
  • Industrial airflow and system balancing
  • Institutional heating/cooling networks
  • Replacement for aging pneumatic control devices

Installation & Maintenance Notes

  • Mount in a clean, accessible location
  • Connect to dry, filtered air supply for optimal performance
  • Adjust pressure setpoint according to system requirements
  • Inspect tubing for leaks or obstructions
  • Calibrate periodically to ensure output accuracy


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