Barber Colman PNV-232 Actuator

The Barber Colman PNV-232 is a precision pneumatic actuator designed specifically for use with MK-4621-422 valve bodies. It delivers smooth and accurate modulating control in HVAC and industrial fluid systems. Featuring a calibrated spring range of 10 to 11.25 psig, this actuator ensures responsive performance and is ideal for systems requiring stable, repeatable control action through a pneumatic signal.

Technical Specifications

  • Model: PNV-232

  • Type: Pneumatic Actuator

  • Control Type: Modulating (Proportional)

  • Spring Range: 10 to 11.25 psig

  • Compatible Valve: MK-4621-422

  • Motion Type: Linear

  • Mounting: Direct mount to compatible valve body

  • Construction: Durable metal housing with factory-set spring

  • Condition: New

Key Features

  • Designed for precise proportional control in HVAC valve applications

  • Pre-calibrated spring provides accurate response to control air pressure

  • Ideal fit for MK-4621-422 Barber Colman valve bodies

  • Ensures consistent modulating movement in fluid control systems

  • Reliable and maintenance-friendly design

Compatible Applications

  • Chilled water and hot water control valves

  • Steam valve modulation in HVAC systems

  • Pneumatic zone and terminal unit control

  • Commercial building automation

  • Energy management systems with pneumatic control loops

Installation & Maintenance Notes

  • Ensure actuator is mounted securely to MK-4621-422 valve

  • Supply clean, dry control air within specified pressure range

  • Confirm actuator response during system commissioning

  • Inspect for wear or leaks at regular maintenance intervals

  • Do not exceed specified psig range to avoid damaging internal components


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