Barber Colman PND-145-104 Actuator

The Barber Colman PND-145-104 is a pneumatic actuator designed for precise control of valves in HVAC and industrial systems. Operating on air pressure, it modulates valve positions to regulate fluid flow, ensuring efficient system performance.

Technical Specifications

  • Model: PND-145-104

  • Type: Pneumatic actuator

  • Control Action: Modulating

  • Spring Range: 5 to 10 psi (34 to 69 kPa)

  • Stroke: 1.75 inches (44 mm)

  • Diaphragm Area: 50 square inches (323 cm²)

  • Maximum Air Pressure: 30 psi (207 kPa)

  • Air Connections: 1/8 inch FNPT

  • Operating Temperature Range: -20°F to 220°F (-29°C to 104°C)

  • Housing Material: Die-cast aluminum

  • Mounting Orientation: Upright position with actuator head above valve centerline

Key Features

  • Provides precise modulating control for valve positioning

  • Spring return mechanism ensures fail-safe operation upon air pressure loss

  • Durable construction suitable for demanding environments

  • Compact design allows for versatile mounting options

Compatible Applications

  • HVAC systems requiring modulating control of valves

  • Industrial process control applications

  • Building automation systems

Installation & Maintenance Notes

  • Ensure proper alignment with valve stems during installation

  • Verify air supply connections are secure and leak-free

  • Regularly inspect actuator for signs of wear or damage

  • Follow manufacturer guidelines for calibration and maintenance


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