Barber Colman MP-452 Valve Actuator

The Barber Colman MP-452 is a 120V electric valve actuator designed for precise modulation of control valves in HVAC and industrial systems. It features a motor-driven 180° rotation with an adjustable stroke time between 80 and 800 seconds, delivering up to 220 in-lb of torque. Equipped with an internal auxiliary switch, this actuator provides flexible control and reliable feedback in demanding automation environments. Backed by Schneider Electric, the MP-452 supports legacy and modern applications alike.

Technical Specifications
• Model: MP-452
• Type: Valve Actuator
• Voltage: 120V
• Stroke Time: Adjustable 80 to 800 seconds
• Rotation: 180 degrees
• Torque: 220 in-lb
• Switch: Built-in auxiliary switch
• Mounting: Direct-coupled or bracket-mounted
• Manufacturer: Barber Colman (Schneider Electric)

Key Features
• 120V motor with adjustable stroke time for flexible control
• 180° rotation ideal for globe and rotary valve applications
• High torque output of 220 in-lb
• Includes auxiliary switch for feedback or control logic
• Rugged design for reliable long-term performance
• Suitable for commercial, institutional, and industrial environments

Compatible Components & Accessories
• Barber Colman control valves
• Valve linkages and mounting kits
• Schneider Electric HVAC and control systems
• Position feedback and signal interfaces

Industry Applications
• HVAC modulating valve systems
• Building automation control zones
• Industrial fluid and pressure regulation
• Energy management and system retrofits
• Institutional mechanical system upgrades

Installation & Maintenance Notes
• Mount actuator securely with proper alignment
• Connect wiring per system schematic and voltage requirements
• Adjust stroke time to match system response needs
• Test full range of motion and auxiliary switch function
• Inspect periodically for torque performance and mechanical wear


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