The Barber Colman MP-455 is a proportional electric valve actuator delivering 220 in-lb of torque for precise modulation of HVAC and industrial flow control systems. Equipped with an SPDT auxiliary switch, this actuator offers additional control flexibility and position feedback. Designed for smooth, accurate movement and long-lasting performance, the MP-455 is ideal for applications requiring reliable and adjustable valve positioning. Now backed by Schneider Electric, it remains a dependable OEM solution.
Technical Specifications
• Model: MP-455
• Type: Proportional Valve Actuator
• Torque: 220 in-lb
• Control Type: Proportional
• Switch: Built-in SPDT auxiliary switch
• Operation: Smooth modulation across full stroke
• Mounting: Direct to valve body or bracket-mounted
• Manufacturer: Barber Colman (Schneider Electric)
Key Features
• Provides 220 in-lb of modulating torque
• Integrated SPDT switch for feedback or control logic
• OEM design for compatibility with Barber Colman valves
• Suitable for HVAC and industrial process systems
• Rugged, durable construction for extended service life
• Ideal for retrofit or new installations requiring precise control
Compatible Components & Accessories
• Barber Colman valve assemblies
• Mounting hardware and linkages
• Control systems and signal interfaces
• Schneider Electric automation platforms
Industry Applications
• HVAC valve modulation and automation
• Building energy management systems
• Industrial fluid and pressure control
• Institutional heating and cooling infrastructure
• Proportional valve control systems
Installation & Maintenance Notes
• Mount securely and align actuator with valve stem
• Wire control signal and SPDT switch per system diagram
• Verify proportional control range and actuator stroke
• Test for smooth movement and proper switch response
• Inspect periodically for torque output and electrical integrity
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.