Description
Johnson Controls MP843E001F Pneumatic Valve Actuator Overview
The Johnson Controls MP843E001F is a heavy-duty pneumatic valve actuator engineered for precise valve control in commercial and industrial HVAC systems. Featuring a 50 square inch diaphragm area, this actuator delivers reliable, consistent force to drive valve stems in demanding building automation and hydronic applications. The unit ships complete with a mounting kit for straightforward field installation.
Key Specifications
- Diaphragm Area: 50 square inches
- Spring Range: 9–13 PSI
- Maximum Control Pressure: 25 PSI
- Stroke: 3/4 inch
- Air Connection: 1/4″ OD barbed fitting
- Action: Spring return, stem up
- Includes mounting kit
Features & Benefits
- 50 sq in diaphragm provides ample actuating force for positive valve seating
- 9–13 PSI spring range allows precise modulation within standard pneumatic control systems
- 25 PSI maximum control pressure rating ensures safe, reliable operation
- 3/4″ stroke accommodates a wide range of compatible valve bodies
- 1/4″ OD barbed fitting air connection for quick, secure pneumatic tubing hookup
- Spring return stem-up action provides fail-safe positioning on loss of air signal
- Mounting kit included for faster, easier installation
- Designed for use in commercial HVAC, building automation, and hydronic valve control applications
Applications
The MP843E001F is ideal for controlling two-way and three-way valves in commercial HVAC air handling units, chilled water systems, hot water heating systems, and other pneumatically controlled building automation environments where dependable spring-return actuation is required.







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