Description
Johnson Controls MP823D001A Pneumatic Valve Actuator Overview
The Johnson Controls MP823D001A is a heavy-duty pneumatic valve actuator engineered for precise, reliable valve positioning in commercial and industrial HVAC systems. Featuring a 25 square inch diaphragm area, this actuator delivers the force needed to operate a wide range of two-way and three-way control valves. Supplied complete with a mounting kit, it is ready for straightforward field installation.
Key Features
- 25 square inch diaphragm for high-force actuation
- 4–8 PSI spring range for accurate modulating control
- 3/4″ stroke length for positive, full-travel valve operation
- 1/4″ OD barbed fitting air connection for easy pneumatic tubing hookup
- 25 PSI maximum control pressure rating
- Spring return, stem up fail-safe action for system safety on air loss
- Includes mounting kit for simplified installation
Technical Specifications
- Model: MP823D001A
- Brand: Johnson Controls
- Diaphragm Area: 25 square inches
- Spring Range: 4–8 PSI
- Stroke: 3/4″
- Air Connection: 1/4″ OD barbed fitting
- Maximum Control Pressure: 25 PSI
- Actuator Action: Spring return, stem up
- Includes: Mounting kit
Applications
Ideal for use in pneumatic control systems in commercial buildings, hospitals, universities, and industrial facilities. The MP823D001A is well-suited for controlling hot water, chilled water, and steam valves in air handling units, fan coil units, and other hydronic HVAC applications where dependable spring-return fail-safe operation is required.







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