Johnson Controls MP843E001 Pneumatic Valve Actuator, 9-13 PSI, 50 Sq In

Description

The Johnson Controls MP843E001 is a heavy-duty pneumatic valve actuator engineered for reliable modulating control of valves in commercial HVAC and building automation systems. With a 50 square inch diaphragm area, this actuator delivers the force needed to precisely position valves across a wide range of hydronic and steam applications.

Key Features

• 9–13 PSI spring range for accurate, proportional valve positioning
• 3/4″ stroke provides reliable valve travel for precise flow control
• 1/4″ OD barbed fitting air connection for easy pneumatic hookup
• 25 PSI maximum control pressure for safe, dependable operation
• Spring return stem up action ensures fail-safe valve positioning on loss of air signal
• 50 square inch diaphragm area delivers high actuating force
• Sold without mounting kit — compatible with a range of Johnson Controls valve bodies

Specifications

• SKU: MP843E001
• Brand: Johnson Controls
• Spring Range: 9–13 PSI
• Stroke: 3/4″
• Air Connection: 1/4″ OD Barbed Fitting
• Maximum Control Pressure: 25 PSI
• Fail-Safe Action: Spring Return, Stem Up
• Diaphragm Area: 50 Square Inches
• Mounting Kit: Not Included

Application

Ideal for use in commercial building automation systems, the MP843E001 is designed to work with Johnson Controls pneumatic valve bodies for modulating hot water, chilled water, and steam service. The spring return stem up fail-safe action ensures the valve moves to a predetermined safe position whenever the pneumatic signal is lost, making it a dependable choice for critical HVAC control loops.