Description
The Honeywell MP918B1113 is a high-force, spring-return pneumatic damper actuator engineered for reliable performance in commercial and industrial HVAC damper control applications. With a robust pneumatic design, this actuator delivers precise, consistent damper positioning across a wide range of operating conditions.
Key Features
- High actuator force for demanding damper control applications
- Spring return operation ensures fail-safe damper positioning on loss of air pressure
- 3-1/2″ stroke for broad compatibility with commercial damper linkages
- 8–13 PSI spring range for accurate modulating control
- 29 PSI maximum operating pressure for safe, reliable system integration
- Wide operating temperature range: -40°F to 158°F (-40°C to 70°C)
- 5–95% RH humidity range for use in diverse environmental conditions
- 1/4″ barbed fitting for OD plastic tubing — easy pneumatic line connection
Performance Specifications
- Actuator Type: Pneumatic, Spring Return
- Stroke: 3-1/2″
- Spring Range: 8–13 PSI
- Maximum Operating Pressure: 29 PSI
- Operating Temperature Range: -40°F to 158°F (-40°C to 70°C)
- Humidity Range: 5–95% RH (non-condensing)
- Tubing Connection: 1/4″ Barbed Fitting for OD Plastic Tubing
Application
The MP918B1113 is ideal for use in building automation and HVAC zoning systems where pneumatic control of air handling dampers is required. The spring-return mechanism provides a reliable fail-safe position, making it well-suited for outdoor air, exhaust, and mixed-air damper applications. Its wide temperature and humidity tolerance ensures dependable operation in mechanical rooms, rooftop units, and other challenging environments.
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