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The Honeywell MP918A1081/U is a pneumatic fail-safe spring return actuator designed for proportional control of dampers in HVAC systems. This actuator is suitable for medium to large-size dampers and features a rolling diaphragm for reliable performance. It includes a positive positioner with a ten psi span and an integrated five psi spring for optimized functionality.
This actuator is built with a low friction shaft bearing and offers close tolerance on its operating range and stroke, ensuring high accuracy in operation.
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