Barber Colman MK-3141-0-2 is a pneumatic damper actuator (Schneider Electric) designed for precise, modulating control of HVAC dampers and valves in industrial automation. It features an adjustable 2–4 inch stroke and operates on a 3–13 psi air supply, enabling repeatable positioning across a range of damper linkages. This model is commonly used in HVAC retrofits and new installations to provide reliable damper actuation within the Barber Colman/Schneider Electric lineage.
