The M573 and M574 Series Piston Damper Actuators are
used in pneumatic control systems to position automatic air
dampers upon receipt of an air pressure signal from a control
device. These actuators can be used for either proportional or
two position applications.
The M573 and M574 actuators are equipped with right angle
brackets and are adaptable to air conditioning, multi-zone,
heating, ventilating, fan coil units, unit ventilators, and mixing