MP516A pneumatic damper actuators are compact, sturdy actuators used primarily on unit ventilator controls systems. They may be adapted to various individual unit ventilator systems.

MP909D/E/H pneumatic damper actuators are rolling diaphragm, piston-type pneumatic damper actuators. These actuators are used for proportional control of variable volume terminal units, mixing boxes, and small- to medium-sized dampers.