R18118 UL Listed

• Rolling diaphragm operated Low friction shaft bearing Close tolerance on operating range and stroke Non-overlapping spring ranges for sequencing Corrosion-resistant materials Reliable long life 6.6 sq-in diaphragm effective area Dual barbed fitting for 5/32 in or 1/4 in OD tubing

These actuators are used for proportional control of variable volume terminal units, mixing boxes, and small to medium sized dampers. They are available in various operating ranges for either independent operation or sequence operation with other actuators. The MP909E has an optional adjustable stroke feature. The MP909H includes a positive positioner. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman and older Honeywell actuator models.