Series 23 non-spring return
Damper actuators with NEMA 2 enclosure are rated for 24 VAC power supply, with either on/off-floating or modulating control.

Series 24 spring return
Damper actuators fail to the pre-designated open or closed position. NEMA 2 enclosures are rated for 24 VAC or 120 VAC power supply, with either on/off, floating or modulating control.

Download PDF

Series 33 / 41
Industrial non-spring return actuators with NEMA 4 weatherproof enclosure. The Series 33 is rated for 24 VAC power supply. The Series 41 is rated for 120 VAC power supply. The Series 33 and 41 are available in either on/off or modulating control.

Download PDF

Series 45 non-spring return
Damper actuators with NEMA 4 enclosure are rated for 24 VAC power supply, with either on/off-floating or modulating control.

Series 46 spring return
Damper actuators fail to the pre-determined open or closed position. NEMA 4 enclosure are rated for 24 VAC or 120 VAC power supply, with either on/off, floating or modulating control.

Download PDF

Series 52
Diaphragm type actuators are spring loaded to fail in the pre-determined open or closed position and available in on/off or modulating control.

Download PDF

Series 81
Pneumatic double acting rack and pinion actuators fail in last position and are available in on/off or modulating control.

Series 82
Pneumatic spring return rack and pinion actuators fail to the pre-determined open or closed position on loss of air, and are available in on/off or modulating control.

Download PDF