The ESD is fitted with an electrical spring return actuator.
24V or 220V Optional.
The ESD can be set to spring open or spring closed to respectively exhaust or contain smoke under emergency conditions.
The option for extended shaft is available for fitment of your choice of actuator.
Where external space is a constraint, the actuator can be mounted internally within the airstream. The ESD is suitable for vertical and horizontal installation in walls and slabs. Spigots can be fitted for spiral duct installation Available in 304 and 316 stainless steel on request.