DRVS 200 – Helios – Motorised Backdraught Shutter

DRVS 200 – Helios – Motorised Backdraught Shutter

To prevent cold air from entering when the fan is not running. Function through fan operation. 

Cylindrical sheet steel housing with flanges on both sides. Can be screwed directly onto the fan base plate or flange.Hole pattern according to DIN 24155. Low-noise operation. Spring mechanism outside air flow, locking force adjustable.

Product PDF:

DRVM – DRVS