DVV/120 roof radial fans are suitable for daily ventilation, up to 120°C media.
Casing
Octagonal casing and motor cover, made from sea water resistant aluminium, with a bird protection guard.
Base frame is made from ZM (Zinc-Magnesium) coated steel.
Motor
IEC flange motors outside air stream with efficiency class IE2/IE3, where applicable.
Impeller geometry
Radial welded impeller with backward curved blades manufactured from steel.
Output control
Speed controllable via frequency converter. Service switch on the casing.
Motor protection
Integrated PTC thermistors.
EMC
Shielded cable from motor to service switch is available optionally respectively serially at some items.