Further information for Helios Apparatebau RVS500 - Helios draft shutter RVS 500 = 504mm automatically
RVS 500
tube-flap automatically
to prevent cold air from entering when
the fan is. Automatic opening
planning to start up the fan.
Cylindrical sheet steel with
flanges on both sides. Directly to the
fan base and the flange
screw. Porting pattern to DIN 24155th
Fold aluminum, low-noise loading
operation by plastic buffer stops.
Make: Helios
Item: 2598
Type: Stainless steel 500
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