Use
On the peak in the Astron PR and Polar roofs

Function
Ventilation of the building at the ideal peak position, where large movement of air is required.

General Characteristics
Body and endcaps are made of ivory coloured steel.
Interior vanes are ivory coloured coated steel.
Bird screen, galvanised welded wire mesh.
galvanised opening mechanism and springs.
Steel operating cable, cable guides (instead of standard type pulleys), hook and cable stop.
Stainless steel screws and aluminium rivets.

Shape, Dimensions, Weight
Single Unit:
Length: 3600 mm
Weight: 95 kg

Mechanical Performance
Air extraction capacity: 6000-7000 m3/h NOTE: The capacity is influenced by the difference between the internal and external temperatures, by the height of the building and by the spacing between the ventilators.