A ventilator is a narrow window of small height which is generally fixed at the top of door or window or near the roof of a room for providing ventilation in the room. Ventilator may be fixed which provides only light, whereas the movable ones provide light and air circulation.
Ventilators are provided with glass panels and steel grill is fixed for safety conditions.
Indian Standard Code designates ventilators as 6V6. This represents a ventilator of 600 mm (= 6 × 100) width and height of 600 mm (= 6 × 100). Table 20.3 shows the Indian Standard ventilator frames and shutters.
Table 20.3 Standard dimensions of timber ventilators
Note: Thickness of the shutters are 20, 25, or 30 mm depending on size of the opening.
The shutter of the ventilator is horizontally pivoted and can be opened or closed by use of the chords, one attached to its top rail and the other to the bottom rail.
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