Description
External protective grille is installed in building fronts on supply and exhaust air opening. Protection net prevents the entrance of small animals, large insects and foliage into ventilation ducts.
Construction
- supporting frame
- horizontal fixed blades
- protection net 13 × 13 mm
Material and finish
Material options:
- galvanized sheet metal
- aluminium sheet metal
- stainless steel sheet metal
Any colour according to RAL palette.
Accessories
- insect protection net 2.5 × 2.5 mm
- VO - built-in installation frame
- extendable plenum box
- RPB - extendable plenum box up to dimension 900 × 500 mm adapts to the width of the wall. Insulated inside 19 mm.
- 1 - Extendable plenum box
- 2 - Insulation 19 mm
- 3 - Round connection opening
- 4 - Drain profile
- 5 - Protective grille
Dimensions and types
Dimensions A and B are variable.
PG-50
PG-100
Installation
Installation on wall with screws or with built-in frame.
Installation of large grilles
Grilles PG-100 up to width A=2000 mm and height B=2400 mm and grilles PG-50 up to width A=2000 mm and height B=1500 mm are manufactured in one piece. Grilles of larger dimensions, which may still be transported in one piece, have built transverse reinforcements. Grilles that are too large to transport in one piece are made of several parts and are assembled on site.
