Door ventilation grilles double sides, have the function of equalizing-flow. They are part of the ventilation system to ensure flow between rooms. Grilles have still blades in the shape of an inverted V, blocking the visibility. Due to its construction grille flow are used in areas exposed to mechan...
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Door ventilation grilles double sides, have the function of equalizing-flow. They are part of the ventilation system to ensure flow between rooms. Grilles have still blades in the shape of an inverted V, blocking the visibility. Due to its construction grille flow are used in areas exposed to mechanical damage (boiler rooms, garages, gyms, as well as external air intakes louvres). On request it is possible to make the grille with damper allows adjustment of air. KWSP/D is set mounted primarily in the door leaves and garage doors, where is the need to mask the ventilation hole from both sides of the door. Assembly by using visible screws in stamped holes in the grille frame.


Grille has Hygienic Certificate HK/K/0522/02/2016

Material and workmanship

Grille and masking are in standard made from powder-coated galvanized sheet steel. On the special request it can be made of stainless steel or aluminum and painted in any RAL color. Masking frame MS is made of expanded metal mesh. If the grid KWSP should be in a different color than the masking, should such information be given in the order.

KWSP/D door air-flow grille
Declarations of conformity 847 KB
Catalogue 196 KB
Hygienic certificate 1.1 MB