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CORTIZO Microventilation

This device comprising of two pieces located in the window ironmongery, allows a tiny opening (6 to 8 mm) that ensures a slow and gradual air entry whilst maintaining the window in the closed position. 
It can be applied to all types of openings: practicables, turn/tilts and sliders.
The microventilation's mechanism for practicable and turn/tilt Windows can be regulated allowing variations in the ventilation flow.

Technical Data

Practicable & Turn/Tilt Windows
VENTILATION FLOW
Pressure (Pa) 50
Flow (l/sm²)* up to  17,2 (1)

AIR PERMEABILITY CLASS 1
Value obtained in a micro opening
position according to EN 12207:2000

ADMISSION SURFACE AREA
Pract. - S(cm²) = 0,8 x height sash (cm)
Turn-T. - S(cm²) = 0,8 x width sash (cm)

(1) Value obtained according to
EN 1026:2000 by test carried out
according to report Pr110009.
Window reference 1.246 x 1.500 m. 2 sashes

* Flow proportioned by m² of sash
that incorporates microventilation
Sliding Windows
VENTILATION FLOW
Pressure (Pa) 50
Flow (l/sm²)* up to  8,0 (1)

AIR PERMEABILITY CLASS 1
Value obtained in a micro opening
position 
according to EN 12207:2000

ADMISSION SURFACE AREA
Slider - S(cm²) = 0,6 x height sash (cm)

(1) Depending on the sliding serie
* Flow proportioned by m² of sash
that incorporates microventilation
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