Requirements for opening angle of awning window on curtain wall:
The glass curtain wall is ventilated by opening the fan,
In order to ensure the air tightness and water tightness of the curtain wall, open fans should be set as few as possible to meet the requirements of ventilation.
Considering the safety factors, the opening angle of the opening fan shall not be greater than 15 degrees, and the opening distance shall not be greater than 300mm.