Fire Resistant Grilles GE120XL
Rectangular fire resistant ventilation grilles are applicable for fire compartmentation within buildings. The grille is made of lamellas, which swell at a temperature of approximately 100°C, thereby closing the opening. The fire resistant grilles are only applicable in systems without pressure or systems where in case of fire, the installation immediately shuts down, thereby assuring no pressure on the fire resistant grilles. The fire resistance last for 2 hours. In order to achieve four hours of resistance, a second grill must be installed after the first one.
This type of grilles should not be installed outside the building and should be kept away from water's reach.
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