Fusible Link Door Louver

Adjustable z blade louver with fusible link is ideal for use in fire doors up to 1 1 2 hour rating.

Fusible link door louver.

Air louvers 1900a 20x12 b fire rated metal door louver adjustable with fusible link mineral bronze finish. In some cases louvers are prohibited even when the door is not required to be fire rated. Ideal for installation in existing door cutouts. This is because a louver even a fusible link louver designed to close when a certain temperature is reached will allow smoke to pass into the area protected by the door.

Louvers meet ul 10c fire requirements. Only for 1 3 4 fire rated doors. The blades are operated by a manual adjusting lever. Install the rockwood lv fl fusible link louver for 50 free air flow.

Fusible link louvers rely on a fusible link which melts at elevated temperatures allowing the blades of the louver to close. Adjustable z blade louver with fusible link is ideal for use in fire doors up to 1 5 hour rating. These louvers have been tested and certified to maintain the fire resistance of the door assembly but smoke may pass through the louver before the link melts. This louver is made of galvannealed steel fastens on one side to ensure security.

A spring loaded fusible link mechanism is incorporated into the design. The self attaching frame style is ideal for installation in existing door cutouts. Cold rolled steel frame 18 ga. Fire rated door louvers a spring loaded fusible link locks the blades closed if the temperature reaches 167 f.

Cold rolled steel frame and louver blades. 165 f 74 c fusible link. Cold rolled steel adjustable z blades mitered corners secured with reinforcing clips stainless steel spring 165o fusible link free area 40 8 x 3 4. Adjustable blades of 16 gauge 059 crs pivot on cadmium plated steel riots.

Air louvers 1900a fire rated louver with fusible link adjustable z blade louver with fusible link activated at 165 degrees f is ideal for use in steel and composite fire doors up to 1 1 2 hour rating.