Fusible Link Door Louver

Adjustable z blade louver with fusible link is ideal for use in fire doors up to 1 5 hour rating.

Fusible link door louver.

Fusible link louvers rely on a fusible link which melts at elevated temperatures allowing the blades of the louver to close. Fire rated fusible link louver for 1 3 4 thick doors up to 90 minutes 10c blades close when activated by fire heat 18 ga. Install the rockwood lv fl fusible link louver for 50 free air flow. Adjustable z blade louver with fusible link is ideal for use in fire doors up to 1 1 2 hour rating.

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. 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. The blades are operated by a manual adjusting lever. Cold rolled steel frame and louver blades.

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. Only for 1 3 4 fire rated doors. A spring loaded fusible link mechanism is incorporated into the design. Adjustable blades of 16 gauge 059 crs pivot on cadmium plated steel riots.

In some cases louvers are prohibited even when the door is not required to be fire rated. Air louvers 1900a 20x12 b fire rated metal door louver adjustable with fusible link mineral bronze finish. Air louvers 1900a 18x18 b fire rated door louver adjustable with fusible link mineral bronze finish. This louver is made of galvannealed steel fastens on one side to ensure security.

Cold rolled steel frame 18 ga. Louvers meet ul 10c fire requirements. 165 f 74 c fusible link. The self attaching frame style is ideal for installation in existing door cutouts.

Fire rated door louvers a spring loaded fusible link locks the blades closed if the temperature reaches 167 f.