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Adjustable Z-Blade Louver with Fusible Link activated at 165 Degrees F is Ideal for Use in Fire Doors up to 1-1/2 Hour Rating. The Self-Attaching Frame Style is Ideal for Installation in Existing Door Cutouts. Material: 16 gauge CRS frame and louver blades. Min size 10" x 6", Max 24" x 24". Construction: Louver: Z-blade louver is riveted to the operating bar and frame at 1" intervals to welded 1-9/16" deep frame. Mechanical Stop holds blades open. Frame: Mitered and welded corners: screws fastened through prepared frame into louver core leaving corridor side of frame free of fasteners. Operation: Adjustable blades of 16 gauge CRS pivot on cadmium-plated steel rivets. The blades are operated by a manual adjusting lever. A spring loaded fusible link mechanism is incorporated into the design; upon melting of the link, the action bar is actuated, thereby closing and locking all of the blades.

Air Louvers Fire-Rated Door Louver 1900A Adjustable Z-Blade, Self-Attach, 18&quot; X 18&quot;, Bronze

firerated-door-louver-1900a1818b-adjustable-zblade-selfattach-18-x-18-bronze

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