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3-hour fire resistance rating
Countersunk mounting holes for flush appearance with stainless sheet metal screws
165° replaceable fusible link
All Aluminum Construction
Parallel Volume Damper Low Leak 3000PLL-60X34 T-Bar 3-hour fire resistance ratingh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
US$ 13125.00
US$ 2749.09
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