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Lever operated steel multi-shutter damper
AA-HVL Series Engineering/Performance Data
* 3 hour rated * UL and California State Fire Marshall approved * 4-1/4" standard frame style * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3
945 Series Submittal
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 6" Duct Opening (front blades parallel to shortest dimension)
Parallel Volume Damper Low Leak 3000PLL-64X32 Smoke-Fire Damper Lever operated steel multi-shutter damperh3. 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$ 32.96
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US$ 44.00
US$ 50.00
US$ 50.00
US$ 44.00
