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smooth style * 360 air diffusion * Excellent for variable air volume applications * Hinged-down core for easy access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"
Zinc plated steel closure spring
Maximum dimension 60w x 52h
91 Series Submittal
INSTALLATION INSTRUCTIONS
Parallel Blade Volume Damper 3000P-66X38 Specialty Products smooth style * 360 airh3. 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
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