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CB30 - three way
available 4" through 40" round (2549)
Standard Features * Individually adjustable curved blade T-Bar diffuser * Core is constructed of
Standard Features * 2533 - Square or rectangular for vertical mount only
Parallel Blade Volume Damper 3000P-34X18 Smoke-Fire Damper CB30 - three wayh3. 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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