Parallel Blade Volume Damper 3000P-30X14 Smoke-Fire Damper 3-way register with stiffened 1/2"

3-way register with stiffened 1/2" fan shaped louvers for silent operation

3 hour fire resistance rating

Standard Features * Gang-operated opposed blade radial volume control damper for use with RD Series Round Diffusers * Available in 2" increments from 6"-24"

Individually welded 14 guage diffusion bars

Parallel Blade Volume Damper 3000P-30X14 Smoke-Fire Damper 3-way register with stiffened 1/2"h3. 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