Parallel Blade Volume Damper 3000P-20X18 past 12 months Standard Features * Galvanized steel

Standard Features * Galvanized steel panel * Square hole: 6" thru 22" sizes * Seismic support holes * 2x2 * Soft White Options * 1x2

11/32” Wide x 1-27/32” High slots

Designed to handle high volumes of air with horizontal flow

Fractional Sizes

PERFORMANCE DATA 915 Series Engineering/Performance Data

Parallel Blade Volume Damper 3000P-20X18 past 12 months Standard Features * Galvanized steelh3. 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