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Extruded aluminum fixed bar blades at 45°
425 Series Engineering/Performance Data
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"
For damper free area chart A click here * 2663 - Out-of-Airstream fire door
Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice return air grille * Surface mount grille with
Parallel Blade Volume Damper 3000P-24X24 past 12 months Extruded aluminum fixed bar bladesh3. 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$ 139.00
US$ 497.50
US$ 249.50
US$ 789.50
