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450 Series Engineering/Performance Data
2x4 T-Bar (22" x 46" duct)
Standard Features * Fixed bar blades parallel to 1st dimension given *
102C - corner
Rust resistant pre-coat with durable powder finish
Parallel Blade Volume Damper 3000P-28X10 Specialty Products 450 Series Engineering/Performance Datah3. 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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