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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Options * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3
Maximum dimension 60x60 single
450 Series Engineering/Performance Data
Back blades are parallel to the longest dimension
Standard Features * 4000 - door core grille with single frame * 4100 - door core grille with additional loose frame *
Opposed Blade Volume Damper 3000-0BD-16X10 Commercial Options * Sleeve variations *h3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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.
