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Ships within 48 hours · Estimated delivery Sep 27 - Oct 2
For damper free area chart B click here * 2665 - Round fire door for vertical mount only
425 Series Engineering/Performance Data
listed Fire-Resistance Diffuser * 700 Series - T-Bar Lay-in Panel * TVB - Thermal Vapor Blanket * Square collar
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 30" Duct Opening (front blades parallel to shortest dimension)
Opposed Blade Volume Damper 3000-0BD-36X10 Smoke-Fire Damper For damper free area charth3. 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.
US$ 115.00
US$ 90.00
US$ 947.50
US$ 890.00
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US$ 185.00
US$ 15.00
US$ 23.00
