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SD52 Submittal Drawing
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 24" Duct Opening (front blades parallel to shortest dimension)
3 cone steel diffuser with hinged core for easy duct access
Blades are parallel to the shortest dimension
w/ Lever Operated Opposed Blade Damper
Parallel Volume Damper Low Leak 3000PLL-32X10 Step Down Ceiling Diffuser SD52 Submittal Drawingh3. 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
