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SD34 - Transition Box Spiral Pipe Grille (DOUBle Deflection)
w/ Screwdriver Operated Opposed Blade Damper
Opposed Blade Damper
sizes T-20 Tamper Proof Screws SUBMITTAL 903 Series Submittal PERFORMANCE DATA 903 Series Engineering/Performance Data REVIT FILES Surface Mount Aluminum Supply Diffuser Double Deflection front Long with Damper Surface Mount Aluminum Supply Diffuser Double Deflection front Long
Blade lock to secure blades once the product is activated
Parallel Volume Damper Low Leak 3000PLL-44X28 Smoke-Fire Damper SD34 - Transition Box Spiralh3. 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
