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Ships within 48 hours · Estimated delivery Oct 24 - Oct 29
round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U
Blades are parallel to the longest dimension
Options * 2800 Series - Dynamic Fire Damper * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3
2" ADC compliant round collar with bead for ease of installation
parallel to longest dimension
Parallel Volume Damper Low Leak 3000PLL-70X60 Smoke-Fire Damper round collar only) * 830h3. 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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