Volume Damper Low-Leak OBD 3000-0BDLL-38X16 Smoke-Fire Damper 055 T6 extruded aluminum surface

055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 - one way

Delivers supply air in a 360° air pattern

450 Series Submittal

see 1560 Series * Tamper proof screws * Standard Color

Volume Damper Low-Leak OBD 3000-0BDLL-38X16 Smoke-Fire Damper 055 T6 extruded aluminum surfaceh3. 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.