Volume Damper Low-Leak OBD 3000-0BDLL-44X42

Volume Damper Low-Leak OBD 3000-0BDLL-44X42h3. 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.

Interlocking steel roll-formed blades

Jamb seals (stainless steel)

601TFG Series Engineering/Performance Data

Holds up to a 4" filter (not included) with filter retention tabs (FG4)

Maximum size 60"x48"

Standard Features * 3-way diffusion for draft-free heat or air conditioning * For ceiling or sidewall applications * All component parts

listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar

Standard Features * For evaporative cooling or high velocity exhaust applications with divided 2-way multi-louver and combination shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White

Round ceiling radiation butterfly damper

For damper free area chart A click here * 2563 - Out-of-Airstream fire door

*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches

Performance Data - No Damper