Opposed Blade Volume Damper 3000-0BD-68X66 Specialty Products Options * 3000 OBDLL -

Options * 3000 OBDLL - Low Leak Air Control Damper

back blades parallel to the shortest dimension Extruded aluminum surface mount frame with signature line marks Provides 4-way air flow on one plane Nylon bushings on adj

PERFORMANCE DATA

Product sizes available to fit spiral pipe diameters 8” – 48

PERFORMANCE DATA 845 Series Engineering/Performance Data

Opposed Blade Volume Damper 3000-0BD-68X66 Specialty Products Options * 3000 OBDLL -h3. 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.