Parallel Blade Volume Damper 3000P-72X44 Specialty Products Available in 6”–12” collar sizes

Available in 6”–12” collar sizes

3 hour fire resistance rating

blade to blade neoprene seals

Aluminum 3 cone T-Bar diffuser with a fixed face

PERFORMANCE DATA 907 Series Engineering/Performance Data

Parallel Blade Volume Damper 3000P-72X44 Specialty Products Available in 6”–12” collar sizesh3. 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