Parallel Blade Volume Damper 3000P-58X28 Commercial 1/2" spacing dual angular louvers

1/2" spacing dual angular louvers

955 Series Engineering/Performance Data

3/16” holes on 1/4” staggered centers

SD52 - Transition Box Spiral Pipe Grille (Single Deflection)

To adjust diffuser

Parallel Blade Volume Damper 3000P-58X28 Commercial 1/2" spacing dual angular louversh3. 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