Parallel Blade Volume Damper 3000P-50X24 Accessories Access door with 1-3/8" deep

Access door with 1-3/8" deep steel roll formed frame

* 3 hour rated * UL and California State Fire Marshall approved * 4-1/4" standard frame style * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3

Spiral Diffuser Radius Flush Mount Diffuser Single Deflection with Damper

Dampers above 80 square inches free area will be provided with blade insulation

Parallel Blade Volume Damper 3000P-50X24 Accessories Access door with 1-3/8" deeph3. 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