Parallel Volume Damper Low Leak 3000PLL-64X64 Smoke-Fire Damper Concealed mounting holes with mounting

Concealed mounting holes with mounting screws

115T Series Engineering/Performance Data

Extruded aluminum fixed bar blades at 45°

Curved saddle with gasket provides airtight fit to spiral pipe

Standard Features * Heavy duty honeycomb construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system * Soft White Options * No mounting holes * Tamper Proof Screws * Standard Color

Parallel Volume Damper Low Leak 3000PLL-64X64 Smoke-Fire Damper Concealed mounting holes with mountingh3. 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