Parallel Blade Volume Damper 3000P-50X26

Parallel Blade Volume Damper 3000P-50X26h3. 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

Standard Features * Radius flush style spiral mount diffuser * Single piece formed frame * Curved frame fits flush to spiral pipe * Single deflection * Nylon bushings for easy adjustment * Adjustable blades are parallel to shortest dimension * Available in 8" thru 36" spiral diameters (Note: spiral diameter must be 4" larger than register width) * Soft White Options * RS52-GALV - Single piece galvanized steel with formed frame * RS52-SC - Screwdriver operated air scoop * RS52 O - with recessed screwdriver operated opposed blade damper * Standard Color or Designer Color Finish available on this product

with color matching Phillips posi-drive screws * All component parts

All steel construction

450 Series Engineering/Performance Data

425 Series Submittal

Options Recessed screwdriver operated Opposed Blade Damper

Note: Sizes listed are the duct or opening size the grille will fit into

accepts 6"-16" collar (collar by others)

Standard Features * 2601 - Square or rectangular for vertical mount only

Steel construction

Options * Sleeve variations * Fractional and odd sizes available h3

floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application