Parallel Volume Damper Low Leak 3000PLL-42X28

Parallel Volume Damper Low Leak 3000PLL-42X28h3. 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

Submittal Drawing

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 6" Duct Opening  (front blades parallel to shortest dimension)

Divided 2-way multi-louver and combination shut-off

700 CB40 - four way * 6x6 thru 20x20 diffuser sizes * Square to round No Labor Collar * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700 CB40 0 - opposed blade damper * 700CB FR - U

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

Adjustable curved blade diffuser

Front blades parallel to shortest dimension

Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern

Standard Features * Steel galvaneal construction * For evaporative coolers or central blower systems * Modern step-down design * 4-way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * One-piece removable slide damper for off season closure * Soft White

Stamped from cold roll steel

Options * 2800 Series - Dynamic Fire Damper * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3

Installation Ring only