Pressure Relief Vertical Mount 3510-8X8 past 12 months Individually welded 14 guage diffusion

Individually welded 14 guage diffusion bars

951 Series Engineering/Performance Data

950 Series Engineering/Performance Data

Performance Data

Pressure Relief Vertical Mount 3510-8X8 past 12 months Individually welded 14 guage diffusionh3. Standard Features * 3510 Vertical mount * 3520 Horizontal mount air up * 3530 Horizontal mount air down * Designed to open with negative or positive pressures for intake or exhaust air * Felt edge blades to hold noise to a minimum * Aluminum construction * Blade to blade linkage * 1 4" pivot pins in nylon busings * Maximum size 24 x 24 * Mill finish h3. Options * Sleeve variations * Mounting flange * Adjustable counter balance to adjust various