Pressure Relief Vertical Mount 3510-16 Specialty Products Standard Features * Adjustable curved

Standard Features * Adjustable curved blade

Fixed bars with 0° deflection

* 2650 - Round spring actuated (6) damper for vertical or horizontal mount

Available 4" thru 52" round

Pressure Relief Vertical Mount 3510-16 Specialty Products Standard Features * Adjustable curvedh3. 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