FSD37LP-PFMA

The FSD37LP Combination Fire/Smoke Damper are both UL555 and UL555S Classified, and rated as a 1-1/2 hour fire damper and a Leakage Class I Smoke

• Maximum velocity of 2,000 fpm.
• Maximum 4" static pressure.
• Low profile design provides lowest pressure drop.
• UL tested for dual directional airflow.
• Failsafe design, which enables the damper to automatically assume the desired position when fire or smoke (if smoke detector is present) interrupts operational power. Galvanized steel

IOM

Warranty