Fire dampers automatically close in the event of a fire. Static fire dampers are for use in a system in which the airflow is shut off during a fire. A static fire damper will not remain closed if the fans continue to blow.

17S

1½ Hour Rated Curtain Blade Fire Damper 17SF

1½ Hour Rated Thin Line Curtain Fire Damper 17SX

1½ Hour Rated Curtain Blade with Integral X-Style Sleeve Fire Damper 17S(SS)

1½ Hour Rated Curtain Blade Stainless Steel Fire Damper 38SPhoto not available
3 Hour Rated Curtain Blade Fire Damper 38SXPhoto not available
3 Hour Rated Curtain Blade with Integral X-Style Sleeve Fire Damper 38S(SS)

3 Hour Rated Curtain Blade Stainless Steel Fire Damper S3
1½ Hour Rated True Round Curtain Fire Damper (Phillips)