Fire Door Fusible Link Location

Another fire safe option cdf distributors ships to your business are fusible link louvers which can be added ventilation to a room or closet door which would otherwise be closed off or used on a mechanical closet to seal off the room in the event of a fire.

Fire door fusible link location.

Firestopping systems should be evaluated to ensure they will not impact the credited operation of the fusible link mechanism. This arrangement allows the fire door to be released by a signal an open from a detector or fire alarm relay or a broken wire fail safe or by the melting of one of the fusible links. Attach the fusible link near the ceiling straight out from wall hole. The model ea fusible link was specifically designed for curtain type fire dampers and underwriters laboratories listed fire doors.

The maximum ambient temperature rating for the link that is greater than the maximum ambient exposure temperature at the fire door. If a fusible link. Fusible link assembly conventional fire door 26 fusible link assembly no spring release fire door 28 fusible link assembly through wall conduit 29 section 10 lintel seal 30 section 11 drop test 33 section 12 hood support installation 34 section 13 hood fascia and covers 36 hood and fascia 36 hood splice 37. 4 7 4 2 unless otherwise acceptable to the ahj fusible link s shall be installed on both sides of the wall and interconnected so that the operation of any single fusible link causes the door to close.

Please try again later. The fusible link must be more than four inches from the the through. Locate the third fusible link on the opposite side of the wall at a distance from the wall that will allow sufficient travel of the sash chain or cable to completely release the fire door. Automatic closing of a fire door in a fire event should not be installed in sleeves.

For example an ordinary fusible link rated at 165 degrees f has a maximum ambient temperature rating of 100 degrees f. More about our ea fusible link. This feature is not available right now. The size of the link and the load rating in pounds for the link.

4 7 4 3 where fusible link s are used one fusible link shall be located near the top of the opening and additional link s shall be located.