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On a Rolling Steel Fire door, pertaining to Fusible link locations, are they required at or within a certain distance of a release mechanism (such as the release arm that engages the govenor assembly?

Question asked by kwildman on Jan 16, 2017
Latest reply on Jan 17, 2017 by cdafd

On the Endplates of the rolling steel fire door, there are release arms. One side releases the tension to allow the door to start moving down, other side has a governor that will control the descent speed. Being that they are " release devices", is a fusible link required at each, or within a certain distance of each?