Fire door closing accessories Accessory set FD120Closing side accessory set. Carry bar FD101Carry bar for fire door closing systems on double doors. Carry bar FD102Carry bar for fire door closing systems on double doors. Connecion box FD140Connection box for door leaf installation. Connecion box FD145Connection box for door leaf installation. Flush bolt FD108Flush bolt for passive door locking. Hold open device FD114Mechanical hold open device Mounting plate DC112Angle mounting plate for FD110 and FD111. Mounting plate DC116Angle mounting plate for sliding arms and fire for closin… Mounting plate DC117Angle mounting plate for double door fire door closing systems. Mounting set FD113Mounting set for wide doors. Opening damper FD115Opening damper Optical smoke detector FD601Optical smoke detector Sliding arm FD494Sliding arm with free-swing function. Sliding arm FD495Sliding arm with free-swing function. Sliding arm FD499Sliding arm with free-swing function for door closers.