Motorized fire & smoke damper or Combination fire and smoke damper (ul555 & ul555s)
Motorized fire & smoke damper or Combination fire and smoke damper J C Cooling LLC’s Fire damper is a device installed in an air distribution system or an air transfer opening designed to close automatically upon detection of heat interrupting airflow and thereby restricting the passage of fire in the process. Fire dampers are installed in fire rated walls/barriers/partitions (sleeve required) where the HVAC ductwork penetrates ensuring that their integrity is maintained. The location and installation procedure of fire dampers should be in accordance with the widely accepted and recommended standard, NFPA 90A – Standard for the installation of Air-Conditioning. https://youtu.be/Uc_grntN-Rw Motorized fire smoke damper DESCRIPTION:- All corners of the frame are fully welded (and painted to prevent rust) to ensure sturdy construction for a rattle free operation. Designed for parallel blade operation. AMFSD series combination ...