Nailor 1200SS and 1200SS-3 Series Stainless Steel Airfoil Multi-blade Fire Dampers are classified for use only in static "supporters off" devices where by the HVAC system is immediately shut down within the event of a fireplace alarm. The 1200SS and 1200SS-3 sequence dampers are designed and tested to deliver top https://heavydutystainlesssteelda14566.ampblogs.com/examine-this-report-on-dampers-for-industrial-sector-73539987