Nailor 1200SS and 1200SS-3 Series Stainless Steel Airfoil Multi-blade Fire Dampers are categorized for use only in static "followers off" techniques in which the HVAC technique is mechanically shut down during the party of a hearth alarm. The 1200SS and 1200SS-three sequence dampers are already made and examined to supply https://heavy-duty-stainless-stee02233.luwebs.com/37804002/dampers-for-industrial-sector-for-dummies