Testing and maintenance requirements are provided in Chapter 19 of NFPA 80 for fire dampers and Chapter 7 of NFPA 105 for motorized smoke dampers and combination fire/smoke dampers.

The motorized damper (TMD520) is designed to introduce fresh air into the building envelope through an intake damper that is controlled by the microprocessor-based ventilation control interface.

Headquartered in Smiths Falls, Ontario, Canada, TAMCO is a market leader in motorized and non-motorized dampers that control airflow in large-scale specialty applications in commercial, industrial ...