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Nailor Industrial & Heavy Duty Control Dampers are designed to control airflow and provide shut off in HVAC or industrial process control systems. A variety of optional features make them extremely versatile, allowing their capabilities to be tailored to the application.

Nailor ​1910/1920 Series Industrial Control Dampers are designed for use in medium to high pressure systems with velocities up to 3500 fpm (18 m/s) and pressure differentials up to 20" w.g. (5 kPa). Nailor 1970/1980 Series Industrial Control Dampers are designed for use in high pressure systems with pressure differentials of up to 34" w.g. (8.5 kPa) and velocities up to 6000 fpm (30 m/s).

Nailor’s industrial backdraft dampers are designed to prevent the backflow of air while allowing for automatic air intake or exhaust in industrial HVAC or process air systems.