Descripción del producto

AEROVAC Non Return Dampers are designed for automatic shutoff of Individual sections of the air conditioning system. With the fan running, the degree of blade opening is a function of air velocity. If the fan is turned off, the blade will close automatically. In a multi fan installation system this prevents back draught through the non operating fan.

AEROVAC NRD type model are also called Self Closing Damper or Gravity Damper or Pressure Relief Damper The blades are smooth, reliable and designed for energy saving.

These are air operated, opening or closing dampers for intake, discharge and pressure relief vents in air conditioning systems. Designed to maintain a constant air pressure level inside pressurized rooms.