In a curtain damper Type B installation, where are the blades located?

In a curtain damper Type B installation, the blades being located out of the airstream is a fundamental characteristic of its design. This placement allows for effective modulation of air flow without directly obstructing or disturbing it during operation. By situating the blades outside of the airstream, the damper can manage air flow with minimal pressure drop, enhancing system efficiency and reducing potential turbulence within the duct system.

Moreover, this configuration is advantageous for minimizing noise and ensuring that any potential buildup of dirt or debris does not directly hinder the movement of the blades. It also provides ease of maintenance since the components are less exposed to the flow of air and its accompanying contaminants. This design mechanism is crucial in achieving the desired operational balance within a heating, ventilation, and air conditioning (HVAC) system.