A backdraft damper lets the stream in a single way and will not alter the way or lessen the circulation. In the meantime, the balancing damper takes advantage of rotating shutters to control airflow and velocity. Leave a Reply Though many damper kinds exist, all of them serve a similar https://collinbujwk.ssnblog.com/35467627/helping-the-others-realize-the-advantages-of-air-control-dampers-for-hot-climates