Blade dampers generate much less noise and are available in two varieties: parallel and opposed dampers. Parallel blade dampers: Their blades go in precisely the same route and retain the airflow. Agricultural: Carry out a crucial function in agricultural purposes such as controlling airflow by grain dryers to optimise grain https://air-control-dampers-for-h24456.thechapblog.com/35757917/helping-the-others-realize-the-advantages-of-air-control-dampers-for-hot-climates