Blade dampers generate a lot less noise and come in two varieties: parallel and opposed dampers. Parallel blade dampers: Their blades transfer in the same path and keep the airflow. Multi-blade air flow dampers offer exact, variable control of airflow via air flow programs. Consisting of many blades that may https://aircontroldampersforhotcl80123.blog-ezine.com/36701039/the-greatest-guide-to-air-control-dampers-for-engine-sheds