What Is a Motorized Fire Damper? Operating Principle and Practical Applications 1. What Is a Motorized Fire Damper? A motorized fire damper is a safety device installed in duct systems to prevent the spread of smoke and fire during a fire incident. Unlike conventional (manual) fire dampers, motorized fire dampers use an electric actuator to …
What is an NRD Non-Return Damper? Operating Principle and Practical Applications 1. What is an NRD Non-Return Damper? An NRD (Non-Return Damper) is a type of damper designed to allow airflow in only one direction while preventing air, smoke, or toxic gases from flowing back. It is an essential component in HVAC (Heating, Ventilation, and …
What Is a PRD Pressure Relief Damper? Working Principle and Practical Applications 1. What Is a PRD Pressure Relief Damper? A PRD (Pressure Relief Damper) is a device installed in ductwork or air pathways to release excess pressure once it exceeds the design threshold. It is a type of safety damper specifically designed for ventilation …
Van Chặn Lửa Là Gì? Ứng Dụng Của Van Chặn Lửa Trong Hệ Thống Công Trình 1. Van Chặn Lửa Là Gì? Van chặn lửa là thiết bị được lắp đặt trong đường ống dẫn khí, hơi hoặc nhiên liệu dễ cháy, với chức năng chính là ngăn lửa lan truyền từ một khu vực …
