SHUT-OFF DAMPER HI AIR KOREA(HAK) SHUT-OFF DAMPERS are effective in isolating duct system that requires air tightness. These dampers can be also supplied with ATEX Directive 2014/34/EU for explosive atmosphere installations. VIEW FLOW CONTROL DAMPER HI AIR KOREA(HAK) FLOW CONTROL DAMPERS are used to regulate the airflow rates to ensure the required condition of HVAC system. This can be done manually or automatically depending on the requirement of the system. These dampers can be also supplied with ATEX Directive 2014/34/EU for explosive atmosphere installations. VIEW PRESSURE RELIEF / NON-RETURN DAMPER HI AIR KOREA(HAK) PRESSURE RELIEF DAMPERS are used to relieve over pressure through ventilation ducts. When the pressure exceeds a certain level, the blades are opened by the air pressure applied to damper blades. VIEW FIRE DAMPER(FOR NUCLEAR POWER PLANT) HI AIR KOREA(HAK) FIRE DAMPERS for nuclear power plant can be installed at HVAC systems provided for various buildings of a nuclear power plant. VIEW SMOKE DAMPER(FOR NUCLEAR POWER PLANT) HI AIR KOREA SMOKE DAMPERS for nuclear power plant can be installed at HVAC systems provided for various buildings of a nuclear power plant. VIEW MANUAL DAMPER(FOR NUCLEAR POWER PLANT) HI AIR KOREA MANUAL DAMPERS for nuclear power plant can be installed at HVAC systems provided for various buildings of a nuclear power plant. VIEW CONTROL DAMPER(FOR NUCLEAR POWER PLANT) HI AIR KOREA CONTROL DAMPERS for nuclear power plant can be installed at HVAC systems provided for various buildings of a nuclear power plant. VIEW SWING PANEL(FOR NUCLEAR POWER PLANT) HI AIR KOREA SWING PANEL for nuclear power plant can be installed at HVAC systems provided for various buildings of a nuclear power plant. VIEW