Hvac Galvanized Sheet Manual Smoke Exhaust Discharging Valve Air Duct Fire Damper

Hvac ceiling fire dampers are passive fire protection products used in heating, ventilation, and air conditioning ductwork installation to prevent the spread of fire inside the ductwork through fire-resistance rated walls and floors. Fusible sheet 70℃, 280℃ are optional.
Foshan Vairtech Ventilation Co., Ltd. mainly produces and develops exquisite central air-conditioning terminal air outlets and accessories. With modern appearance and rigorous production technology, it leads the international trend and is loved by many engineers, designers and wholesalers.
Based on the spirit of quality and service supremacy, we have successively obtained various system certificates and more than 20 invention patents. Our annual sales have reached 80 million US dollars,currently exported more than 150 countries. In order to achieve global carbon neutrality, we Vairtech products concept advocates environmental protection and energy saving globalization, and contributes to the more comfortable and healthy air that people can breathe in the world.
Our website: www.vairtech.com
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