Dezhou Plumper ventilation plant is specialized in the production of central air-conditioning equipment manufacturers supporting the end. Products in full accordance with the national standard, standard production line, advanced equipment, technology and stability. Normally open type smoke damper, 280 degrees fuse closed, normally open, output electrical signal, this and a similar, but different fusing temperature, generally used in fire exhaust pipe through the firewall, the flue gas temperature exceeds 280 degrees automatically Fuse damper closed circle, close linkage exhaust fan. Our attention to reputation, to ensure product quality and smoke dampers, focusing on small profits, rapid delivery, and after-sales service system, a lot of new construction in recent years to provide air-conditioning equipment, from product quality and after-sales service, have been customer satisfaction. Fire damper is installed in the exhaust fan at the entrance and ventilation and air conditioning systems use either system, usually in a "normally open" state, ventilation, air flow in the pipe when the temperature reaches 280 ℃, the valve by fusible metal temperature fuse action automatically closed, cutting off airflow to prevent the spread of fire. Other products: stainless steel molded tanks, galvanized steel molded tanks, enamel tank, plumbing equipment. Our attention to reputation, to ensure product quality, focusing puerile dampers factory, fast delivery, and after-sales service system, a lot of new construction in recent years to provide air-conditioning equipment, from product quality and after-sales service, users have been satisfaction. Smoke dampers | damper | Rich ventilation provided by Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (0) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Plumper ventilation equipment into the brilliant and you work for a better future!