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. Our main domestic large enterprises do OEM OEM dampers, normally open exhaust fan, 70 ℃ or 280 ℃ closed damper, usually installed in the duct dampers through the firewall, fires off the role, you can set the output Telecommunications No fire damper pictures, the temperature exceeds 70 ℃ or 280 ℃ when the valve is closed, the linkage to send (up) the fan is off. Air volume control valve body architecture After 2 mm cold rolled galvanized sheet molding, carbon dioxide gas welding or welding by ordinary Q235 plate processing; blades with 1 mm cold rolled galvanized sheet for corrugated, spot welding two pieces of synthetic interpolating axes, or 2 mm G235 steel cold forming, punching chip interpolating axes or welding circular shaft. Axial fan damper | Chengde damper | Rich ventilation provided by Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (www.frtfsb.com) (www.frtfsb.com) 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!