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 70 ℃ damper, technical stability. Our main domestic large enterprises do OEM OEM dampers, normally open damper, 70 ℃ or 280 ℃ closed, usually installed in the duct through the firewall, since the role of fire dampers off wholesale, you can set the output electrical signal temperatures exceed 70 ℃ or 280 ℃ when the valve is closed, the linkage to send (up) the fan is off. Chassis assembly point is that these main exhaust fan, we must operate in accordance with a reasonable explanation, the only way to fully demonstrate its performance, we assembled What the fans do not understand, please feel free to We consulted. Smoke dampers, fire dampers, ventilation equipment from Plumper Plumper Shandong Dezhou ventilation plant. Dezhou Plumper ventilation plant (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!