Dezhou Plumper ventilation plant is specialized in the production of central air-conditioning equipment manufacturers supporting the end. Product totally GB, standard production line damper fan, damper advanced equipment and technology in accordance with stability. Our main domestic large enterprises do OEM OEM dampers, normally open, 70 ℃ or 280 ℃ closed, usually installed in the duct through the firewall, fires off the role, you can set the output electrical signal, the temperature exceeds 70 ℃ or 280 ℃ when the valve is closed, the linkage to send (up) the fan is off. Fire damper is installed in the ventilation, air conditioning system, the return air duct on the road, usually was turned on, when a fire in the pipeline when the gas temperature reaches 70 ℃, fusible film fuse, the valve automatically closes in the torsion force, in certain within a period of time to meet the fire resistance stability and fire integrity requirements damper wholesale, separated from the valve smoke fire retardant effect. When the valve is closed, the output signal is turned off. Fire and smoke control valve, normally open, 70 degrees is closed, with a, but more than a telecommunications signal input dampers principle, by eliminating the control room remote control turned off, generally used for peacetime air, fire, wind up a common duct system, fire When can control the wind up turning off unneeded rooms; Qinhuangdao damper damper machine _ _ Rich ventilation provided by Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (#) 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!