What kind of fire dampers | fire dampers | neutral HVAC

 Fire dampers, exhaust valves, including how to select the damper: 1. damper, fire control valve, normally open, 70 degrees is closed, usually installed in the duct through the firewall, fires off the role, you can set the output electrical signal, smoke a sense of more than 70 degrees when the valve is closed, the chain of delivery (up) the fan turned off; 2. Fire and smoke dampers Shandong most professional valve manufacturer, normally open, 70 degrees is closed, the same, but more an electrical signal input, by elimination Remote Control damper closed the control room where the most widely used, are generally used in peacetime air, fire, wind up a common duct system, fire up the wind can be controlled off unneeded rooms; 3. damper, 280 degrees fuse shut, normally open output electrical signal, and this one is similar, but different fusing temperature, generally used in fire exhaust pipe through the firewall, the flue gas temperature exceeds 280 degrees automatically blown off, you can turn off the exhaust fan chain. The main parameters for the selection damper control specifications. 2. damper suitable for ventilation and air conditioning system, fire dampers best suppliers, in addition to public buildings, kitchen hood system with dampers, operating temperature of 150 ℃, the general ventilation and air conditioning systems with fire dampers operating temperature of 70 ℃. 3. The damper is suitable for pipe ventilation, air conditioning or exhaust system, the scope and application of the basic functions in Table 1. 4. The selection of valve should pay attention to the function of the valve, normally open or normally closed, shut down automatically open, close the open hand, manual reset, signal output, remote control and other requirements. 5. If the valve and fan interaction should be used with double micro-switch device. 6. The valve should be steel blade thickness of 2 ~ 6mm damper, non-combustible material body, rotating parts should be corrosion-resistant metallic materials, and flexible rotation. Shall not be less than the thickness of the valve housing 2mm. Yi Rong parts shall comply with recognized standards of the fire department. What kind of fire dampers | fire dampers | neutral air conditioning and ventilation is provided by air conditioning and ventilation equipment, Ltd. Shandong neutral. HVAC Equipment Co., Ltd. Shandong neutral (sdzltf.com) strong, credible, Shandong Texas heat, refrigeration and air conditioning equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the neutral air conditioning and ventilation into the brilliant and you work for a better future!