Shandong ventilation duct processing air flow control valve can be used in subway ventilation, air conditioning system fire prevention and smoke exhaust, valve with fire automatic alarm equipment and gas fire extinguishing system linkage control function。
青海福彩网 Each automatic air volume control valve has two independent electric control signals, which are monitored by EMCS and gas elimination system respectively, and the control signals are DC24V + 10% signals。 In the installation of air flow control valve, we must do a good job of the above considerations, only in this way, when the fire can take place in its characteristics, protect personal and property safety。
1。 smoke exhaust fire valve, the main control parameters for specifications。
2., smoke exhaust valve blade should be steel plate, the thickness of 2~6mm, the valve is non combustible material, the rotating components should be corrosion-resistant metal materials, and flexible rotation. The shell thickness of the valve shall not be less than 2mm. Easy to melt components shall comply with fire department approval standards.
3. selection of smoke fire valve should pay attention to the function of the valve, normally open or normally closed, automatic shutdown, open, manual closed, open, manual reset, signal output, remote control requirements.
4。 smoke dampers are suitable for ventilation, air conditioning, or smoke extraction systems
5. smoke fire dampers for ventilation and air conditioning system, in addition to public buildings kitchen smoke exhaust system with fire dampers, action temperature of 150 degrees outside, general ventilation and air conditioning system with smoke exhaust fire valve action temperature of 70 degrees.
6。 if the smoke damper and the fan linkage should be selected with dual micro switch device。
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