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china factory 70 deg or 280 deg electric msfd hvac fire damper for air ductwork70℃ or 280℃ electric Fire damper in good quality
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HVAC Rectangular Duct Sealed Air DamperThe air volume damper has the features of simple construction, low leakage, small torque, flexible operation, corrosion resistance.
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Hvac Round electric air damperIt is installed in Chiller room and interlocked with axial fan.In Summer,when the axial fans are running,the damper are also running to exhaust the air produced by chillers;in Winter,the axial fan don't run ,and the dampers also stay closed to keep the temperature insides.
LOADING IMAGES
Galvanized sheet round air non-return backdraft damper
lead time:
15 - 25 days since received depositproduct orgin:
Fujian, China (Mainland)brand:
XMZXLshipping port:
XiaMenpayment:
L/C,T/T,Western Union
Galvanized sheet round air non-return backdraft damper is used for preventing the reverse of air-flow in circular reduction systems. It with a inner foam seal for better tightness and noise reduction. The Non-Return Damper opens when overpressure occurs and closes by means of spring when the pressure drops. It’s recommended to install the shutter into horizontal ducting.
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Product Name
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Galvanized air duct round Non-Return Damper
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Metal Materia
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made by Galvanized Steel, Blades made by Aluminum
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Diameter
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100,150,200,250,300,350,400mm or According to your requests
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Shape
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Round
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Hvac rectangular Manual Galvanised Steel Adjustable Air Duct Damper Between Ductsnext :
Rectangular Automatic Opposed Blade Air Volume Control Valve Damper
Pressure relief dampers for ventilation
Use for regulate pressure in cleanroom Control air mixing rate Maintain positive pressure Flexible rotation Save engery
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china factory 70 deg or 280 deg electric msfd hvac fire damper for air ductwork
70℃ or 280℃ electric Fire damper in good quality
Aluminum air opposed volume control blade Damper
1. It can be used to adjust the air distribution of the air condition system. 2. It adopts the means of linkage between the blades. The ventilating areas can be changed by pulling the valve plate.