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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.
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Single or Double Layer Aluminum foil flexible duct pipe
They are intended for use in low and medium pressure heating ,cooling,ventilation, exhaust and air conditioing systems.
They are made of single layer or double layer metallized aluminum foil and high-tensile steel wire.
lead time:
5 - 25 days since received depositproduct orgin:
Fujian, China (Mainland)brand:
XMZXLshipping port:
XiaMenpayment:
L/C,T/T,Western Union
Double or Single Layer Aluminum foil flexible duct pipe
Specifications:
1. Full flexible, lightweight aluminum laminated duct, suitable for medium pressure airconditioning and ventilation system
2. Diameter: 82mm to 400mm
3. Temperature range: -30 degree .C to 140 degree. C
4. Air velocity: Max.30m/sec(5906ft/min)
5. Working pressure: Max.300 mm WG(3000Pa or 12 WG)
6. Ideal for all air conditioning/ventilation systems, such as hospital, hotel, commercial
building as well as and industrial and residential application
7. Available bare and pre-insulated type with glass wool insulation
8. Tear and puncture resistant construction
9. Spring steel wire helix assures dimensional stability and more efficient air distribution
10. Highly resistant to corrosion and micro organisms
11. High degree of flexibility, which allows it to be easily connected to any desired
position, especially where pre-cast ducts would be difficult and costly to beinstalled
12. Quick and economical means of correcting misalignment between systems components
13. Low friction loss and no air leakage if it's installed in the right way
14. No toxic gas emitted when exposed to fire or high temperature
15. Compressed ducts reduce freight and storage cost
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Reinforced PVC flexible ventilation air duct pipe
flexible duct connectors for ventilation ductwork
Made of metal and fabric with PVC or silicone coating,silicone coating has fire resistance. Working Temperature PVC coating:-30 to +80℃ Silicone coating:-30 to+280℃ Color:PVC coating:black Silicone coating:red/grey Help to prevent transmission of vibration and noise between air treatment group and a ductwork Temperature range from -30℃ to +21
Double/Single Layer 16K/30MM or 32K/25MM Aluminum Foil Insulated Flexible Duct
it is always used in the HVAC systems and the air conditioner insulation system
aluminum flexible duct, flexible hose, flexible heat resistant duct hose
Pass ISO 9001-2000 quality certificate, Semi Rigid Aluminum Duct for all pressure air conditioning and ventilation system