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ventilation duct,air duct
air ventilation duct
1 Material:FRP,stainless steel
2 low noise,anti heat, anti coorosion,
3 high intensity,and strength,
The FRP ,flexible duct,duct,air conditioning duct, air duct,air ducting
Brief introduction
It selects the non-combustible inorganic fiber glass resin reinforced plastic material.This kind of products owns the good features such as water-free,high intensity,smooth surface and so on,which can work long time in wet situation.
The non-combustible inorganic ventilating duct we produced are confromed thoroughly to requirements of JC646.It can be devided into tow kinds:uninsulated and insulated.
This kind of ventilating duct owns the below performance:
1.Compare with the iron steel, it is A grade non-combustible material,its fire resistance is better,which oxygen index is 100.
2.Compare with the galvanized steel ducts,its anti-corrosion is better,its service life is as 3-4 times as steel plate's
3.Compare with the galvanized steel ducts,it owns better sound insulation,sound absorbing,and the heat conduction index is low.
4,tensile property,antistress,and anti impact features are good.
5.The keeping warm materials inside the ducts are finished with ducts,quality is stable.When installation on-spot, no need to do the insulation project.It will save installation fee,.speed the project,and save valuable space.
When ordering ,pls indicate clearly the insulating layer thickness.
Main techincal parameters
| Technical Indicators | No. | project | Technical Indicators | |
| 2.2+-0.2 | 8 | Tensile strenghth Mpa | ≥48.5 | |
| no change | 9 | compression strenghth Mpa | ≥42.5 | |
| no change | 10 | bending strength Mpa | ≥65 | |
| 12 | 11 | impacting strength J/cm3 | ≥3.5 | |
| no change | 12 | High temperature resistance | 500 | |
| no change | 13 | oxygen index % | 90 | |
| no change | 14 | uninflammability | A grade |
The wall thickness of duct and flanfe specification
| The duct long edge(Dia) | the wall thickness of duct | flange ventilation duct specification | |
| Uninsulated duct | Insulated duct | ||
| ≤300 | 3 | internal2,external2 | 35*10 |
| 320-500 | 4 | internal2,external3 | 40*12 |
| 530-1000 | 5 | internal3,external3 | 50*13 |
| 1060-1500 | 6 | internal4,external4 | 55*15 |
| 1600-1900 | 7 | internal4,external5 | 60*18 |
| ≥2000 | 8 | internal5,external5 | 60*20 |
