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SS roof turbineventilator, FRP roof turbine ventilator, roof 
| Non-Powered Roof Fan Performance Parameters (No Power Turbine Fan) | ||||||||
| Machine Number | Exhaust Outlet Diameter (mm) | Height (mm) | Number Of Leaves | Turbine Outside Diameter (mm) | Ventilation Average Annual Wind Speed (m/s) | Exhaust Volume (m3/min) | Materials | Colour |
| 12" | 300 | 350 | 20 | 340 | 3.4 (Level 3 Wind Speed) | 23 | Stainless Steel, Color Plate | True color, color selection |
| 14" | 360 | 580 | 20 | 460 | 3.4 (Level 3 Wind Speed) | 33 | Stainless Steel, Color Plate | True color, color selection |
| 20" | 500 | 500 | 25 | 620 | 3.4 (Level 3 Wind Speed) | 42 | Stainless Steel, Color Plate | True color, color selection |
| 20" | 500 | 720 | 25 | 610 | 3.4 (Level 3 Wind Speed) | 42 | Stainless Steel, Color Plate | True color, color selection |
| 24" | 600 | 630 | 29 | 720 | 3.4 (Level 3 Wind Speed) | 65 | Stainless Steel, Color Plate | True color, color selection |
| 27" | 680 | 950 | 36 | 880 | 3.4 (Level 3 Wind Speed) | 75 | Stainless Steel, Color Plate | True color, color selection |
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Main products
Roof turbine ventilator ,Spiral duct ,Tdf duct ,Bbq exhuast pipe ,Flexible connecter ,Flexible duct ,Duct fittings ,Fire damper and so on
| Roof turbine ventilator | Spiral duct | Tdf duct | Bbq exhuast pipe |
| Flexible connecter | Flexible duct | Duct fittings | Fire damper |

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