Spiral Duct with Silencer
Spiral Duct with Silencer
Our Spiral Duct is manufactured with CE certified machinery according to AS4254 requirements ensuring minimal duct leakage and energy efficient fan operation. Hard Spiral Ducts are manufactured using 0.6mm, 0.8mm, 1.0mm and 1.2mm galvanised grade G250 sheet metal with Z275 coating class. Silencer with polyester insulation and perforated galvanized steel sheet.
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Spiral duct dimensions
| Imperial Size
Inches |
Metric Size
mm |
Wall Thickness
mm |
| 6 | 152 | 0.6 |
| 8 | 203 | 0.6 |
| 10 | 254 | 0.6 |
| 12 | 305 | 0.6 |
| 14 | 356 | 0.6 |
| 15 | 381 | 0.6 or 0.8 |
| 16 | 406 | 0.6 or 0.8 |
| 18 | 457 | 0.6 or 0.8 |
| 20 | 508 | 0.6 or 0.8 |
| 22 | 559 | 0.6 or 0.8 |
| 24 | 610 | 0.8 |
| 26 | 660 | 0.8 |
| 28 | 711 | 0.8 |
| 30 | 762 | 0.8 |
| 32 | 813 | 0.8 |
| 34 | 864 | 0.8 |
| 36 | 914 | 0.8 |
| 38 | 965 | 1.0 |
| 40 | 1016 | 1.0 |
| 42 | 1067 | 1.0 |
| 44 | 1118 | 1.0 |
| 48 | 1219 | 1.0 |
| 50 | 1270 | 1.2 |
| 52 | 1321 | 1.2 |
| 54 | 1372 | 1.2 |
| 56 | 1422 | 1.2 |
| 58 | 1473 | 1.2 |
| 60 | 1524 | 1.2 |
| 62 | 1575 | 1.2 |
| 64 | 1626 | 1.2 |
Fast Delivery
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48 Hour Dispatch
Need HVAC parts in a hurry? We have standby parts ready to be shipped to you at your request. Contact us today.
Quality Control
All of our products are tested for quality control before leaving the factory floor. We guarantee quality in all of our products.
Customer Support
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