Circular spiral duct with standard length of 3M, spiral wound tube rolled from prime steel (certified) hot dipped galvanised, with flat folded joint to obtain rigidity and airtightness.
Structural strength & performance to DW144 classes A, B, C and BS EN 12237 A, B, C.
The airtightness class can also determined by the installation.
Explanation:
https://www.sksales.co.uk/product/04/047154397bfcdb04de7ae5.pdf
| Product Variant & Price Selecto |
Spiral duct 3 m × 80 mm, Spiral duct 3 m × 100 mm, Spiral duct 3 m × 125 mm, Spiral duct 3 m × 150 mm, Spiral duct 3 m × 160 mm, Spiral duct 3 m × 180 mm, Spiral duct 3 m × 200 mm, Spiral duct 3 m × 224 mm, Spiral duct 3 m × 250 mm, Spiral duct 3 m × 280 mm, Spiral duct 3 m × 300 mm, Spiral duct 3 m × 315 mm, Spiral duct 3 m × 355 mm, Spiral duct 3 m × 400 mm, Spiral duct 3 m × 450 mm, Spiral duct 3 m × 500 mm, Spiral duct 3 m × 560 mm, Spiral duct 3 m × 600 mm, Spiral duct 3 m × 630 mm, Spiral duct 3 m × 710 mm, Spiral duct 3 m × 800 mm, Spiral duct 3 m × 900 mm, Spiral duct 3 m × 1000 mm, Spiral duct 3 m × 1120 mm, Spiral duct 3 m × 1250 mm |
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