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ST • Spiral Duct

ST • Spiral Duct

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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.

Article: C0101SK607889

Brand

Application

Used for air supply and exhaust in ventilation and air conditioning systems

Material

Hot dip galvanized steel

Composition
Order Example

ST-250

Explanation:

ST = Duct type L= 3m
250 = Diameter of the duct

Symbols and Specifications

Negative pressure -750 Pas to BS12237
Positive pressure 2000 Pas to DW146
Max temp. of 70°C
Hot dipped Galvanized to BS EN 10346 G140/275
Zinc Layer with average thickness of 20µ
Caution! Due to the fact that spiral ducts are manufactured in different batches, colour difference can occur