

Alnor
SMOKE SPIRAL EXTRACTION DUCT D:150MM L-3000 MM
Professional Alnor spiral smoke extraction duct, diameter 150 mm and length 3000 mm, certified to E600 120 (ho) S1500 single for high-temperature smoke exhaust systems. Constructed from reinforced galvanized steel to ensure structural stability, low pressure loss, and reliable performance under fire conditions. Ideal for commercial, industrial, and high-spec HVAC installations.
SKU - VESDU1500703000
€22,75
€22,76
In stock:
60
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Product Details
| Specification | Details |
|---|---|
| Brand | Alnor |
| Product Type | Spiral Smoke Extraction Duct |
| Fire Classification | E600 120 (ho) S1500 single |
| Diameter | 150 mm |
| Length | 3000 mm |
| Material | Galvanized steel |
| Construction Type | Spiral, reinforced |
| Temperature Resistance | Up to 600°C for 120 minutes |
| Pressure/Velocity Class | S1500 – suitable for high smoke extraction velocity |
| Orientation | (ho) – horizontal installation |
| Wall Thickness | 0.5–0.7 mm (Alnor standard range) |
| Connection Method | Standard circular duct fittings |
| Application | Smoke extraction, fire-rated ventilation, industrial HVAC |
| Features | High rigidity, corrosion-resistant, low system pressure loss |
