Intumescent vent duct fire sleeves to prevent the spread of fire, where either rectangular or circular plastic plastic ducts penetrate fire compartment walls.
Black
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Galvanized
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Intumescent, Steel
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Circle, Rectangle
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180 mm, 140 mm
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110 mm, 204 mm, 220 mm, 75 mm, 90 mm, 100 mm, 125 mm, 205 mm, 110130 mm
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54 mm, 60 mm, 90 mm
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Specification
Galvanized mild steel shell.
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Grey-black solid laminate encased in circular/ rectangular mild steel shell.
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Additional properties
Circular, semi-rigid ducts.
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Insoluble in water and generally chemical inert.
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Expands greatly if heated above 200°C.
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Class F.
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140 mm.
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75 mm diameter.
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120 min.
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Sustainability data
United Kingdom
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Intumescent, Steel
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