High pressure industrial sickle roof fans are developed around an advanced, aerodynamically shaped sickle blade, for high efficiency, maximum performance, reliability and excellent speed control.

Size 200 to 250 cowl and roof mounting plates are moulded from fibreglass, 315 to 630 specially formulated polymeric materials, which are high impact resistant and provide a rigid profile against strong winds and resistance to UV light.

Units are suitable for flat or inclined roofs (max. angle 30°). Sickle Roof Fans are designed for either kerb or purlin box mounting. All sizes are fitted with inlet wire guards, giving protection to BS848 part 5. Outlet bird guards shall be available as optional accessories.

The Roof Fan range is available in nine models with extract performances ranging from 0.096m3/s up to 3.2m3/s, with pressure characteristics of up 200Pa.

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