Hooded Roof Fans

Hooded Roof Fans from air movement specialist Fanquip are manufactured in any of six common profile bases for fast and inexpensive installation often made by in-house personnel.

These fans can vastly improve exhaust systems and fresh air supplies during the hotter months of spring and summer without any major adjustments to buildings operated by manufacturing and engineering companies – especially from ageing premises or buildings not well designed for the current purpose.

By strategically placing these Fanquip units, a controlled draft is achieved in factories and assembly plants where everyday heat, dust or non-toxic fumes such as those from welding, forging, drilling, dipping, painting, etc, require solutions.

Operating a ‘downdraft’ discharge system allows the fast purging of dust affected internal environments in controlled fashion, with complete protection of the fan opening from the weather.

As Fanquip’s hooded roof fans are supplied in any of six standard profile bases (corrugated iron, Trimdek, Super Six, Spandek, Double Rib & Span 4, and Longspan) retrofitting is normally a straightforward procedure.

Using a profile base, installation costs and time are cut by as much as 60 percent and the unit can be installed by customers quite easily. No upstand is needed, while bird mesh protection is provided.

Should a roof profile not match any of the six profiles, a curb base is then used to accommodate the situation.

Made from fibreglass/alloy, Fanquip hooded roof fans are rated as heavy duty and can withstand the force of extreme weather conditions.

Hooded roof fans are strategically placed at a significant distance from the major opening of a warehouse, workshop, storage depot, processing plant or other large complex so as to create an air flow drawn in through that main opening.

What this achieves is an intake of fresh air through, say, a set of rolladoors, with bad air drawn by and expelled through the hooded roof fans.

Normally heat or pungent odours are the reason for installation, but if dust is the cause of problems, this can also be extracted as easily as air or gases.

Motor speeds range from 720rpm to 1440rpm, with voltages in either 1Ph 240V or 3Ph 415V.

Options include flameproof motors, belt drive and IP56 motor. If preferred, the product can be supplied without fan and motor to act as an exhaust relief/air intake.

Specifications for each of the roof profiles are as follows:

Corrugated iron profile: Fan diameters available are 400mm, 600mm, 800mm, 1000mm and 1200mm with a free air volume from 1484 litres/sec to 14000 litres/sec. Motor power ranges from 0.18kW to 2.20kW.

Trimdek: Fan diameters available are 400mm, 600mm, 800mm, 1000mm and 1200mm with a free air volume from 1484 litres/sec to 14000 litres/sec. Motor power ranges from 0.18kW to 2.20kW

Super Six: Fan diameters available are 400mm, 600mm and 800mm and have a free air volume 1484 litres/sec to 6800 litres/sec. Motor power ranges from 0.18kW to 1.10kW.

Spandek: Fan diameters available are 400mm, 600mm, 800mm, 1000mm and 1200mm. Free air volume ranges from 1484 litres/sec to 4300 litres/sec. Motor power ranges from 0.18kW to 2.20kW.

Double Rib & Span 4: Fan diameters in this profile group are 600mm, and are capable of a free air volume from 3019 litres/sec to 4300 litres/sec. Motor power ranges from 0.37kW to 1.10kW.

Longspan: Fan diameters 600mm and 1200mm, with a free air volume from 3019 litres/sec to 4300 litres/sec. Motor power options are 0.37kW, 1.10W, and 2.20kW.

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