The fans below are popular rectangular and box fans used in commercial ventilation systems

This range of rectangular centrifugal includes in line low height fans, Inline acoustically treated quiet fans, box centrifugal fans and High temperature Boxed centrifugal fans. All fans in this section are suitable for medium and high pressure systems and there is a choice of single or three phase.
The KVW/KVD range have forward curved centrifugal impellers and have swing out motor and impeller sections, this compact design offers low noise levels.
The KRW/KRD is a swing out rectangular centrifugal fan where the side with the motor and impeller swing out. The powerful backward curved impellers offer high pressures and high efficiency.
The GBW/GBD box centrifugal fan range offers high volume with high pressure development which makes this an ideal fan go commercial kitchen extract. The GB range also is supplied with a circular spigot inlet and a transformation to a circular spigot on the outlet.
The GBW/GBD T120 box centrifugal fan range offers the same benefits of high volume with high pressure development which makes this an ideal fan go commercial kitchen extract but also will handle air up to 120 degrees centigrade. The GB...T120 range also is supplied with a circular spigot inlet and a transformation to a circular spigot on the outlet.


Rectangular and box Centrifugal fans

KVW/KVD forward centrifugal range of single and three phase in line fans with rectangular flanged connection to rectangular ducting for duct mounting sizes from 300 x 150 to 1000 x 500 mm.. These fans can be used to connect directly to circular ducting using the circular spigot adaptors FSK (available as an accessory) sold in pairs. All fans in this range have swing out motor and impellers for easy cleaning and maintenance.
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KRW/KRD backward centrifugal range of single and three phase in line fans with rectangular flanged connection to rectangular ducting for duct mounting sizes from 300 x 150 to 1000 x 500 mm.. These fans can be used to connect directly to circular ducting using the circular spigot adaptors FSK (available as an accessory) sold in pairs. All fans in this range have swing out motor and impellers for easy cleaning and maintenance.
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SKRW/SKRD  range of single and three phase acoustically lined  in line fans with rectangular flanged connection to rectangular ducting for duct mounting sizes from 300 x 150 to 1000 x 500 mm.. These fans can be used to connect directly to circular ducting using the circular spigot adaptors FSK (available as an accessory) sold in pairs. All fans in this range have swing out motor and impellers for easy cleaning and maintenance.
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GBW/GBD single and three phase box centrifugal fans with spigot connections for duct mounting sizes from 315 to 710 mm diameter. with a choice straight through or side outlet. Very effective foe commercial kitchen systems
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GBW/GBD T120 single and three phase box centrifugal fans for continuous running at 120 degrees C, with spigot connections for duct mounting sizes from 315 to 710 mm diameter. with a side outlet only Very effective for commercial kitchen systems
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