These fans are amongst the most popular fans used in ventilation systems.

This range of axial flow and mixed flow fans are a cost effective and simple range to install offering single phase supply and spigot or flanged connections. The most popular duct sizes used in ventilation systems are 100 to 315mm diameter circular spiral ducting. The fans in this section have connection sizes to suit the common duct sizes of 100, 125, 150, 160, 200, 250 and 315 mm, plus some models have sizes ranging up to 710mm diameter

All fans in this section are suitable for medium pressure systems - the mixed flow fans are suitable for higher pressures. The plate and cased axial fans are a popular choice for a wide variety of applications. The VAR range of mixed flow fans, develop high pressures in a compact in line fan. These fans are a popular choice for commercial kitchen applications. The in line Mixed flow fans (MV) offering easy maintenance, as the fan section is easily removable. The in-line mixed flow fans also develop a high pressure and are often smaller than a centrifugal of a similar performance. The various models have been developed to suit various applications. .

Axial flow fans

HQW & HQD single and three phase plate fans designed to be wall or ceiling mounted and not normally connected to ducting, with sizes from 200 to 710 mm diameter. 
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HRFW & HRFD single and three phase flanged long cased fans suitable for duct mounting with sizes from 200 to 710 mm diameter.
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Mixed flow fans

VARW/VARD single and three phase mixed flow in line fans flanged long cased fans suitable for duct mounting with sizes from 225 to 5000 mm diameter. High pressure fans suitable for kitchen extract and many other applications
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MV single phase in line fans with spigot connections for duct mounting spigot connections for duct mounting sizes from 100 to 315 mm diameter.
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