Series 1000 Double Width Double Inlet (DWDI) fans are used primarily in air handling units or in plenum chambers where the connection of the inlet duct directly to the fan is not a requirement. A similar size DWDI fan will produce approximately double the volume at the same static pressure as an SWSI fan.
This is an important advantage when space considerations limit the available height but allow ample floor space.
These fans share the identical impeller and case profile with that of the SWSI fans. They therefore have the same absorbed power, efficiency and non-overloading characteristics.
A range of optional extras, including various types of metal, such as stainless steel, are available. These fans can be made suitable for smoke spill applications, subject to meeting appropriate standards.
DWDI fans can be supplied in various arrangements, as noted on our fan handing sheet, and can be constructed to operate at temperatures up to 400°C.
DIMENSIONS: SERIES 1000 DWDI FANS
ARRANGEMENT 3
This data refers to the dimensions of the Series 1000 DWD1 fans – Arrangement 3.
The handing illustrated is anti-clockwise, discharge angle 0°. Other positions shown on
the fan handing page can be determined by rotating the case about the shaft centre.
Certified drawings and performance and dimensional data for larger sizes are
available on request.
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