Commercial Centrifugal Scroll Fans, forward curved and backward curved impellers, different versions and sizes of double and single inlet fans available. Often classified by two numbers, eg. 10/10, 9/9 etc. This indicates the size of the scroll/squirrel cage impeller. ie. 10 inches long, 10 inches diameter. Closed motor or external rotor versions advised for dirty air. Also known as snail fans.
These need an enclosure to operate and are normally at one end of a system. For inline commercial fans, see our Centrifugal & MixVent Fans or industrial section. for larger units.
DA fans have forward curved centrifugal impellers, tablocked on both sides to two steel rings and to a double disk at the centre.
The blade is designed to minimize the loss caused by air turbulen...
DA fans have forward curved centrifugal impellers, tablocked on both sides to two steel rings and to a double disk at the centre.
The blade is designed to minimize the loss caused by air turbulen...
DA fans have forward curved centrifugal impellers, tablocked on both sides to two steel rings and to a double disk at the centre.
The blade is designed to minimize the loss caused by air turbulen...
DA 18 - 18 NT -with Feet
DA fans have forward curved centrifugal
impellers, tablocked on both sides to
two steel rings and to a double disk at
the centre.
The blade is designed to minimize the
...
Twin fan, no motor, V610004.
DA fans have forward curved centrifugal impellers, tablocked on both sides to two steel rings and to a double disk at the centre.
The blade is designed to minimize the...
DA fans have forward curved centrifugal impellers, tablocked on both sides to two steel rings and to a double disk at the centre.
The blade is designed to minimize the loss caused by air turbulen...