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a detailed specification drawing. The files are in Adobe
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The 40x50x38mm dual-impeller, dual-motor fan is
engineered with redundancy to protect against fan failure and to
produce effective airflow performance against high system pressures.
As a result, the fan offers a 90% improvement in CFM and PQ curve
in comparison to a similar size single blade fan.
The fan consists of two independent motors and incorporates a 5-blade
fan and a 3-blade fan. The two blades spin in opposite directions
at approximately the same speed (10,500RPM).
PQ Curve is representitive of the High Speed Part Number