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Details on QEI-L, QEI-I/II, and QEID models, and typical applications.
Details on housing, wheel, bearings, access doors, and model nomenclature.
Covers quality testing, coatings, and maintenance advantages.
Discusses sound levels, housing design, and duct connections.
Explains the hybrid wheel design and efficiency benefits.
Details fan classes, wheel width effects, and sound pressure.
Describes Sure-Aire™ monitoring and sound vault housing.
Benefits of the two-coat zinc-rich paint system.
Covers seismic, UL 705, smoke evacuation, and restaurant ratings.
Compares drive types and details efficiency savings.
Details belt drive mounting options for QEI models.
Describes roof upblast and spark resistant construction.
Groups accessories by function for clarity.
Visual breakdown of fan components and their connections.
Performance charts for QEID fans at different RPMs.
Provides dimensional and weight specifications for QEID and QEI fans.
Static pressure and sound performance tables for QEI-9 fans.
Overall specifications for QEI-L, QEI-I/II, and QEID fans.
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