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Fan / Blower Performance: as a
fan wheel or blower impeller rotates, the Impeller through centrifugal
force creates vacuum or low pressure at its inlet suction side. The
impeller creates a positive pressure, inducing a force of air on the
discharge of the blower. These basic principals are similar to a blower
or fan wheel, in which the air is conveyed from the suction to
discharge. Fan / ventilator types include: Propeller, Vaneaxial,
Tubeaxial, Ductaxial, Inline Centrifugal, Ring / panel fans.
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The
following accessories are avilable:
* Clean-out door - available as a quick opening latch type door that
swings open on hinges after cam levers have been turned, or flash
bolted type with closely spaced studs to keep door securely sealed with
Neoprene foam tape gasketing
* Shaft seals or Teflon shaft hole closures
* Outlet damper - single or multi blade, parallel blade or opposite
blade designs, manually operated or complete with mounted electric or
pneumatic actoator, for on / off or modulating air flow control
* Inlet screen
* Base rails with rubber-in-shear or spring type vibration isolators
* Inlet volume control with variable inlet vanes - external or nested
in the inlet cone, for manual or automatic air flow control
* Housing drain - tank flange furnished in scroll of fans with down
blast discharge, half couplings in housing drive side on all other
discharges
* Spark resistant and explosion proof construction
* Safety drive guards
* Extended grease tube fitting
* High temperature fan construction with a shaft cooler assembly and
high temperature paint
* Flanged inlet and outlet
* Stainless steel construction of SST 316, SST 304 or SST 347 stainless
alloy are available for corrosive applications