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Fan Accessories
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This is a general listing of manufacturers producing Fan Accessories. The types of products or devices they produce are listed under the company name, in alphabetic order.
ebm/PAPST
{Impeller Manufacturer}
Globefan Technology Co.,
Ltd.
{Metal Fan Guard, Plastic Fan Finger Guard}
Kaparel
{Horizontal Rails / Connection Pin [CompactPCI and VMEbus]}
Mechatronics Inc.
{Metal Fan Guard, Plastic Fan Guard}
Orion Fans
{Metal/Wire Mesh Fan Guard-Filter Kits}
Qualtek Electronics Corp.
{Aluminum Filters-Power Cords-Wire/Plastic Guards-Filter
Assemblies-Grills}
Sanyo Denki America, Inc.
{Fan Grills}
Sunon
{Fan Grill Manufacturer}
{Back to Fan Manufacturers Index}
FAN DATA
Fans are divided into either AC or DC type fans;
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Brushless DC fans are available at three nominal voltages: 12V, 24V and
48V. The speed and airflow of a typical DC fan is proportional to the
voltage supplied. The life expectancy of a DC fan is higher than that of
a comparable AC fan, independent of the type of bearing system employed,
since DC fans are up to five times as efficient. How ever DC fans have
much higher starting torque than AC fans. Both ball bearings and sintered sleeve bearings are employed in fans, each sufficiently lubricated for the intended service life. In general, ball bearings provide a higher life expectancy than normal sleeve bearings. Fans configurations are listed below: Axial fans are used where high air flow under low pressure is needed. Sub-classification according to impeller type; .....Propeller fans: Most economical and least efficient .....Tubeaxial fans: Consists of an impeller rotating within a cylindrical housing, more efficient than a Propeller alone .....Vaneaxial fans: A Tubeaxial fan with guide vanes making it more efficient .....Multi-Stage axial blowers: Two or more Vaneaxial fans mounted on a common shaft .....Centrifugal: Radial fans produce lower air flow than axial types, but under higher pressure. |
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