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BAE SWSI and DWDI Airfoil Fans – Featuring the<br />
E-Series Wheel<br />
This catalog features the new BAE airfoil wheel<br />
design. It includes both the SWSI (single width,<br />
single inlet) and the DWDI (double width, double<br />
inlet) designs. The newly designed airfoil blades offer<br />
higher efficiencies and better sound characteristics<br />
than our previous designs.<br />
Please discuss your particular application with<br />
the Twin City Fan & Blower representative for your<br />
area.<br />
Twin City Fan & Blower has established itself as<br />
a leader in the design and manufacture of quality<br />
air moving equipment and continues to advance by<br />
implementing a philosophy that stresses quality in all<br />
of its operations. Our products are known for their<br />
rugged construction and reliability of operation. Twin<br />
City Fan & Blower offers flexibility in design and construction<br />
of fans coupled with superior service before<br />
and after the sale.<br />
Contents<br />
Certification ....................... 2<br />
Introduction. ....................... 2<br />
Construction Features ................. 3<br />
Arrangements ....................... 4<br />
Optional Construction ................. 6<br />
Standard Configurations................. 7<br />
Accessories. ....................... 8<br />
Maximum RPM, Wheel Weights WR 2 ........ 12<br />
Material Specifications & Weights.......... 14<br />
Performance Data ................... 17<br />
BAV .......................... 17<br />
BAE SWSI ...................... 17<br />
BAE DWDI ...................... 28<br />
Dimensional Drawings ................. 36<br />
Typical Specifications. ................ 46<br />
Certification<br />
Twin City Fan & Blower certifies<br />
that the Airfoil SWSI and DWDI<br />
fans shown herein are licensed to<br />
bear the AMCA Seal. The ratings<br />
shown are based on tests and<br />
procedures performed in accordance<br />
with AMCA Publication<br />
211 and AMCA Publication 311<br />
and comply with the requirements<br />
of the AMCA Certified Ratings<br />
Program.<br />
BAV ratings are shown on pages 17 through 22.<br />
BAE SWSI ratings are shown on pages 17 through 27.<br />
BAE DWDI ratings are shown on pages 28 through 35.<br />
©2007 Twin City Fan Companies, Ltd. All rights reserved throughout the world.<br />
Bulletin illustrations cover the general appearance of Twin City Fan & Blower products at the time of publication<br />
and we reserve the right to make changes in design and construction at any time without notice.<br />
2<br />
Twin City Bulletin 370
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