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®
 FAN-PEDIA                                                                                                  BASE TYPES
 Published by   AEROVENT.COM
 Aerovent                                                                                     Centrifugal Fans
 ©2017





























                                                                                                                              Spring
                                                                                                                            Isolators




 UNITARY BASE
                                                         ISOLATION BASE
 Also Known As:                     Spring Isolators or rubber in shear (RIS) Isolators
 - Channel base

                   Isolation  bases  provide  a  common  support  to  fan,  motor  and
 Unitary  bases  utilize  structural  channel  to  support  the  fan   drive including guards and utilize heavy duty structural channel.
 assembly and are designed for use without isolators.  Vibration isolation bases require spring or rubber-in-shear type
                   isolators  that  are  designed  to  limit  forces  transmitted  to  the
                   support  structure  of  an  operating  fan.  Flexible  connectors  at
                   inlet and outlet are also required.




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