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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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