Page 201 - FanPedia - By Twin City Fan and Blower

FAN-PEDIA BASE TYPES

Published by
Twin City Fan & Blower Centrifugal Fans
©2017 TCF.COM

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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