Page 185 - FanPedia - By Twin City Fan and Blower

FAN-PEDIA SPECIAL CONSTRUCTION

Published by
Twin City Fan & Blower INSULATED FANS
©2017 TCF.COM

CENTRIFUGAL FANS
Steel/Double Wall Construction GENERAL INFORMATION
Purpose: Insulate fan surface from high temperature,
condensation or sound.

Overview
• Insulation thickness per customer request & TCF
guidelines
• TCF builds a second structural outer housing (outer
shell) around the inner housing
• Insulation type: Fiberglass or mineral wool unless
Recessed Cavity for the
Shaft Cooler/Shaft Seal otherwise specified.
• Structural fabricated angle between inner & outer
housings help to hold insulation in place
• Raised Access Door (usually raised 2” above
insulation)
• Housing Drain – Normally extends out inlet end of
housing
• Inlet & Outlet of fan extended if required
• Shaft Cooler housing imbedded into insulation cavity
• Housing Split (if specified) to have split bars protruding
out 2” past insulation for access to mounting holes
• Inlet funnel modified to extend through insulation

“Green” Section is Added To
Extend The Inlet Funnel

Shaft Seal Shaft Cooler Scalloped Angle Cooler Guard Insulation Extended Inlet Funnel

Access Door Lifting Lugs/Extended Frame Extended Drain Steel Wall Housing (Outer Shell) 93