Page 174 - FanPedia - By Aerovent

®
FAN-PEDIA SPARK RESISTANT
Published by AEROVENT.COM
Aerovent CONSTRUCTION
©2017
RADIAL BLADED FANS

AMCA Type C

Type C offers a minimal level of spark resistance and only
requires that possible contact between stationary and rotating
components be reduced. Typically, this construction includes the
2
1 use of an aluminum inlet cone and an aluminum rub ring. The
aluminum inlet cone will be the first point of fan wheel contact
Typical Non Ferrous Materials
-Aluminum if there is a mechanical failure. The aluminum rub ring placed
-Aluminum/Nickel/Bronze at the opening of the housing where the shaft passes, protects
-Monel against contact of the steel fan shaft and steel fan housing.
-Copper
-Brass NON-FERROUS CONSTRUCTION
-Bronze 1 - INLET PLATE
2 - RUB PLATE
rub plate also know as
STRIKER PLATE, SPARK PLATE
3 - INNER DRIVE PLATE
4 - RUB RING

STEEL CONSTRUCTION
3
- HOUSINGS / FRAME
4 - WHEEL / IMPELLER
Construction varies by model. - FASTENERS
- PEDESTAL
-SHAFT

NOTE #1: BEARINGS NOT ALLOWED
IN AIRSTREAM

NOTE #2: IF FAN HAS A NON FERROUS WHEEL
AS STANDARD, USE TYPE B

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