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FAN-PEDIA SPARK RESISTANT

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Twin City Fan & Blower CONSTRUCTION
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AXIAL FANS

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AMCA Type A AMCA Type B & C

Typical Non Ferrous Materials
NON-FERROUS CONSTRUCTION -Aluminum NON-FERROUS CONSTRUCTION
- HOUSINGS -Aluminum/Nickel/Bronze 1 - PROPELLER/IMPELLER (Type B)
- PROPELLER/IMPELLER -Monel 2 - RUB PLATE (Type C)
- FASTENERS -Copper (FOR NON FERROUS PROPS, USE TYPE B)
- SLEEVE -Brass
-Bronze STEEL CONSTRUCTION
- HOUSINGS
OTHER CONSTRUCTION - FASTENERS
- STAINLESS STEEL SHAFT Construction varies by model.
- MILD STEEL MOTOR MOUNT PLATE, - SHAFT
WEATHER COVER & BELT GUARD Note: Type B uses restrained bearings
(Slotted Steel Spring Pins or Bearing Stop Blocks)
Note: Type A uses restrained bearings NOTE: BEARINGS NOT ALLOWED IN
(Slotted Steel Spring Pins or Bearing Stop Blocks) AIRSTREAM FOR TYPE A, B, C
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