WD_2021

73R SERIES

FANS

FAN BLADES

Listed in ascending order by blade diameter

Part No. 73R8050 73R8081 73R8100 73R8110 73R8320

Factory No. RD-5-3133-9P RD-5-13533-0P RD-5-7297-0P RD-4-3508-0P RD-5-10083-0P

Diameter

Bore Diameter

Rotation*

Pitch

Material

6 8

1⁄4

CW CW CW CW

— 32° 28° 22° 18°

Plastic

5⁄16 5⁄16 5⁄16 5⁄16

Steel

10 10 10

Aluminum Aluminum Aluminum

CCW

* Rotation as viewed from discharge side. 6” Diameter 73R8050

10” Diameter 73R8100

8” Diameter 73R8081

RD-5-7297-0P

RD-5-13533-0P

RD-3133-9P

10” Diameter, 28˚ Pitch

8” Diameter

6” Diameter

& FANS

73R8110

RD-4-3508-0P

10” Diameter, 22˚ Pitch

BLOWER MOTORS

73R8320

RD-5-10083-0P

10” Diameter, 18˚ Pitch

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