10815 Commercial St. Richmond, IL 60071
Phone: 815.678.4516 Fax: 815.678.3611
E-mail: info@jan-air.com

  • Forward Curved
  • Forward Curved Heavy Duty
  • Backward Incline
  • Radial Blade
  • Turbo
  • Air Handling
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Jan-Air, Inc. Forward Curved Wheel Dimensions

Forward Curve Diagram
Wheel Dimensions and Figures Hub Dimensions
Max. Diameter (in.) Width of Blades Inside Discs
(Range of Values at 1/2" Increments)
Air Inlet Inside
Diameter (in.)
Number of Blades Hub Punch Style
A B C N H
5 1" to 3-1/2" 3-11/16 26 1
5-1/2 1" to 4" 4-1/8 28 1
6-1/4 1" to 4" 5 32 1 or 2
7 1" to 4" 5-1/2 36 1, 2, or 6
7-11/16 1" to 4-1/2" 6-1/4 40 1, 2, or 6
8-3/8 1" to 5-1/2" 7 44 1, 2, 3, or 6
9-3/16 1" to 5-1/2" 7-11/16 48 1, 2, 3, or 6
9-15/16 1" to 6" 8-3/8 52 1, 2, 3, or 6
10-5/8 1" to 6" 9 54 1, 2, 3, or 6
12-3/16 1" to 6" 10-5/8 64 2, 3, or 6


Jan-Air, Inc. Forward Curved Heavy Duty Wheel Dimensions

Forward Curve Diagram
Wheel Dimensions and Figures Hub Dimensions
Blade Tip Diameter (in.) Width of Blades Inside Discs
(Range of Values at 1/2" Increments)
Overall Diameter (in.) Air Inlet Inside Diameter(in.) Number of Blades Hub Punch Style
A B C D N H
8-7/8 1" to 4" 9 7-11/16 36 3
10-3/8 1" to 5" 10-5/8 8-3/8 40 3
11-3/16 1" to 6" 11-5/16 9-3/16 40 3
11-3/8 1" to 6" 11-3/4 9-3/16 40 3
12-3/16 1" to 6" 12-5/16 9-15/16 40 3
13-1/2 1" to 6-1/2" 13-7/8 11-3/4 48 3
14-1/8 1" to 7" 14-7/16 12-3/16 48 3
15 1" to 7-1/2" 15-3/8 13-1/16 48 3
16-1/2 1" to 8" 16-7/8 14-3/8 48 3
18-1/4 1" to 10" 18-5/8 15-7/8 48 3


Jan-Air, Inc. Backward Incline Wheel Dimensions

Forward Curve Diagram
Wheel Dimensions and Figures (in.) Hub Dimensions
Blade Tip Diameter Width of Blades Inside Discs Air Inlet Inside Diameter Flat on Front Ring Approx. Front Ring Radius Front Ring Height (±1/32) Extra Height (±1/32) Number of Blades Hub Punch Style
A B C D R E T N H
7-11/16 2-1/4, 2-3/4, and 3-1/8 5-23/32 19/64 5/16 7/8 1/2 14 1
8-3/8 2-1/4, 2-3/4, and 3-1/8 5-23/32 41/64 5/16 13/16 1/2 12 1 or 2
9-3/16 2-1/4, 2-3/4, 3-1/8, and 3-3/4 6-11/32 39/64 3/8 7/8 1/2 15 2 or 3
9-15/16 2-1/4, 2-3/4, 3-1/8, and 3-3/4 6-11/16 13/16 3/8 1-3/32 1/2 12 2 or 3
10-5/8 2-1/4, 2-3/4, 3-1/8, 3-3/4, 4-1/2, 5, and 5-1/2 7-11/32 53/64 3/8 1 1/2 15 2 or 3
11-7/16 2-1/4, 2-3/4, 3-1/8, 3-3/4, 4-1/2, 5, and 5-1/2 8-5/8 5/8 7/16 1-1/8 1/2 15 2 or 3
12-3/16 2-1/4, 2-3/4, 3-1/8, 3-3/4, 4-1/2, 5, and 5-1/2 8-5/8 7/8 7/16 1-1/8 1/2 14 2 or 3
13-1/2 2-1/4, 2-3/4, 3-1/8, 3-3/4, 4-1/2, 5, and 5-1/2 9-1/4 1-1/8 1/2 1-3/16 1/2 15 3
15 2-1/4, 2-3/4, 3-1/8, 3-3/4, 4-1/2, 5, and 5-1/2 10-5/16 1-7/32 1/2 1-5/16 1/2 16 3


Jan-Air, Inc. Radial Blade Wheel Dimensions

Forward Curve Diagram
Wheel Dimensions and Figures Hub Dimensions
Blade Tip Diameter (in.) Width of Blades Inside Discs
(Range of Values at 1/2" Increments)
Air Inlet Inside Diameter(in.) Number of Blades Hub Punch Style
A B C N H
6-1/4 1-5/8" and 2" 4-1/2 6 1
7-11/16 1-5/8" and 2" 4-1/8 6 1
8-3/8 1-5/8", 2", 2-1/2" 4-3/4 6 1
9-3/16 1-5/8", 2" to 3" 5-1/2 8 2
9-15/16 1-5/8", 2" to 3" 6-1/4 8 2
10-5/8 1-5/8", 2" to 3" 7 12 2
12-3/16 1-5/8", 2" to 4-1/2" 8-3/8 12 3
13-1/2 1-5/8", 2" to 5" 9-15/16 12 3
15 1-5/8", 2" to 5-1/2" 11-1/2 12 3
15-1/2 1-5/8", 2" to 5-1/2" 11-3/4 12 3
16-1/2 1-5/8", 2" to 5-1/2" 13 12 3
18 1-5/8", 2" to 6" 13 15 3
19-3/8 1-5/8", 2" to 6" 14-3/8 15 3
21-3/8 1-5/8", 2" to 6" 16-3/8 15 3


Jan-Air, Inc. Turbo Wheel Dimensions

Forward Curve Diagram
Wheel Dimensions and Figures Hub Dimensions
Max. Diameter (in.) Width of Blades Inside Discs
Air Inlet Inside
Diameter (in.)
Number of Blades Hub Punch Style
A B C N H
10-5/8 Min: 1", Max: Dimension A Varies Varies Any
12-1/4 Min: 1", Max: Dimension A Varies Varies Any
14 Min: 1", Max: Dimension A Varies Varies Any
14-9/16 Min: 1", Max: Dimension A Varies Varies Any
15 Min: 1", Max: Dimension A Varies Varies Any
15-1/2 Min: 1", Max: Dimension A Varies Varies Any
15-3/4 Min: 1", Max: Dimension A Varies Varies Any
16-1/2 Min: 1", Max: Dimension A Varies Varies Any
16-5/8 Min: 1", Max: Dimension A Varies Varies Any
17 Min: 1", Max: Dimension A Varies Varies Any
17-1/2 Min: 1", Max: Dimension A Varies Varies Any
19 Min: 1", Max: Dimension A Varies Varies Any
19-1/4 Min: 1", Max: Dimension A Varies Varies Any
19-1/2 Min: 1", Max: Dimension A Varies Varies Any
19-5/8 Min: 1", Max: Dimension A Varies Varies Any
19-7/8 Min: 1", Max: Dimension A Varies Varies Any
21 Min: 1", Max: Dimension A Varies Varies Any
21-1/2 Min: 1", Max: Dimension A Varies Varies Any
22 Min: 1", Max: Dimension A Varies Varies Any
23 Min: 1", Max: Dimension A Varies Varies Any
23-1/2 Min: 1", Max: Dimension A Varies Varies Any
25 Min: 1", Max: Dimension A Varies Varies Any
25-1/2 Min: 1", Max: Dimension A Varies Varies Any
26-1/2 Min: 1", Max: Dimension A Varies Varies Any
28 Min: 1", Max: Dimension A Varies Varies Any



Jan-Air Air Handling Wheel Dimensions

Forward Curve Diagram
Design 16 Air Handling Wheel   Design 26 Air Handling Wheel
Max. Diameter (in.) Diam. of Air Inlet (in.) Width of Wheel (in.) Width of Wheel Flat (in.) Number of Blades Hub Punch Style Max. Diameter (in.) Diam. of Air Inlet (in.) Width of Wheel (in.) Number of Blades Hub Punch Style
A B C D N H A B C N H
12-1/4 7-3/16 4-13/16 2-29/32 10 3   5-1/4 3 1-1/4 10 2
14 8-3/16 5-17/32 3-11/32 10 3 7 4 1-11/16 10 2
15-5/8 9-3/16 6-7/32 3-3/4 10 3 8-5/8 5 2-1/16 10 2
17-3/8 10-3/16 6-27/32 4-1/8 10 3 10-1/2 6 2-1/2 10 2
19-1/8 11-3/16 7-9/16 4-9/16 10 3 12-1/4 7 2-29/32 10 3
20-7/8 12-3/16 8-9/32 5 10 3 14 8 3-11/32 10 3
22-5/8 13-3/16 8-29/32 5-13/32 10 3 15-5/8 9 3-3/4 10 3
24-3/8 14-3/16 9-5/8 5-13/16 10 3 17-3/8 10 4-1/8 10 3
26-1/8 15-3/16 10-11/32 6-1/4 10 3 19-1/8 11 4-9/16 10 3
29-5/8 17-1/4 11-11/16 7-1/16 10 3 20-7/8 12 5 10 3
33 19-1/4 13-1/16 7-7/8 10 3 22-5/8 13 5-13/32 10 3
36-1/2 21-1/4 14-1/2 8-23/32 10 3 24-3/8 14 5-13/16 10 3
  26-1/8 15 6-1/4 10 3
27-7/8 16 6-21/32 10 3
29-5/8 17 7-1/16 10 3
33 18 7-7/8 10 3