Sukup Grain Drying and Aeration Fan
Airflow Charts


Axial Fans

Airflow for Sukup Axial Fans for Aeration Applications - CFM

Static Pressure - inches of water

Model

HP

0"

0.5"

1"

1.5"

2"

2.5"

3"

3.5"

4"

4.5"

12"

3/4

1900 1675 1290 815 550 325 100 0 0 0

12"

1

2308 1963 1460 876 595 305 0 0 0 0

14"

1.5

3132 2852 2526 2126 1511 1040 720 0 0 0

18"

2

5450 4850 4250 3600 2800 2000 1500 1050 0 0

18"

3

7000 6600 6150 5575 4850 3950 3100 2400 1900 1700

Certified* Airflow for Sukup Axial Fans for Drying Applications - CFM

Static Pressure - inches of water

Model

HP

0"

1"

2"

3"

4"

5"

6"

7"

8"

24" 5-7 12,800 11,750 10,300 8600 6250 3350 1900 600 0
24" 7-10 15,200 13,750 12,250 10,500 7600 3900 2100 400 0
28" 10-15 19,050 17,300 15,600 13,600 11,100 7350 4800 2800 700
*Sukup Manufacturing Co. certifies that these fan models have been tested by an independent testing laboratory.
*Sukup Manufacturing Company certifies that the designated fan sizes have been determined by an independent fan testing laboratory.

Airflow for 3500 RPM Centrifugal Fans - CFM

Static Pressure - inches of water

HP

0"

2"

4"

6"

8"

10"

12"

14"

16"

18"

20"

22"

3

3300 2800 2400 1950 1350 900 0 0 0 0 0 0

5

4450 4050 3550 3000 2350 1550 0 0 0 0 0 0

7.5

5050 4600 4250 3850 3400 2900 2350 1650 0 0 0 0

10

7300 6850 6350 5800 5400 4700 3950 2400 0 0 0 0

15

10,050 9500 8850 8050 7350 6350 4750 2650 0 0 0 0

20

10,800 10,350 9850 9300 8700 8150 7550 6850 6150 5200 4100 0

30

14,500 13,800 13,000 12,300 11,600 10,800 10,200 9400 8400 7800 6800 0

40

19,000 18,300 17,200 16,200 15,300 14,300 13,100 11,700 9500 9000 7800 0

50

22,400 21,200 20,100 19,300 18,500 17,750 16,500 15,050 14,175 12,950 11,500 0

60

24,000 23,300 22,600 21,500 20,800 19,500 18,800 17,750 17,000 16,000 15,400 14,500

Airflow for In-Line 3500 RPM Centrifugal Fans - CFM

Static Pressure - inches of water

Dia.

HP

0"

1"

2"

3"

4"

5"

6"

7"

8"

18"

1.5

2500 2240 1990 1735 1430 0 0 0 0

18"

4.5

4450 3970 3480 3060 2630 1890 1075 0 0

24"

5-7

6370 6100 5815 5480 5150 4935 4715 4375 3935

24"

10-15

7645 7240 6830 6540 6245 5835 5440 5170 4470

28"

10-15

9440 8850 8320 7850 7450 7110 6810 6540 6260

 

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