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Fan Circulation Throw/Spread Example

Ventilation Systems

Dairy Circulation Systems







36” Apex Fan, 1 HP – 1 phase and 3 phase

Apex fans come with belt tighteners and cast aluminum props
Catalog No.Drive0.0" SP
CFM
CFM
Watt
kWh
AX361G3-24belt w/tensioner15,57011.91.31


Ventilation Fan Spread and Throw
Airflow = 15,500 cfm
ThrowFPMMPHSpread
at fan
10'
2,200
1,870
25.0
21.3
3'
5'
20'
30'
1,230
880
14.0
10.0
17'
29'
40'
50'
680
570
7.8
6.5
36'
41'
60'
70'
480
420
5.5
4.8
45'
48'

Recommended Spacing: 36' - 48'



48” Apex Fan - 2 HP – 1 phase, 1.5 HP – 3 phase

Apex fans come with belt tighteners and cast aluminum props
Catalog No.Drive0.0" SP
CFM
CFM
Watt
kWh
AX4815G3-24belt25,02017.01.47


Ventilation Fan Spread and Throw
Airflow = 25,020 cfm
ThrowFPMMPHSpread
at fan
10'
2,000
1,700
22.6
19.2
4'
7'
20'
30'
1,120
800
12.7
9.1
23'
38'
40'
50'
620
520
7.0
5.9
48'
54'
60'
70'
440
380
5.0
4.3
60'
64'

Recommended Spacing: 48' - 56'
WIRTH & FEDEWA
6210 S. Wright Rd.
Westphalia, MI 48894
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