MOTOVARIO
Information
8
Information
Helical bevel geared motors
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In case of operation at input speeds exceeding 2.000 rpm, or ambient temperatures greater than 104°F, it is advisable to contact out technical department.
* Sea level (ft)
Thermal power Pth [HP]
Fc
Duty per hour of operation %
100
80
70
40
20
Ambient
temperature °F
13.4
1.15
1.21
1.32
1.55
2.07
24.1
1.07
1.12
1.23
1.44
1.93
33.5
1.00
1.05
1.15
1.35
1.80
40.2
0.93
0.98
1.07
1.26
1.67
53.6
0.83
0.87
0.95
1.12
1.49
57.7
0.75
0.79
0.86
1.01
1.35
67.1
0.67
0.70
0.77
0.90
1.21
Ventilation correction factor
Fv
Stagnant air (<19.5 ips)
0.75
Indoor installation with slight ventilation
1
Indoor installation with good ventilation (>55.1 ips)
1.4
Outdoor installation (>145.7 ips)
1.9
Altitude correction factor
Fa
0*
1
29527 in
0.95
59055 in
0.90
88582 in
0.85
118110 in
0.81