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Blower Performance Curves
5
Ventilation Solutions
ΓΈ 146mm 4-speed
0
.30
.60
.90
1.20
1.50
1.80
2.10
2.40
65 130 195 260 325 390 455 545
Spe
e
d
4Speed 4
Spe
e
d
4
S
p
e
e
d 3Speed 3S
p
e
e
d 3
S
p
eed 2Speed 2S
p
eed 2
S
p
e
ed
1
Speed 1
S
p
e
ed
1
Static pressure - inches of water
1
EH and MH Hoods
Centrifugal Blower
0
.25
.50
.75
1.00
1.25
1.50
1.75
2.00
50 100 150 200 250 300 350 400
S
p
e
e
d
4
Speed 4
S
p
e
e
d
4
S
pee
d
3
Speed 3S
pee
d
3
Sp
e
e
d
2Speed 2
S
p
e
e
d
2
S
p
e
e
d
1
Speed 1
S
p
e
e
d
1
2
Static pressure - inches of water
0
.25
.50
.75
1.00
1.25
1.50
1.75
2.00
50 100 150 200 250 300 350 400
Speed 4Speed 4
Speed 4
Speed 3Speed 3Speed 3
Sp
e
ed 2Speed 2Sp
e
ed 2
S
p
e
e
d
1Speed 1
S
p
e
e
d
1
3
Static pressure - inches of water
0
.30
.60
.90
1.20
1.50
1.80
2.10
2.40
65 130 195 260 325 390 455 545
Sp
e
e
d
4Speed 4
Sp
e
e
d
4
S
p
e
ed 3Speed 3S
p
e
ed 3
S
p
eed
2Speed 2S
p
eed
2
S
p
e
e
d 1
Speed 1
S
p
e
e
d 1
Static pressure - inches of water
1