Qei-18 class i & qei-l, Performance data, Qei-18i – Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual
Page 26: Specification data
26
Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not
include the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to 10
-12
watts, calculated per AMCA Standard 301. Values shown are for inlet L
Wi
, L
Wi
A and outlet L
Wo
,
L
Wo
A sound power levels for installation type B: Free inlet, Ducted outlet. Ratings for inlet sound do not include the effects of duct end correction. Ratings for outlet
sound include the effects of duct end correction. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. The AMCA Certified
Ratings Seal applies to L
Wi
A and L
Wo
A values only.
Performance Data
QEI-18 Class I & QEI-L
CFM
OV
STATIC PRESSURE (inches wg)
0.25
0.5
1
1.5
2
2.5
3
3.5
4
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
2600
753
697
0.17
814
0.30
1026
0.62
3100
898
788
0.23
889
0.37
1080
0.72
1250
1.12
1407
1.57
3600
1043
886
0.31
972
0.46
1142
0.84
1300
1.26
1445
1.73
1583
2.24
4100
1188
986
0.42
1062
0.58
1213
0.97
1358
1.43
1494
1.92
1622
2.45
1746
3.03
1861
3.63
4600
1333
1088
0.54
1156
0.72
1293
1.13
1425
1.61
1552
2.14
1672
2.70
1785
3.28
1899
3.91
2006
4.57
5100
1478
1192
0.69
1254
0.89
1376
1.32
1498
1.81
1616
2.37
1730
2.96
1839
3.58
1940
4.22
2044
4.91
5600
1623
1298
0.87
1355
1.09
1466
1.55
1578
2.06
1686
2.62
1793
3.25
1897
3.91
1997
4.58
2090
5.28
6100
1768
1405
1.08
1456
1.32
1558
1.81
1660
2.33
1763
2.92
1862
3.56
1959
4.25
2055
4.96
2148
5.69
6600
1913
1513
1.33
1558
1.58
1653
2.11
1748
2.66
1843
3.26
1936
3.91
2029
4.62
2118
5.37
2206
6.14
7100
2057
1620
1.62
1662
1.88
1752
2.44
1840
3.02
1926
3.63
2016
4.31
2100
5.02
2187
5.79
7600
2202
1729
1.94
1768
2.23
1851
2.82
1932
3.43
2015
4.07
2097
4.75
2180
5.49
8100
2347
1837
2.31
1875
2.61
1952
3.24
2028
3.88
2106
4.56
2182
5.25
Inlet Sound Power, L
Wi
[dB ref 10
-12
watts]
Outlet Sound Power, L
Wo
[dB ref 10
-12
watts]
RPM
% WOV
1
2
3
4
5
6
7
8
L
Wi
A
RPM
% WOV
1
2
3
4
5
6
7
8
L
Wo
A
550
100
65
68
68
64
57
52
49
41
65
550
100
74
74
67
66
63
55
53
45
68
80
61
67
68
64
56
52
48
40
65
80
72
73
68
68
62
56
56
50
68
60
60
67
68
64
56
52
48
39
65
60
69
72
67
67
62
56
56
51
68
50
62
67
67
64
56
51
48
39
64
50
69
72
67
67
62
56
57
52
68
800
100
66
70
69
64
59
61
49
41
67
800
100
74
75
68
67
64
62
54
43
70
80
62
66
68
62
58
56
49
40
65
80
71
73
66
65
63
58
54
43
68
60
61
64
66
60
55
55
49
40
63
60
72
70
66
63
62
57
54
43
66
50
64
64
66
59
55
54
48
40
63
50
72
70
65
63
61
57
54
43
66
1100
100
70
78
73
72
67
68
66
53
75
1100
100
77
84
75
74
72
68
65
51
77
80
64
78
73
69
64
62
57
51
71
80
73
80
70
71
69
64
59
50
74
60
66
73
70
67
62
61
57
52
69
60
75
77
69
69
67
63
58
50
72
50
69
73
70
66
61
61
56
52
69
50
77
77
70
69
66
62
58
51
71
1600
100
77
80
87
82
78
75
77
64
85
1600
100
82
83
84
84
83
77
75
64
87
80
76
75
80
78
74
72
67
61
80
80
78
83
80
80
80
75
70
64
83
60
78
77
83
75
71
70
66
62
79
60
82
82
77
78
77
74
69
64
81
50
79
78
82
76
70
69
66
62
78
50
86
84
78
78
76
73
69
64
81
2232
100
80
83
92
89
87
84
81
83
92
2232
100
88
87
91
93
92
87
82
82
95
80
74
78
87
85
85
81
76
71
89
80
83
83
85
89
90
85
79
72
93
60
80
79
82
82
82
78
74
70
86
60
88
89
83
87
88
82
77
71
91
50
83
82
83
82
81
77
74
71
85
50
93
92
85
86
87
81
76
72
90
Static Pr
essur
e (in. wg)
Static Pr
essur
e (Pa x 100)
Volume (cfm x 1000)
3
Volume (m /hr x 1000)
0
2
4
6
8
10
12
14
16
18
0
2
4
6
8
10
12
14
16
DO
NO
T
SE
LE
CT
T
O
T
H
E
LE
FT
O
F
TH
IS
S
Y
ST
EM
C
U
R
VE
0
1
2
3
4
5
6
7
8
9
10
11
0
1
2
3
4
5
6
7
QEI-18I
RPM
BHP
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
831
1089
1372
1729
2050
50% WOV
60% WOV
70% WOV
80% WOV
90% WOV
2232
¾
1½
3
1
/
3
5
7½
Performance Data
Maximum
Fan RPM
QEI-L
2232
QEI
2232
Specification Data
Maximum
Motor
Frame Size
QEI-L
215T
QEI
215T
Minimum Motor
Starting hp
1/3 hp
.25 kW
Wheel Diameter
22.5 in.
565 mm
Approximate Weight
(Less Motor & Drives)
QEI-L 190 lbs.
87 kg.
QEI
260 lbs.
118 kg.
Maximum Bhp = (Fan RPM / 1199)
3
Outlet Velocity (FPM) = CFM / 3.45
Tip Speed (FPM) = Fan RPM x 5.83
% WOV = (CFM x 100) / (Fan RPM x 4.50)
Imperial data —
Metric data