Qei-27 class i & qei-l, Performance data, Qei-27i – Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual
Page 34: Specification data
34
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-27 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
5700
755
459
0.35
541
0.63
690
1.32
6900
915
524
0.48
594
0.79
724
1.53
843
2.40
950
3.36
8100
1074
593
0.65
651
0.98
767
1.79
875
2.72
976
3.75
1070
4.85
9300
1233
664
0.87
716
1.24
819
2.10
916
3.08
1009
4.17
1097
5.34
1182
6.58
1260
7.88
10500
1392
737
1.14
783
1.54
875
2.46
964
3.51
1050
4.64
1131
5.87
1208
7.17
1287
8.55
1359
9.98
11700
1551
811
1.47
853
1.91
933
2.88
1017
3.99
1096
5.19
1172
6.46
1246
7.83
1314
9.26
1386
10.8
12900
1710
886
1.88
924
2.35
999
3.38
1073
4.54
1148
5.81
1218
7.14
1287
8.55
1355
10.0
1418
11.6
14100
1870
962
2.35
997
2.86
1065
3.96
1131
5.15
1202
6.50
1269
7.90
1332
9.36
1396
10.9
1459
12.5
15300
2029
1038
2.91
1070
3.46
1133
4.62
1196
5.88
1259
7.25
1322
8.74
1384
10.3
1442
11.9
1500
13.5
16500
2188
1114
3.55
1144
4.14
1203
5.37
1262
6.70
1318
8.10
1379
9.64
1436
11.3
1494
12.9
17700
2347
1191
4.29
1219
4.92
1275
6.23
1329
7.61
1383
9.08
1436
10.6
1492
12.3
18900
2506
1268
5.13
1294
5.80
1346
7.18
1397
8.62
1449
10.2
1497
11.8
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
400
100
70
71
64
59
61
58
52
38
65
400
100
70
70
65
67
62
60
55
44
68
80
65
68
62
58
57
58
52
40
64
80
69
68
63
65
59
61
57
45
67
60
65
67
62
59
57
58
52
42
63
60
69
69
63
64
59
61
57
45
67
50
67
68
61
58
57
58
53
42
64
50
68
68
62
64
59
61
56
45
66
550
100
73
72
70
65
65
67
54
45
71
550
100
78
73
71
71
67
67
56
46
73
80
70
70
67
63
61
61
54
44
67
80
75
71
68
69
65
65
57
47
71
60
69
69
64
61
60
60
55
44
66
60
74
70
67
67
65
64
57
47
70
50
74
70
64
61
60
60
54
44
66
50
73
71
66
66
64
64
56
46
70
750
100
84
83
75
73
70
76
62
54
79
750
100
85
82
77
79
74
75
64
55
81
80
82
80
73
70
69
66
60
53
74
80
85
80
75
76
72
68
62
53
78
60
79
77
71
68
67
64
59
52
72
60
83
79
74
75
71
67
61
53
76
50
79
78
71
67
66
63
59
52
71
50
83
79
74
73
71
66
61
52
75
1100
100
77
86
86
84
80
78
82
66
88
1100
100
85
89
86
89
84
81
82
66
90
80
73
84
83
80
77
74
70
63
83
80
81
86
82
86
81
77
72
63
86
60
75
84
79
76
75
72
67
64
80
60
84
87
81
83
78
75
69
63
84
50
79
82
82
76
74
71
66
64
80
50
87
88
83
82
78
74
68
64
84
1505
100
80
89
92
93
89
85
90
76
95
1505
100
88
91
93
97
93
89
89
79
99
80
78
87
88
90
86
83
79
72
91
80
86
89
90
94
90
87
83
73
95
60
81
90
88
86
83
80
77
72
89
60
91
89
88
91
87
84
81
72
92
50
85
89
89
86
82
80
76
73
88
50
93
92
90
92
87
83
80
72
93
Static Pr
essur
e (in. wg)
Static Pr
essur
e (Pa x 100)
Volume (cfm x 1000)
3
Volume (m /hr x 1000)
0
5
10
15
20
25
30
35
40
0
2
4
6
8
10
12
14
DO
N
OT
S
EL
EC
T
TO
T
H
E
LE
FT
O
F
TH
IS
S
Y
S
TE
M
C
U
R
VE
0
2
4
6
8
10
12
14
16
18
20
22
24
0
1
2
3
4
5
6
QEI-27I
RPM
BHP
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
568
716
902
1069
1224
50% WOV
60% WOV
70% WOV
80% WOV
90% WOV
1347
¾
3
5
7½
10
1½
15
1505
1280
Performance Data
Maximum
Fan RPM
QEI-L
1280
QEI
1505
Specification Data
Maximum
Motor
Frame Size
QEI-L
215T
QEI
256T
Minimum Motor
Starting hp
3/4 hp
.55 kW
Wheel Diameter
33 in.
838 mm
Approximate Weight
(Less Motor & Drives)
QEI-L 470 lbs.
214 kg.
QEI
540 lbs.
245 kg.
Maximum Bhp = (Fan RPM / 626)
3
Outlet Velocity (FPM) = CFM / 7.54
Tip Speed (FPM) = Fan RPM x 8.64
% WOV = (CFM x 100) / (Fan RPM x 15.2)
Imperial data —
Metric data