Qei-40 class ii, Performance data, Qei-40ii – Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual

Page 43: Specification data

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43

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

Shaded values show where Class I fan selections are more efficient than Class II.

QEI-40 Class II

CFM

OV

STATIC PRESSURE (inches wg)

0.5

1

2

3

4

5

6

7

8

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

18000

1077

481

2.48

540

4.06

649

7.91

754

12.4

853

17.3

20000

1197

523

3.03

575

4.70

675

8.71

772

13.5

866

18.6

953

24.1

22000

1317

566

3.68

613

5.45

705

9.61

794

14.5

880

20.0

966

25.7

1045

31.8

24000

1437

609

4.43

652

6.31

739

10.7

819

15.7

902

21.3

979

27.4

1058

33.7

1130

40.4

26000

1556

653

5.30

691

7.29

773

11.8

849

17.0

923

22.8

999

29.1

1071

35.7

1143

42.6

1210

49.8

28000

1676

698

6.29

733

8.40

808

13.1

881

18.4

950

24.4

1021

30.9

1089

37.8

1156

44.9

1223

52.3

30000

1796

743

7.41

776

9.65

846

14.6

915

20.1

981

26.2

1043

32.7

1111

39.8

1174

47.3

1236

55.0

32000

1916

788

8.67

820

11.0

884

16.2

949

21.8

1011

28.1

1073

34.9

1132

42.0

1195

49.7

34000

2035

833

10.1

863

12.6

923

17.9

984

23.7

1046

30.2

1104

37.1

1160

44.5

1217

52.2

36000

2155

879

11.7

907

14.3

963

19.8

1022

25.9

1080

32.5

1135

39.5

1190

47.1

1242

55.0

38000

2275

925

13.4

951

16.2

1003

21.9

1060

28.2

1114

34.9

1169

42.2

1221

49.8

40000

2395

971

15.3

996

18.2

1046

24.2

1099

30.7

1150

37.6

1203

45.0

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

350

100

82

73

69

69

68

58

49

42

72

350

100

85

76

73

74

71

61

52

46

75

80

79

70

67

67

64

55

46

38

68

80

83

75

72

72

68

58

50

42

73

60

77

68

64

66

63

54

46

38

67

60

83

74

70

71

68

57

50

43

72

50

75

67

63

65

63

54

46

38

66

50

82

74

68

70

68

57

50

43

72

500

100

87

84

78

77

77

75

60

54

81

500

100

85

84

81

81

78

75

62

54

83

80

83

80

75

74

73

65

56

49

76

80

85

83

80

80

75

68

60

51

81

60

80

77

72

73

72

64

56

50

75

60

85

82

77

78

75

67

59

52

79

50

81

77

72

72

72

63

55

50

75

50

85

82

76

77

74

66

59

53

78

700

100

85

93

86

85

84

85

73

64

90

700

100

88

91

90

90

86

84

74

65

92

80

82

90

84

83

80

75

67

60

85

80

85

89

87

88

82

77

69

61

88

60

80

87

80

80

78

74

67

61

82

60

85

86

84

85

80

75

68

62

85

50

84

88

80

79

77

72

66

62

82

50

87

88

84

84

79

74

67

62

85

1000

100

89

96

98

95

92

92

90

74

99

1000

100

92

95

98

99

94

93

91

76

101

80

85

93

95

92

88

84

79

70

94

80

89

92

96

98

92

88

81

73

98

60

85

90

92

89

86

82

77

71

91

60

91

91

93

94

89

85

79

73

95

50

87

89

90

88

85

81

77

72

90

50

94

93

94

94

88

84

78

74

94

1251

100

93

97

104 101

97

96

99

83

105

1251

100

97

99

104 105 100

97

99

85

107

80

89

92

99

99

94

90

87

78

100

80

94

95

101 104

97

94

89

80

104

60

90

91

95

95

91

88

84

78

97

60

97

97

98

100

94

91

86

79

101

50

93

93

95

94

90

88

84

79

96

50

99

99

100 100

94

90

85

80

100

Static Pr

essur

e (in. wg)

Static Pr

essur

e (Pa x 100)

Volume (cfm x 1000)

3

Volume (m /hr x 1000)

0

20

40

60

80

0

5

10

15

20

DO

NO

T

SE

LE

CT

T

O

T

H

E

LE

FT

O

F

TH

IS

S

Y

S

TE

M

C

U

R

VE

0

5

10

15

20

25

30

35

40

45

50

55

0

1

2

3

4

5

6

7

8

9

10

QEI-40II

RPM
BHP
% WOV
Density 0.075 lb/ft

3

Density 1.2 kg/m

3

554

698

879

1006

60% WOV

70% WOV

80% WOV

90% WOV

1192

5

10

20

30

1107

1251

50% WOV

40

50

60

Performance Data

Maximum Fan RPM

1251

Specification Data

Maximum Motor
Frame Size

364T

Minimum Motor
Starting hp

7

1

2

hp

5.5 kW

Wheel Diameter

49 in.

1245 mm

Approximate Weight
(Less Motor & Drives)

1900 lbs.

862 kg.

Maximum Bhp = (Fan RPM / 324)

3

Outlet Velocity (FPM) = CFM / 16.77
Tip Speed (FPM) = Fan RPM x 12.8
% WOV = (CFM x 100) / (Fan RPM x 42.4)
Imperial data —

Metric data

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