Models & Specifications — Previous Page
NH Size 108
Outlet Size 43-1/8" x 56-1/2" I.D • Inlet Size 56" I.D. • Tip speed = RPM x 14.20
Wheel Diameter 54-1/4" • Outlet Area 16.92 Sq. Ft. Inside • Max. BHP = 135.0(RPM/1000)3

S.P.

1.00

2.00

3.00

4.00

5.00

6.00

7.00

8.00

9.00

10.00

11.00

12.00

13.00

14.00

CFM

OV

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

34000

2009

462

11.80

521

17.66

574

23.76

626

30.22

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

35400

2092

476

12.83

533

18.89

586

25.26

636

31.87

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

36800

2175

490

13.92

545

0.17

597

26.67

646

33.57

692

40.63

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

38200

2258

504

15.08

558

21.54

609

28.28

655

35.18

702

42.64

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

39600

2340

519

16.37

572

23.06

621

29.67

666

37.11

711

45.52

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

41000

2423

534

17.73

585

24.53

633

31.69

677

38.94

721

46.65

763

54.60

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

42400

2506

549

19.16

598

26.07

645

33.49

689

41.00

731

48.85

772

56.82

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

43800

2589

565

20.78

612

27.80

657

35.36

701

43.14

741

51.11

782

59.32

821

67.91

*

*

*

*

*

*

*

*

*

*

*

*

*

*

45200

2671

580

22.37

625

29.47

669

37.30

712

45.16

752

53.39

792

61.89

830

70.48

*

*

*

*

*

*

*

*

*

*

*

*

*

*

46600

2754

595

24.05

639

31.36

82

39.35

724

47.43

64

55.93

802

64.54

840

73.37

876

82.44

*

*

*

*

*

*

*

*

*

*

*

*

48000

2837

611

25.93

653

33.32

695

41.44

736

49.79

775

58.33

811

67.01

850

76.33

885

85.36

*

*

*

*

*

*

*

*

*

*

*

*

49400

2920

626

27.79

667

35.37

709

43.79

748

52.22

787

61.03

823

69.99

859

79.10

895

88.64

929

98.32

*

*

*

*

*

*

*

*

*

*

50800

3002

642

29.86

681

37.50

722

46.04

761

54.94

799

63.81

834

72.77

869

82.21

905

92.00

938

101.60

*

*

*

*

*

*

*

*

*

*

52200

3085

658

32.05

695

39.72

736

48.56

773

57.54

811

66.67

846

75.89

879

85.33

914

5.13

948

105.28

980

115.46

*

*

*

*

*

*

*

*

53600

3168

673

34.18

709

42.02

749

50.97

786

60.27

823

69.62

858

79.10

891

88.80

924

98.65

958

109.05

990

119.47

*

*

*

*

*

*

*

*

55000

3251

689

36.57

723

44.40

763

53.68

799

63.05

835

72.65

870

82.40

902

92.06

934

102.25

967

112.55

999

123.20

1030

134.13

*

*

*

*

*

*

56400

3333

705

39.07

738

47.02

776

56.26

812

65.90

847

75.77

882

85.79

914

95.70

945

106.00

977

116.49

1009

127.38

1039

138.16

1068

149.15

*

*

*

*

57800

3416

721

41.68

753

49.74

790

59.15

826

69.10

859

78.98

894

89.27

926

99.44

956

109.66

987

120.51

1018

131.26

1049

142.68

1078

153.90

*

*

*

*

59200

3499

736

44.23

769

52.77

804

62.14

839

72.14

872

82.47

906

92.85

938

103.28

968

113.75

997

124.52

1028

135.62

1058

146.87

1087

158.32

1115

169.92

*

*

60600

3582

752

47.07

784

55.71

818

65.23

853

75.54

885

85.88

918

96.52

949

106.88

980

117.95

1009

128.97

1038

140.07

1068

151.56

1097

163.26

1125

175.10

*

*

62000

3664

768

50.03

799

58.76

832

68.42

866

78.77

898

89.38

930

100.29

961

110.91

991

121.88

1020

133.14

1048

144.61

1078

156.35

1107

168.30

1134

179.91

1161

192.07

63400

3747

784

53.11

815

62.15

846

71.72

880

82.37

912

93.29

942

104.15

973

115.04

1003

126.27

1032

137.80

1059

149.15

1088

161.24

1116

172.97

1144

185.29

1171

197.69

64800

830

800

56.32

830

65.44

860

75.12

893

85.80

925

97.00

955

108.35

986

119.63

1015

130.77

1044

142.56

1071

154.17

1097

165.78

1126

178.20

1154

190.76

1180

202.90

66200

3913

816

59.66

846

69.08

874

78.63

907

89.62

938

100.80

968

112.43

998

123.98

1027

135.37

1055

147.02

1082

158.86

1109

171.31

1136

183.53

1163

195.84

1190

208.73

67600

3995

832

63.13

861

72.61

888

82.22

921

93.55

952

105.04

981

116.62

1010

128.42

1039

140.08

1067

151.99

1094

164.10

1120

176.34

1146

188.97

1173

201.52

1200

214.66

All capacities based on Standard Air (Density .075 #/cu. ft. — 70°F —29.92" Hg. Bar). Performance shown is for NH exhaust fans for installation type B-free inlet, ducted outlet.
Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.
Note: Uncolored area indicates Class II wheel; Purple area indicates Class III wheel; Green area indicates Class IV wheel. Asterisk (*) = Unstable Operating Range
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