Models & Specifications — Previous Page
NH Size 54
Outlet Size 21-1/2" x 28-1/8" I.D • Inlet Size 29" I.D. • Tip speed = RPM x 7.07
Wheel Diameter 27" • Outlet Area 4.20 Sq. Ft. Inside • Max. BHP = 3.96(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

6900

1643

842

2.15

978

3.38

1101

4.72

1211

6.15

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

7300

1738

875

2.40

1006

3.69

1125

3.33

1231

6.54

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

7700

1833

909

2.67

1034

4.02

1150

5.07

1255

6.97

1353

8.57

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

8100

1928

943

2.96

1062

4.37

1175

5.44

1279

7.41

1373

9.06

1468

10.81

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

8500

2024

977

3.27

1091

4.75

1202

5.84

1304

7.90

1397

9.60

1485

11.36

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

8900

2119

1012

3.61

1121

5.15

1229

6.27

1328

8.38

1421

10.15

1506

11.96

1592

13.86

*

*

*

*

*

*

*

*

*

*

*

*

*

*

9300

2214

1047

3.98

1154

5.58

1257

6.73

1353

8.90

1445

10.72

1530

12.60

1610

14.53

1693

16.55

*

*

*

*

*

*

*

*

*

*

*

*

9700

2310

1083

4.38

1187

6.04

1285

7.22

1380

9.48

1470

11.34

1554

13.26

1632

15.24

1710

17.28

*

*

*

*

*

*

*

*

*

*

*

*

10100

2405

1120

4.81

1220

6.51

1314

7.73

1407

10.08

1495

11.98

1578

13.95

1655

15.96

1728

18.04

1806

20.23

*

*

*

*

*

*

*

*

*

*

10500

2500

1157

5.27

1253

7.02

1343

8.29

1435

10.72

1520

12.64

1602

14.65

1679

16.73

1752

18.88

1823

21.06

1897

23.35

*

*

*

*

*

*

*

*

10900

2595

1194

5.75

1287

7.57

1373

8.87

1463

11.39

1546

13.34

1627

15.41

1704

17.56

1776

19.74

1844

21.96

1915

24.30

1985

26.67

*

*

*

*

*

*

11300

2690

1232

6.29

1321

8.14

1406

9.47

1491

12.09

1574

14.11

1652

16.19

1728

18.38

1800

20.63

1868

22.92

1933

25.25

2002

27.67

*

*

*

*

*

*

11700

2786

1269

6.84

1355

8.75

1439

10.11

1520

12.84

1602

14.91

1677

17.00

1753

19.26

1800

21.55

1892

23.90

1957

26.30

2020

28.73

2087

31.26

*

*

*

*

12100

2881

1307

7.44

1389

9.38

1472

10.78

1549

13.61

1630

15.75

1705

17.91

1778

20.17

1824

22.53

1916

24.91

1980

27.34

2042

29.84

2104

32.36

2169

35.02

*

*

12500

2976

1345

8.07

1424

10.07

1505

11.48

1579

14.41

1658

16.61

1733

18.85

1803

21.11

1849

23.53

1941

25.99

2004

28.44

2066

31.01

2125

33.59

2186

36.21

2248

38.93

12900

3071

1383

8.74

1459

10.79

1538

12.21

1611

15.23

1686

17.50

1760

19.79

1830

22.12

1874

24.53

1965

27.05

2029

29.62

2090

32.21

2148

34.80

2205

37.49

2266

40.27

13300

3167

1421

9.44

1494

11.54

1572

13.79

1644

16.11

1715

18.46

1788

20.79

1857

23.17

1898

25.59

1990

28.19

2053

30.78

2114

33.44

2172

36.10

2229

38.85

2283

41.57

13700

3262

1460

10.21

1530

12.34

1606

14.65

1677

17.02

1744

19.45

1817

21.86

1885

24.28

1923

26.75

2015

29.36

2078

32.02

2138

34.70

2196

37.43

2252

40.19

2307

43.04

14100

3357

1498

10.99

1567

13.19

1640

15.54

1710

17.97

1775

20.45

1845

22.93

1913

25.43

1950

27.98

2040

30.55

2102

33.24

2163

36.04

2220

38.78

2276

41.62

2330

44.48

14500

3452

1537

11.84

1604

14.08

1674

16.47

1743

18.96

1808

21.51

1874

24.07

1941

26.61

1978

29.20

2066

31.81

2127

34.54

2187

37.36

2245

40.23

2301

43.13

2354

46.00

14900

3548

1575

12.71

1641

15.02

1708

17.43

1777

20.01

1841

22.62

1903

25.25

1970

27.87

2005

30.50

2094

33.19

2152

35.88

2212

38.77

2269

41.65

2325

44.62

2378

47.56

15300

3643

1614

13.64

1678

15.99

1743

18.46

1810

21.07

1873

23.72

1933

26.45

1998

29.13

2061

31.83

2121

34.55

2179

37.33

2237

40.21

2294

43.16

2349

46.15

2403

49.21

15700

3738

1653

14.62

1716

17.03

1778

19.54

1844

22.20

1906

24.90

1966

27.71

2027

30.47

2089

33.20

2149

36.00

2207

38.85

2262

41.69

2319

44.71

2374

47.77

2427

50.84

16100

3833

1692

15.64

1753

18.09

1813

20.65

1878

23.37

1940

26.16

1998

28.97

2056

31.85

2118

34.66

2177

37.49

2234

40.37

2289

43.28

2344

46.30

2399

49.42

2452

52.57

16500

3929

1731

16.71

1791

19.23

1848

21.81

1912

24.58

1973

27.43

2031

30.32

2086

33.24

2146

36.12

2205

39.02

2262

41.98

2317

44.96

2369

47.91

2424

51.12

2476

54.27

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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