Models & Specifications — Previous Page
NH Size 40
Outlet Size 15-7/8" x 20-7/8" I.D • Inlet Size 21" I.D. • Tip speed = RPM x 5.24
Wheel Diameter 20" • Outlet Area 2.30 Sq. Ft. Inside • Max. BHP = .90(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

3000

1304

1097

1.07

1298

1.81

1476

2.63

1638

3.54

1798

4.56

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

3250

1413

1152

1.24

1345

2.01

1513

2.86

1674

3.81

1821

4.83

1966

5.94

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

3500

1522

1209

1.42

1393

2.23

1557

3.12

1710

4.09

1852

5.14

1990

6.27

2123

7.48

*

*

*

*

*

*

*

*

*

*

*

*

*

*

3750

1630

1267

1.62

1445

2.48

1604

3.41

1747

4.40

1888

5.48

2017

6.62

2146

7.85

2270

9.15

*

*

*

*

*

*

*

*

*

*

*

*

4000

1739

1327

1.85

1499

2.75

1651

3.71

1790

4.74

1925

5.85

2053

7.03

2171

8.25

2294

9.59

2410

10.96

2521

12.40

*

*

*

*

*

*

*

*

4250

1848

1387

2.09

1553

3.04

1699

4.05

1837

5.12

1962

6.24

2089

7.46

2207

8.72

2318

10.03

2434

11.46

2544

12.92

2649

14.43

*

*

*

*

*

*

4500

1957

1449

2.37

1608

3.37

1750

4.41

1884

5.52

2007

6.68

2126

7.91

2243

9.21

2353

10.56

2457

11.95

2567

13.45

2672

15.00

2772

16.58

*

*

*

*

4750

2065

1510

2.67

1664

3.72

1804

4.81

1931

5.94

2053

7.15

2165

8.39

2280

9.73

2389

11.11

2493

12.55

2591

14.01

2695

15.59

2795

17.21

2892

18.89

2984

20.58

5000

2174

1572

3.00

1721

4.09

1857

5.22

1980

6.40

2100

7.65

2211

8.93

2317

10.27

2426

11.70

2529

13.17

2627

14.68

2720

16.22

2819

17.88

2915

19.58

3007

21.31

5250

2283

1635

3.36

1780

4.50

1912

5.68

2033

6.90

2148

8.18

2258

9.51

2361

10.87

2463

12.31

2565

13.82

2663

15.37

2756

16.95

2845

18.57

2938

20.28

3031

22.07

5500

2391

1698

3.75

1839

4.93

1967

6.16

2086

7.43

2196

8.74

2305

10.11

2407

11.52

2503

12.96

2602

14.49

2699

16.08

2792

17.71

2881

19.37

2966

21.05

3054

22.83

5750

2500

1762

4.17

1899

5.40

2023

6.68

2140

7.99

2247

9.34

2353

10.75

2454

12.20

2549

13.68

2640

15.21

2736

16.84

2828

18.50

2917

20.20

3002

21.93

3084

23.68

6000

2609

1825

4.62

1960

5.91

2079

7.23

2194

8.59

2300

9.98

2401

11.42

2501

12.91

2596

14.45

2686

16.01

2773

17.61

2865

19.32

2953

21.06

3038

22.83

3120

24.63

6250

2717

1889

5.11

2021

6.45

2138

7.82

2249

9.22

2354

10.66

2452

12.14

2549

13.67

2643

15.24

2732

16.84

2817

18.47

2902

20.17

2990

21.96

3074

23.76

3156

25.61

6500

2826

1954

5.65

2082

7.02

2197

8.44

2305

9.90

2408

11.38

2504

12.89

2597

14.45

2690

16.07

2779

17.72

2863

19.38

2945

21.11

3027

22.88

3111

24.73

3193

26.63

6750

2935

2018

6.21

2144

7.64

2256

9.10

2361

10.61

2462

12.13

2558

13.70

2648

15.29

2738

16.94

2826

18.63

2910

20.35

2991

22.10

3069

23.89

3148

25.73

3229

27.65

7000

3043

2083

6.81

2206

8.29

2316

9.81

2418

11.36

2517

12.92

2612

14.54

2701

16.18

2786

17.84

2873

19.57

2957

21.35

3037

23.13

3115

24.97

3189

26.80

3266

28.73

7250

3152

2148

7.46

2269

9.00

2377

10.56

2476

12.14

2573

13.77

2666

15.42

2754

17.10

2838

18.81

2921

20.56

3004

22.37

3084

24.22

3161

26.09

3235

27.97

3307

29.89

7500

3261

2214

8.15

2332

9.74

2437

11.34

2535

12.97

2629

14.65

2721

16.35

2808

18.08

2891

19.83

2970

21.61

3052

23.46

3131

25.34

3208

27.26

3281

29.17

3353

31.14

7750

3370

2279

8.88

2395

10.52

2498

12.17

2595

13.86

2686

15.59

2776

17.32

2862

19.09

2944

20.89

3023

22.72

3100

24.58

3179

26.51

3255

28.47

3328

30.44

399

32.44

8000

3478

2345

9.66

2458

11.34

2560

13.05

2655

14.79

2744

16.55

2832

18.35

2917

20.17

2998

22.01

3076

23.88

3151

25.78

3227

27.73

3302

29.71

3375

31.74

3446

33.79

8250

3587

2411

10.49

2522

12.23

2622

13.98

2715

15.76

2803

17.57

2888

19.42

2972

21.28

3052

23.16

3129

25.07

3203

27.01

3275

28.98

3350

31.02

3422

33.08

3493

35.19

8500

3696

2477

11.36

2585

13.14

2684

14.95

2775

16.77

2862

18.64

2944

20.52

3027

22.44

3107

24.38

3183

26.33

3256

28.30

3328

30.34

3398

32.37

3470

34.48

3540

36.62

8750

3804

2544

12.29

2649

14.11

2746

15.97

2836

17.84

2922

19.77

3003

21.70

3083

23.66

3161

25.62

3237

27.64

3310

29.67

3380

31.71

3449

33.81

3518

35.92

3588

38.12

9000

3913

2610

13.26

2714

15.15

2809

17.05

2898

18.98

2981

20.92

3062

22.92

3139

24.92

3217

26.95

3292

29.01

3364

31.08

3434

33.18

3501

35.28

3567

37.43

3636

39.66

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
— Previous Page
 
Duall
1550 Industrial Drive, Owosso, MI 48867
Phone: 989-725-8184 Fax: 989-725-8188
E-mail: info@dualldiv.com

Met-Pro Product Recovery/
Pollution Control Technologies Inc.
201 Millway Ave., Suite 28
Vaughan, Ontario, Canada L4K 5K8
Phone: 866-556-5564
Fax: 905-760-9060
Email: jlively@met-pro.com

© 2009 Duall