SFB-25 - Belt Drive

4038

(1026) 1712

(445)

2614

(667)

5734

(1467)

3112

(800)

3118 (791)

3358 (854)

25 1912

(635) (495)

3158

(803)

4534

112 (1162)

(38)

1978 (505)

36 (914) 4112 (1054)

212

(64)

2578

(657)

 

 

 

 

 

 

 

 

 

 

 

 

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Wheel Diameter = 25 (635)

Shaft Diameter = 112 (38) Outlet Area = 4.21 ft2(0.391 m2) Mounting Hole Size = 5/8 (16) ^Approximate Unit Weight = 700 lb. (318 kg)

All dimensions in inches (millimeters)

For additional discharge positions see page 12

^Weight shown is largest cataloged Open Drip Proof motor

cfm

Maximum BHP at given RPM = (RPM/304)3

(Maximum KW at a given RPM = (RPM/335)3)

Maximum RPM = 750 and Minimum RPM = 190 Tip Speed (ft/min.) = RPM x 6.54

SFB-25

 

 

 

 

 

 

(Tip Speed (m/s) = RPM x 0.0332)

 

 

 

 

 

 

 

 

Maximum Motor Frame Size = 284T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

OV

 

 

 

 

Static Pressure in Inches wg

 

 

 

 

 

0.25

0.5

0.75

1

1.25

1.5

2

2.5

 

3

3.25

 

 

 

 

 

 

RPM

246

310

363

412

 

 

 

 

 

 

 

6000

1425

BHP

0.74

1.03

1.32

1.65

 

 

 

 

 

 

 

 

 

Sones

8.4

10.4

12.5

14.5

 

 

 

 

 

 

 

 

 

RPM

263

324

375

419

463

 

 

 

 

 

 

6950

1651

BHP

1.02

1.37

1.72

2.05

2.42

 

 

 

 

 

 

 

 

Sones

10.3

11.9

14.3

15.8

17.3

 

 

 

 

 

 

 

 

RPM

283

338

387

431

470

508

 

 

 

 

 

7900

1877

BHP

1.39

1.78

2.17

2.57

2.95

3.34

 

 

 

 

 

 

 

Sones

12.1

13.7

16.2

17.3

18.6

20

 

 

 

 

 

 

 

RPM

304

354

401

444

482

518

585

 

 

 

 

8850

2103

BHP

1.85

2.29

2.73

3.15

3.61

4.03

4.93

 

 

 

 

 

 

Sones

14.1

15.7

17.9

19.0

20

22

25

 

 

 

 

 

 

RPM

326

372

416

457

495

530

593

654

 

 

 

9800

2329

BHP

2.40

2.87

3.36

3.86

4.32

4.83

5.76

6.81

 

 

 

 

 

Sones

16.1

18.0

19.6

21

22

23

26

29

 

 

 

 

 

RPM

349

391

432

471

508

542

605

660

 

716

743

10750

2554

BHP

3.07

3.58

4.12

4.65

5.19

5.70

6.79

7.78

 

8.96

9.57

 

 

Sones

18.4

20

21

23

24

25

27

30

 

33

35

 

 

RPM

373

412

450

487

522

556

617

672

 

722

748

11700

2780

BHP

3.86

4.42

4.99

5.57

6.16

6.73

7.89

9.05

 

10.11

10.74

 

 

Sones

21

22

23

25

26

28

29

32

 

35

36

 

 

RPM

397

433

468

504

537

569

629

684

 

734

 

12650

3006

BHP

4.78

5.37

5.96

6.62

7.22

7.88

9.07

10.39

 

11.62

 

 

 

Sones

23

24

25

27

28

30

32

34

 

36

 

 

 

RPM

421

455

488

521

553

584

643

696

 

746

 

13600

3232

BHP

5.84

6.46

7.13

7.79

8.48

9.13

10.51

11.82

 

13.21

 

 

 

Sones

25

26

27

29

31

32

34

36

 

39

 

 

 

RPM

445

478

510

539

570

600

657

709

 

 

 

14550

3457

BHP

7.04

7.72

8.43

9.09

9.86

10.58

12.04

13.43

 

 

 

 

 

Sones

27

29

30

31

33

34

36

39

 

 

 

 

 

RPM

471

501

531

559

588

617

671

723

 

 

 

15500

3683

BHP

8.43

9.15

9.88

10.62

11.37

12.18

13.68

15.26

 

 

 

 

 

Sones

29

31

33

34

35

36

39

42

 

 

 

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 AMCA Certified Ratings Seal applies to air performance only.

23

Page 23
Image 23
Greenheck Fan SWB, SFD manual SFB-25 Belt Drive

SWB, SFD, SFB specifications

Greenheck Fan’s SFB, SFD, and SWB series represent advanced solutions in ventilation technology, designed to cater to a variety of commercial and industrial applications. Each series brings unique features and optimizations that enhance airflow efficiency and reliability, making them suitable for schools, warehouses, and manufacturing facilities.

The SFB series stands out with its durable construction and high-performance capabilities. These fans are engineered for direct drive applications, offering quieter operation and lower maintenance compared to belt-driven alternatives. The SFB series features efficient backward-inclined airfoil blades, which minimize energy consumption while maximizing airflow. Additionally, they are designed with an innovative airflow path that reduces turbulence and improves overall performance.

In contrast, the SFD series is intended for applications requiring high static pressure capabilities. It incorporates a special housing design that allows for increased efficiency in high-pressure environments. The advanced motor technology in the SFD series contributes to significant energy savings, while the unit's adjustable pitch blades ensure optimal performance across various operating conditions. These fans are particularly popular in commercial kitchen exhaust systems, where effective removal of smoke and odors is critical.

The SWB series, meanwhile, is specifically designed for sidewall applications, making it a versatile option for residential and light commercial use. The SWB fans feature a compact design that facilitates easy installation in tight spaces, and their weather-resistant construction ensures reliable performance even in challenging outdoor conditions. Additionally, these fans utilize energy-efficient motor designs that further contribute to their low operational costs.

All three series prioritize user-friendly operation and maintenance. They are equipped with standard access panels that provide easy interior access for cleaning and servicing, thereby extending the lifespan of the equipment. Greenheck also emphasizes noise reduction in its designs, employing sound-dampening technologies and vibration isolation features to ensure a quieter operation.

In conclusion, Greenheck Fan’s SFB, SFD, and SWB series represent a commitment to innovation in ventilation technology. Their distinctive characteristics, including energy efficiency, durability, and ease of maintenance, make them ideal choices in a wide array of applications, from industrial to residential settings. With ongoing advancements in technology, Greenheck continues to set benchmarks in the industry, ensuring effective air movement solutions that align with modern sustainability demands.