Double Inlet Suction Centrifugal Fans DKF-2 Series

Double Inlet Suction Centrifugal Fans DKF-2 Series

When the user is in face of restrictions by some dimensions in applications, DKF series air-conditioning centrifugal fan can be made into duplex DKF-2 type, in which two sets of DKF fans are used with one main shaft used for driving and outside casing integrated into a whole part.
Product description

DKF-2 series duplex centrifugal fan
Ⅰ Features of fan

When the user is in face of restrictions by some dimensions in applications, DKF series air-conditioning centrifugal fan can be made into duplex DKF-2 type, in which two sets of DKF fans are used with one main shaft used for driving and outside casing integrated into a whole part. DKF series centrifugal fan can be referred to in terms of structure, purpose, installation, conditions for utilization and maintenance of the fan.


Ⅱ Performance of fan
The performance of DKF-2 duplex fan can be calculated with following formula by reference to operating points for operation of single DKF fan.
Flow: Qx2
Pressure: Px1
Power: Nx2.15
Rotation speed: nx1.05
Noise: LA+3dB(A)


Table of performance parameters of DKF-2 series duplex centrifugal fan

Machine No.

Rotation speed
(r/min)

Flow
(m³/h)

Total pressure
(pa)

Motor model
(kW)
Power (kW)

Noise
dB (A)


Machine No.

Rotation speed
(r/min)

Flow
(m³/h)

Total pressure
(pa)

Motor model
(kW)
Power (kW)

Noise
dB (A)

 4.5AS-2

900

16800-19400

680-720

YE2-132M2-6
5.5

71-74

 

4.5S-2

900

17800-19800

680-722

YE2-132M2-6
5.5

71-74

4.5AL-2

900

23000-26400

710-740

YE2-160M-6
7.5

73-74

 

4.5M-2

900

22000-25400

700-730

YE2-160M-6
7.5

75-79

4.5AL1-2

900

24000-31200

810-825

YE2-160L-6
11

77-80


4.5L-2

900

24000-34000

810-825

YE2-160L-6
11

77-80

5.0A-2

900

33300-37200

780-790

YE2-160L-6
11

80-82

 

5.6S-2

900

33800-40000

780-820

YE2-160L-6
11

80-82

6.0A-2

900

42000-52000

810-825

YE2-180L-6
15

84-87

 

5.6M-2

900

47800-54600

780-820

YE2-200L1-6
18.5

84-87


Table of outline dimension for installation of DKF-2 series duplex centrifugal fan

Model

A

A1

A2

B

B1

B2

A3

r

H

H1

H2

L1

L2

L3

L4

L

M

N

K

W

d

G

H3

4.5AS-2

440

470

500

240

270

300

480

30

613

313

276

500

550

500

625

1300

1485

340

92.5

654

42

15

63

4.5AL-2

500

530

560

240

270

300

540

30

613

313

276

500

550

500

625

1420

1605

340

92.5

654

42

15

63

4.5AL1-2

580

610

640

240

270

300

620

30

613

313

276

500

550

500

625

1580

1765

340

92.5

654

42

15

63

5.0A-2

620

650

680

300

330

360

660

40

700

366

322

515

635

615

750

1670

1885

350

107.5

785

48

20

63

6.0A-2

660

690

720

300

330

360

700

40

700

366

322

515

635

615

750

1750

1965

350

107.5

785

48

20

63

4.5S-2

430

460

490

430

460

490

460

30

675

347

310

493

613

570

690

1260

1445

340

92.5

722

42

15

63

4.5M-2

478

508

538

478

508

538

538

30

675

347

310

493

613

570

690

1356

1540

340

92.5

722

42

15

63

4.5L-2

550

580

610

478

508

538

580

30

675

347

310

493

613

570

690

1500

1685

340

92.5

722

42

15

63

5.6S-2

530

560

590

530

560

590

570

40

825

455

391

630

768

780

916

1490

1705

350

107.5

943

48

20

63

5.6M-2

630

660

690

630

660

690

670

40

825

455

391

630

768

780

916

1690

1905

350

107.5

943

48

20

63


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