Direct Drtive Roof Ventilators

OPTIONS:
Protective Coating
Prefabricated Curbs
Disconnect Switch

• Cast aluminum blades on most models.
• Totally enclosed and explosion proof motors:

Single Phase motors are field convertible 115v / 230v. Three Phase motors are field convertible 230v / 460v. Motors set at factory to lower voltage unless a request is made at time of order to set to the higher voltage. - Explosion proof motors are Class 1, Div 1 Group D and Class 2, Div 1, Groups F & G
• Wind band is 18 gauge galvanzied steel.
• Rubber shim under dampers for better seal.
• Rubber damper stops for quiet operation.
• Size of roof opening to be 6" larger than fan size (B dimensions).
• Some models available with low R.P.M. motor for quieter operation.
• 1 Year Limited Warranty.

DIMENSIONS

SIZE

A

B

C

D

18"

28

24

33

16

24"

34

30

39

19

30"

40

36

45

22

36"

46

42

51

25

42"

52

48

57

27

48"

58

54

63

30

60"

70

66

75

42

1-PHASE
115/230V

3-PHASE
230/460v

C.F.M - STATIC PRESSURE

WT.

BLADE
SIZE

MODEL

HP

RPM

0"

1/8"

1/4"

1/2"

db's @ 10'

Lbs.

1 PH

3 PH

1 PH

3 PH

18"

UED18-1/4

UED18-1/4-3

1/4

1140

2570

2263

1673

854

66

170

3928

3944

4194

4421

18"

UED18-1/3

UED18-1/3-3

1/3

1725

3375

3000

2600

1400

75

175

3634

3628

4199

4321

18"

UED18-1/2

UED18-1/2-3

1/2

1725

4133

3938

3724

3132

76

180

3733

3717

4305

4410

18"

UED18-1

UED18-1-3

1

1725

4600

4375

4080

3000

77

190

4161

4072

4743

4787

24"

UED24-1/4

UED24-1/4-3

1/4

1725

5200

4200

2820

75

240

4066

4083

4333

4560

24"

UED24-3/4

UED24-3/4-3

3/4

1140

6900

6450

6265

3300

76

260

4921

4721

5486

5442

24"

UED24-1

UED24-1-3

1

1725

7425

7000

6350

5000

83

280

4438

4360

5026

5081

24"

UED24-3-3

3

1725

10500

9800

9500

8700

85

295

4682

5564

30"

UED30-3/4

UED30-3/4-3

3/4

1140

10440

9750

8750

6000

79

310

5154

4815

5719

5681

30"

UED30-1-3

1

870

10800

10100

9100

6360

74

330

5597

30"

UED30-1 1/2

UED30-1 1/2-3

1 1/2

1140

10410

9686

8834

6420

81

325

7128

5276

6008

30"

UED30-2

UED30-2-3

2

1140

14000

13750

12900

10450

82

335

8593

5403

6185

30"

UED30-3-3

3

1725

16000

15350

14700

12900

89

335

4932

5819

36"

UED36-2

UED36-2-3

2

1140

17620

16500

15200

12300

84

430

9558

6402

7184

36"

UED36-3-3

3

1140

20500

19500

18500

15850

85

455

6790

8072

36"

UED36-5-3

5

1140

22600

21700

20500

19000

87

465

7245

8693

42"

UED42-2

UED42-2-3

2

1140

17964

17277

15326

12351

88

500

10207

7067

7844

42"

UED42-5-3

5

1140

28970

27960

26840

24200

89

500

7877

9320

48"

UED48-3-3

3

1140

28600

26500

24400

20000

92

550

8504

9364

48"

UED48-5-3

5

870

33000

31500

29750

25300

86

665

10152

48"

UED48-7 1/2-3

7 1/2

1140

37000

35100

32800

28000

94

740

10196

12038

48"

UED48-10-3

10

1140

41000

39200

38300

35400

95

875

10734

12693

60"

UED60-5-3

5

870

45200

41500

37000

26000

90

940

13414

60"

UED60-7 1/2-3

7 1/2

870

47000

45500

43600

38700

92

950

14351

60"

UED60-10-3

10

690

54000

51900

49000

43200

87

960

24264