Roof Exhauster / Ventilator Belt Drive

Roof Exhauster / Ventilator Belt Drive

APPLICATION

Designed for smoke, heat and fume removal in situations requiring the motor and drive components to be located outside the airstream.

FEATURES AND BENEFITS

  • Utilizes Model B tube axial duct fan with cast aluminum spark- resistant propeller
  • Heavy gauge curb cap continuously welded to prevent water
  • Butterfly damper section, mill galvanized construction, with damper blades that open when fan is energized and close weathertight when unit is off. Dampers rotate in nylon bearings on a stainless steel axle.
  • Butterfly damper section removable as a complete unit for access to
  • Combination weather cover/belt
  • Motor and drive components located outside the
  • Fan suitable for use in dry environments up to 180˚F.

MODEL

A

B

C

D

F

HP

BRV-18

18”

24”

33” sq.

12”

20”

1/3-1 1/2

BRV-24

24”

30”

39” sq.

12”

24”

3/4-1

BRV-24

24”

30”

39” sq.

16”

24”

1 1/2-3

BRV-30

30”

36”

45” sq.

16”

26”

1-5

MODEL

A

B

C

D

F

HP

BRV-34

34”

40”

49” sq.

16”

29”

2-5

BRV-36

36”

42”

51” sq.

18”

30 1/2”

3-7 1/2

BRV-42

42”

48”

57” sq.

18”

33”

2-5

 

CAPACITY C.F.M.

Blade Dia.

Model

Prop

HP

RPM

Free Air

1/8″ SP

1/4″ SP

3/8″ SP

1/2″ SP

3/4″ SP

1″ SP

1-1/4″ SP

1-1/2″ SP

 

 

 

18″

BRV-18-1/3

CA235

1/3

1725

3375

3000

2600

2000

1400

BRV-18-1/2

CA235

1/2

1890

3850

3500

3100

2500

2000

BRV-18-3/4

CA107

3/4

1600

4100

3985

3440

3050

2500

BRV-18-1

CA107

1

1725

4600

4375

4080

3600

3000

2100

1550

BRV-18-1-1/2

CA107

1-1/2

1990

5350

5060

4830

4550

3950

3000

2500

 

 

 

24″

BRV-24-3/4

CA144

3/4

1600

6906

6510

5900

5440

4650

2750

BRV-24-1

CA144

1

1725

7425

7000

6350

5850

5000

3300

1775

BPRRV-24-1-1/2

CA196

1-1/2

1540

8200

7900

7650

7280

6850

5500

BRV-24-2

CA191

2

1600

9760

9114

8830

8460

8090

7000

4400

BRV-24-3

CA191

3

1725

10500

9800

9500

9100

8700

7800

5000

3600

 

 

 

30″

BRV-30-1

CA113

1

1298

9897

8970

7980

6050

4120

BPRRV-30-1-1/2

CA115

1-1/2

1035

11100

10600

9700

8600

7500

3500

BPRRV-30-2

CA115

2

1176

12100

11660

11000

10121

9322

6700

BRV-30-3

CA115

3

1350

13480

12982

12498

12042

11465

10380

9470

7500

BRV-30-5

CA115

5

1650

16440

15832

15242

14686

13982

12659

11550

9200

 

 

34″

BRV-34-2

CA190

2

1027

14657

13652

12590

11500

10000

8000

BRV-34-3

CA190

3

1175

17580

16750

15896

14600

14095

12000

9500

BRV-34-5

CA190

5

1416

20500

19800

19000

18325

17500

16000

14200

12250

 

 

36″

BPRRV-36-3

CA198

3

930

17500

16800

15900

14740

14100

12200

BPRRV-36-5

CA198

5

1100

20600

19950

19200

18500

17800

16020

14300

BPRRV-36-7-1/2

CA198

7-1/2

1250

22500

21900

21200

20750

20050

19008

17000

15200

 

 

42″

BPRRV-42-2

CA119

2

820

20700

18900

17002

14700

11400

4000

BPRRV-42-3

CA119

3

890

23700

22100

20200

18960

16970

9950

3600

BPRRV-42-5

CA199

5

850

26900

25600

24403

23450

22250

18400

13900

OPTIONAL ACCESSORIES

  • Weatherproof non-fused disconnect switches
  • Insulated roof curbs for flat or pitched roofs