BI Series Belt Drive Utility Blowers

Complete range of sizes from 10" to 36".
Full AMCA Class 1 Operation.
Non-overloading backward inclined (BI) welded wheels.
Aluminum wheel - (AMCA type B classification for spark resistant construction) - available as an option.
Discharge position can be field rotated to any of 8 discharge positions.
Counter clock wise rotation is standard. Clock wise available.
Outlet flanges on models BI-24 to BI-36.
Temperature Ratings - without a heat slinger 250º F with a heat slinger, steel wheel 400º F, aluminum wheel 300º F.
Motor access from 3 sides.
Sloped motor base for ease of motor installation.
Vented motor and drive compartment cover, with handles, for safety & weather protection.
16 gauge or heavier blower housing.
Heavy duty pillow block ball bearings.

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TYPICAL MAXIMUM CFM @ SP
MODEL	1” SP				2” SP				3” SP				4" SP				5" SP				Min HP	Max HP
MODEL	CFM	BHP	FEI	FEPact (kW)	CFM	BHP	FEI	FEPact (kW)	CFM	BHP	FEI	FEPact (kW)	CFM	BHP	FEI	FEPact (kW)	CFM	BHP	FEI	FEPact (kW)	Min HP	Max HP
BI-10	2300	1.92	0.71	1.78	2100	2.00	0.87	1.85	1800	1.88	1.01	1.74	1600	1.96	1.07	1.81	1300	1.95	1.07	1.80	1/2	2
BI-12*	3000	2.27	0.73	2.08	2900	2.69	0.86	2.43	2600	2.66	1.00	2.41	2400	2.79	1.09	2.52	1900	2.56	1.13	2.32	-	3
BI-13	3900	3.00	0.75	2.70	3600	3.12	0.92	2.80	3300	3.26	1.04	2.92	2900	3.20	1.13	2.86	2400	3.01	1.19	2.70	1/2	5
BI-15*	4800	3.68	0.71	3.27	4400	3.77	0.89	3.34	4000	3.90	1.02	3.45	3600	3.98	1.11	3.52	3000	3.77	1.16	3.34	-	5
BI-16	5700	4.26	0.74	3.76	5300	4.48	0.92	3.94	4900	4.70	1.04	4.12	4300	4.66	1.12	4.09	3500	4.38	1.16	3.86	3/4	7 1/2
BI-18	6200	3.88	0.82	3.44	5400	4.11	0.95	3.63	4700	4.18	1.06	3.69	3500	3.71	1.11	3.29	-	-	-	-	3/4	7 1/2
BI-20	8400	5.79	0.80	5.03	7900	5.96	1.02	5.18	7200	6.20	1.14	5.38	6400	6.29	1.22	5.45	5300	6.08	1.24	5.28	1	7 1/2
BI-22*	10000	6.51	0.81	5.63	9100	7.56	0.89	6.51	8200	7.80	1.01	6.70	6900	7.58	1.07	6.52	-	-	-	-	-	10
BI-24	11200	6.48	0.86	5.61	10100	6.85	1.05	5.92	8800	6.99	1.17	6.03	6700	6.43	1.19	5.57	-	-	-	-	1 1/2	15
BI-27	15000	10.03	0.80	8.55	14100	11.01	0.96	9.36	12800	11.39	1.08	9.67	11200	11.39	1.16	9.67	8300	9.97	1.15	8.50	1 1/2	15
BI-30-AW	18700	13.32	0.75	11.30	17400	14.07	0.93	11.90	16100	14.82	1.05	12.50	14200	14.79	1.13	12.50	11900	14.32	1.16	12.10	2	15
BI-33-AW	22600	16.07	0.75	13.50	21000	16.98	0.93	14.30	19400	17.86	1.05	15.00	17100	17.82	1.13	15.00	14300	17.22	1.15	14.50	-	20
BI-36-AW	26886	18.34	0.77	15.40	24964	19.58	0.94	16.40	22900	20.54	1.06	17.20	19836	20.20	1.14	16.90	15695	18.93	1.14	15.90	3	25
CFM values listed are summarized for convenience. For full performance data refer to our Delair program.
Power rating (BHP) does not include transmission losses. Performance certified is for installation type B: Free inlet, Ducted outlet. Performance ratings do not include the effect of appurtenances (accessories). *Special Order
For expanded FEI data click here.

Dimensions

OUTLET

SHAFT
DIA.

INLET

MODEL

A (STANDARD MODELS)

A
(BI-RM MODELS)

B

C

D

E

F

G

H

K (CABINET WIDTH)

L

N

O

P

S

T

V

WEIGHT (lbs) without motors

BI-10

26 3/4"

23 5/8"

8 3/8"

19 3/16"

11 5/16"

8 1/4"

27 3/4"
No Leg

15 5/6"

21 5/16"

13 1/4"

17 1/2"

3/4"

11"

17 1/4"

11 5/8"

11 1/4"

-

78

BI-12

33 3/16"

30 3/16"

9 15/16"

27 7/16"

13 1/16"

9 7/8"

33 5/16"

20 3/16"

29 1/8"

16 3/4"

20 9/16"

1"

12 7/16"

21 3/16"

11 1/2"

14 3/4"

13 1/16"

112

BI-13

34 1/2"

30 15/16"

10 3/4"

24 1/2"

14 3/8"

10 3/4"

34 1/4"

20 3/16"

29 1/8"

16 3/4"

22 7/16"

1"

14 3/8"

21 1/4"

11 1/2"

14 3/4"

14"

134

BI-15

35 15/16"

31 15/16"

11 3/4"

27 1/4"

15 13/16"

12 3/4"

36 1/4"

20 3/16"

29 1/8"

16 3/4"

24 7/8"

1"

15 7/8"

21 3/16"

11 1/2"

14 3/4"

16"

140

BI-16

39 7/16"

34 11/16"

12 11/16"

29 15/16"

17 1/2"

13 1/8"

36 5/8"

22"

30 15/16"

16 3/4"

26 15/16"

1 3/16"

17 3/8"

21 1/4"

11 1/2"

14 3/4"

16 1/2"

162

BI-18

41 5/16"

35 7/8"

13 13/16"

33 3/16"

19 3/8"

14 1/2"

38 1/4"

22"

30 15/16"

16 3/4"

29 9/16"

1 3/16"

19 3/8"

21 1/2"

11 1/2"

14 3/4"

17 7/8"

172

BI-20

49 3/16"

42 15/16"

14 15/16"

36 7/16"

21 3/16"

15 3/4"

46 3/8"

28"

40 15/16"

25 1/8"

32 3/16"

1 3/16"

21 1/4"

27 5/8"

14 9/16"

22 3/4"

19 3/4"

289

BI-22

51 9/16"

44 3/8"

16 3/8"

40 7/16"

23 9/16"

17 3/4"

48 7/16"

28"

40 15/16"

25 1/8"

35 9/16"

1 3/16"

23 5/8"

27 5/8"

14 9/16"

22 3/4"

21 13/16"

322

BI-24

58 3/16"

49 15/16"

17 15/16"

44 11/16"

26 1/8"

19 3/8"

51 5/16"

32 1/8"

46 11/16"

28 15/16"

39 1/8"

1 7/16"

26"

28 15/16"

18 5/16"

26 3/8"

23 3/8"

385

BI-27

60 11/16"

51 1/2"

19 1/2"

49"

28 11/16"

21 1/4"

53 1/8"

32 1/8"

46 11/16"

28 15/16"

42 13/16"

1 7/16"

28 5/8"

28 7/8"

18 5/16"

26 3/8"

25 1/4"

411

BI-30

65 15/16"

68 3/16"

24 7/8"

54 1/2"

31 7/8"

23 5/8"

58 5/8"

43 5/16"

65 5/16"

44 5/16"

50 15/16"

1 11/16"

31 3/4"

32"

17"

40"

29"

517

BI-33

68 3/16"

68 5/8"

25 3/8"

58 15/16"

34 7/8"

25 15/16"

60 15/16"

43 5/16"

65 5/16"

44 5/16"

53 7/8"

1 11/16"

35"

32"

17"

40"

31 5/16"

607

BI-36

70 7/8"

69"

25 1/2"

66 3/16"

38 9/16"

28 11/16"

63 11/16"

43 5/16"

65 5/16"

44 5/16"

56 15/16"

1 15/16"

38 3/4"

32"

17"

40"

34 1/16"

747

Accessories