900-BI Backward Inclined Blower

Welded backwardly inclined blades.
Corrosion resistant galvanized steel housing
Heavy, welded steel “L” angle frames with “T-bar” bearing supports for 4 way mounting.
Detachable inlet venturi.
Shafts have corrosion inhibiting coating and are keywayed both ends.
High quality cast iron pillow block bearings with grease fittings for lubrication.

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TYPICAL MAXIMUM CFM @ SP
MODEL	1” SP				2” SP				3” SP				4 SP				5 SP				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)	MAX HP
910-BI*	4191	4.78	0.52	4.19	3867	4.77	0.66	4.18	3553	4.75	0.78	4.17	3262	4.73	0.88	4.15	2963	4.74	0.95	4.16	7 1/2
911-BI	5951	8.51	-	-	5654	8.47	-	-	5328	8.39	-	-	4996	8.36	-	-	4690	8.36	-	-	10
912-BI	6861	6.96	0.57	6.01	6371	6.95	0.73	6.00	5908	7.00	0.86	6.04	5446	7.04	0.96	6.07	4959	6.96	1.05	6.01	15
914-BI*	10117	12.98	0.50	11.00	9581	13.12	0.62	11.10	9014	13.12	0.73	11.10	8503	13.22	0.83	11.20	7992	13.17	0.92	11.10	20
916-BI	13459	15.63	-	-	12775	15.80	-	-	12217	16.00	-	-	11709	16.20	-	-	10891	15.78	-	-	20
918-BI*	16475	18.03	-	-	15724	18.37	-	-	14968	18.47	-	-	14188	18.39	-	-	13246	18.25	-	-	25
920-BI*	20824	29.34	0.47	24.40	19903	29.08	0.60	24.20	19036	29.34	0.71	24.40	18137	29.64	0.80	24.60	17254	29.98	0.88	24.60	40
922-BI	26659	38.34	0.47	31.70	25550	38.49	0.59	31.80	24508	38.75	0.70	32.00	23443	39.28	0.79	32.50	22352	39.50	0.87	32.60	50
925-BI*	33712	44.00	0.52	36.30	32614	44.70	0.66	36.90	31325	44.88	0.78	37.00	29763	44.84	0.88	37.00	27904	44.24	0.97	36.50	60
928-BI	44023	60.32	0.52	49.50	42488	61.38	0.64	50.40	40667	61.44	0.75	50.40	38547	60.61	0.86	49.80	36205	59.39	0.95	48.80	75
932-BI	47359	49.65	-	-	45240	49.44	-	-	42786	49.33	-	-	40518	49.24	-	-	37283	48.85	-	-	75
936-BI	57822	55.81	0.61	45.90	54808	56.84	0.78	46.70	51110	55.82	0.93	45.90	46969	54.26	1.06	44.60	42384	53.49	1.13	44.00	100
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).
*Regular Stock Size

Dimensions

MODEL

OVERALL SIZE

OUTLET

WHEEL CENTER

MOUNTING

SHAFT DIM

WEIGHT (lbs) without motor

A

B

C

D

E

F

G

H

I

J

Dia K

Dia L

M

N

P

Q

910-BI*

18 3/8''

16 9/16''

16 1/16''

12 13/16''

12 5/8''

10 11/16''

7 11/16''

8 13/16''

13 7/8''

8 13/16''

7/16''

1''

3 11/16''

23 1/2''

1 5/16''

15 3/16''

64

911-BI

20 3/8''

18 3/8''

17 15/16''

14 3/16''

11 7/8''

8 7/16''

11''

15 3/8''

11''

1/2''

1 3/16''

2 7/16''

22 3/4''

1 7/16''

16 7/8''

100

912-BI

22 3/4''

20 3/8''

19 1/8''

15 15/16''

13 3/8''

9 5/16''

11''

17 1/16''

11''

1/2''

1 3/16''

2 11/16''

24 1/2''

1 1/2''

18 7/8''

110

914-BI*

25 15/16''

22 15/16''

22 3/16''

17 15/16''

17 13/16''

15 1/8''

10 1/4''

14''

19 7/16''

14''

7/16''

1 7/16''

4 7/8''

32''

1 5/16''

21 5/8''

117

916-BI

29''

25 5/8''

24 11/16''

19 15/16''

17''

11 7/16''

14''

21 9/16''

14''

1/2''

1 7/16''

2 3/8''

29 1/2''

1 1/2''

24 1/8''

160

918-BI*

32 3/4''

28 11/16''

27 1/4''

22 1/2''

22 3/8''

19 1/4''

12 5/16''

20 7/8''

24 1/4''

20 7/8''

1/2''

1 1/2''

3 9/16''

34 1/2''

1 1/2''

27 3/16''

174

920-BI*

36 3/8''

31 11/16''

30 9/16''

25 1/4''

25 1/16''

21 1/4''

13 13/16''

20 7/8''

27 1/16''

20 7/8''

1/2''

1 1/2''

4 13/16''

40 1/4''

2''

29 11/16''

227

922-BI

40 9/16''

35 3/16''

34 3/8''

28 1/8''

23 3/4''

15 3/8''

20 7/8''

30 1/8''

20 7/8''

1/2''

1 15/16''

3 15/16''

42 1/4''

2 1/8''

33''

400

925-BI*

45 1/2''

39 3/8''

31 1/2''

31 11/16''

31 1/2''

26 13/16''

16 15/16''

20 7/8''

33 1/4''

20 7/8''

1/2''

1 15/16''

4 3/8''

45 1/2''

2 1/4''

37 1/8''

365

928-BI

51 5/16''

44 1/8''

40 9/16''

35 3/8''

30 1/8''

19 1/16''

24 13/16''

37 5/16''

24 13/16''

3/4''

1 15/16''

4 7/16''

49 1/2''

2 13/16''

41 5/16''

597

932-BI

57 13/16''

49 11/16''

39 3/4''

34''

21 1/4''

27 15/16''

41 5/8''

27 15/16''

1/2''

1 15/16''

4''

53 1/2''

3''

46 11/16''

661

936-BI

64 7/8''

55 7/16''

50 1/4''

44 1/2''

38 1/4''

23 3/4''

31 1/2''

46 7/16''

31 1/2''

3/4''

2 7/16''

4 3/4''

59 3/4''

3 1/2''

51 15/16''

1061

*Regular Stock Size

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