®
The Industrial Choice.
Model BSD53
Direct Drive
LOW PROFILE UPBLAST
PROPELLER ROOF VENTILATORS
Models BSD53 / BSB53
CATALOG 631 May 2013
Roof Ventilators
Models
BSD53 | BSB53
Aerovent’s line of Low Profile Upblast Propeller Roof
Ventilators provide general exhaust of commercial
and light industrial buildings while offering a pleasing
low profile design that minimizes extension above
the roof line. The upblast design discharges air and
contaminants up and away from the building. These
ventilators exhaust large volumes of air at low to
medium static pressures. Typical applications for
upblast propeller roof ventilators include warehouses,
shopping centers and manufacturing facilities.
A wide array of adjustable pitch, cast aluminum propellers are available to meet specific performances
and application requirements. The cost effective
design is available in both belt and direct drive configurations. Application flexibility, cost competitiveness
and robust design all combine to make Aerovent’s
BSD53 and BSB53 Low Profile Upblast Propeller
Roof Ventilators an industry leader.
Model BSD53
Models
Model BSD53
Upblast direct drive model BSD53 is available for
general-purpose exhaust. Direct drive fans are an
ideal choice for installations where service and maintenance are made difficult due to limited access. The
BSD53 can save on service costs incurred through
sheave, belt and bearing maintenance.
Model BSB53
Standard duty upblast belt driven model BSB53 is
available for use in clean air applications requiring
the adjustable performance of a belt drive fan. Motor
and drives are located below the fan, inside the roof
curb for access from inside the building.
Sizes
Direct Drive sizes: 14 to 48 inch wheel diameters
Belt driven sizes: 21 to 54 inch wheel diameters
Model BSB53
Performance
Airflow to 47,400 CFM
Static pressure to 1 inch w.g.
Models BSD53 and BSB53 are UL/
CUL 705 listed, for electrical, File No.
E158680.
2
Aerovent Catalog 631
Construction Features
Propellers
Cast aluminum blades and hubs. Propellers on belt
driven units shall be secured to the fan shaft with
a taperlock bushing. Propellers on direct drive units
shall be mounted directly on the motor shaft with a
taperlock bushing.
Butterfly Dampers
Blades constructed of steel as standard, unless the
outlet velocity of the fan is below the minimum
required to open steel damper blades, then aluminum
blades shall be provided. Butterfly dampers provide
weather protection when the fan is not in operation.
A rain channel provides for run off of precipitation.
Propeller
Butterfly Damper
Pillow Block Bearing
Curb Base
Windband
Constructed of heavy gauge galvanized steel with
bolted seams. Reinforcing flange provides rigidity,
strength and safe handling. The windband is removable with four bolts, allowing access to the fan
through the damper blades.
Bearings (BSB53 only)
Cast iron pillow block bearings selected for L-50
average life of 200,000 hours at maximum cataloged
operating speeds.
Curb Base
Heavy gauge galvanized or finish painted steel curb
bases are provided with prepunched mounting holes.
Curb base includes venturi inlet for efficient airflow.
Motor and Drive Frame
Support assemblies are constructed of heavy gauge
galvanized or finish painted steel.
Shaft (BSB53 only)
Shaft diameters are sized to have a first critical speed
of at least 125% of the fan’s maximum operating speed.
Motors
ODP, TEFC and Explosion proof, single and three
phase motors are carefully matched to the fan load.
Drives (BSB53 only)
Drive sheaves shall be of cast iron and supplied as
variable pitch as standard. Drives and belts shall be
rated for 150% of the required motor HP.
Motor & Drive Frame
Lifting Lugs
The windband brackets also double as lifting points
for the unit.
Mechanical Run Test & Final Vibration
Check
®
All fans are assembled for a mechanical run test and
final balance prior to shipment. Vibration readings are
taken on both fan bearings in the axial, horizontal
and vertical directions at the specified speed. Fans
are balanced to 0.15 in./sec. peak or less.
www.aerovent.com
3
Accessories
Inlet Safety Guard
A basket style guard shall be offered to accommodate motors and drives extending down into the roof
curb. Aerovent recommends the use of an inlet safety
screen on all non-ducted installations.
Screens
A zinc plated steel birdscreen protects the fan discharge from birds and other types of debris.
Birdscreen
Fusible Link Assembly
Allows the damper blades to open when the link
melts at 165°F. This accessory is optional on models
BSD53 and BSB53.
Magnetic Damper Latches
Used to hold butterfly dampers closed when fan is
not in operation. Damper blades must be steel with
magnetic damper latches.
Hinged Base
Allows access to propeller, motor and drives from the
roof. Only available through size 36.
Tie Down Brackets
Quantity of four brackets to allow for unit to be
anchored to the roof. Cables by others.
Inlet Safety
Guard
(Basket Type)
Extended Lube Lines
Allow for easy lubrication of bearings on belt driven
units without disassembly by extending polyethylene
lines from fan bearings to exterior of base.
Aluminum Construction
Stack cap assembly is constructed out of aluminum
in lieu of standard galvanized. Orifice panel is not
constructed of aluminum.
Roof Curbs and Extensions
Prefabricated roof curbs are available in heavy duty
galvanized steel or aluminum in heights of 8", 12"
or 18". Both types, canted and self-flashing, are
provided with 11/2" of insulation and feature continuously welded seams for added rigidity and moisture
protection.
Roof Curb
Extensions work to extend the height of the roof
curb. Standard curb extension is galvanized steel, 13"
high and has an 8" removable panel.
Disconnect Switches
®
A NEMA 3R, 4 or 7/9 disconnect switch is available for positive electrical shutoff of the fan and the
protection of service personnel. NEMA 1 disconnect
switches are not available on models BSB53 and
BSD53.
Special Coatings
A wide variety of special coatings are available for
both decorative or corrosion resistant requirements.
4
Aerovent Catalog 631
Engineering Data
Material Specifications - Direct Drive, BSD53
FAN
SIZE
14
16
18
21
24
30
36
42
48
WIND
BAND
20
20
20
20
20
20
20
20
20
Shipping Weights
FAN
SIZE
14
16
18
21
24
30
36
42
48
54
GAUGE OF MATERIAL
FAN
DRIVE
PROPELLERS
PANEL FRAME
16
14
16
14
16
14
16
14
DIE
16
12
CAST
ALUM.
16
12
16
12
14
10
14
10
* All gauges are minimums.
BSD53
BSB53
85
96
108
133
161
213
290
370
416
---
------148
175
242
321
438
519
594
* Weights are only approximate
and do not include accessories.
Consult Fan Selector Program
for actual shipping weights.
Material Specifications - Belt Driven, BSB53
FAN
SIZE
21
24
30
36
42
48
54
WIND
BAND
20
20
20
20
20
20
18
GAUGE OF MATERIAL
FAN
DRIVE
PROPELLERS
PANEL FRAME
16
14
16
14
16
12
DIE
16
12
CAST
ALUM.
14
12
14
12
14
10
SHAFT SIZE
(IN.)
1
1
1
1
13/16
17/16
17/16
* All gauges are minimums.
CFM Required to Open Damper Blades
DAMPER
MATERIAL
MIN.
STEEL
MAX.
MIN.
ALUM
MAX.
14
16
18
21
24
30
36
42
48
54
1955
2413
1380
2413
2516
3519
1776
3519
3179
4805
2244
4805
4284
6363
3024
6363
5627
8259
3972
8259
8704
16223
6144
16223
12444
24544
8784
24544
16949
29853
11964
29853
22032
41165
15552
41165
28305
52321
19980
52321
The terminal velocity of rain is approximately 2000 feet per minute. Selections below this point are not recommended if rain
entry into the building is a concern.
www.aerovent.com
5
PerformanceData
Direct Drive
BSD53 | Size 14
PROPELLER
14B105
BLADE MOTOR
ANGLE
HP
10
15
20
25
30
/4
1
/3
1
CFM / STATIC PRESSURE (IN. W.G.)
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
0.500
0.625
0.750
1750
1750
1750
1750
1750
0.10
0.14
0.19
0.25
0.31
13.5
15.1
16.3
17.1
17.9
943
1267
1561
1824
2047
859
1189
1481
1735
1941
840
1169
1459
1711
1911
821
1149
1438
1687
1881
781
1108
1394
1636
1816
733
1063
1347
1581
1743
682
1005
1290
1513
1655
614
910
1173
1381
1525
469
785
1030
1223
1325
378
296
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
0.500
0.625
0.750
1750
1750
1750
1750
1750
0.16
0.25
0.34
0.43
0.54
16.6
18.9
21
22
23
1384
1862
2294
2678
3001
1283
1767
2198
2571
2876
1259
1743
2173
2543
2842
1235
1719
2147
2514
2807
1188
1671
2096
2456
2734
1137
1621
2043
2394
2657
1079
1567
1986
2328
2570
990
1462
1881
2205
2417
848
1287
1663
1964
2166
667
1132
1506
1771
1924
558
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
0.500
0.625
0.750
1.000
1750
1750
1750
1750
1750
0.25
0.40
0.54
0.70
0.87
21
23
25
26
27
1937
2613
3220
3752
4200
1816
2501
3106
3628
4052
1787
2472
3076
3595
4013
1759
2443
3046
3561
3973
1703
2386
2985
3493
3891
1646
2329
2923
3423
3806
1584
2269
2859
3350
3715
1480
2169
2755
3229
3561
1310
1945
2514
2960
3262
1114
1760
2281
2700
2971
912
1564
2083
2465
2678
663
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
0.500
0.625
0.750
1.000
1750
1750
1750
1750
1750
0.44
0.69
0.99
1.28
1.56
26
29
31
33
35
3003
4064
5005
5822
6505
2851
3921
4861
5668
6323
2814
3885
4823
5627
6275
2776
3848
4785
5585
6226
2703
3774
4707
5500
6127
2630
3701
4629
5414
6024
2556
3627
4550
5325
5917
2435
3511
4427
5185
5747
2212
3277
4192
4917
5424
1995
2994
3875
4574
5059
1736
2757
3586
4248
4685
1267
1993
3046
3627
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
0.500
0.625
0.750
1.000
1750
1750
1750
1750
1750
0.69
1.13
1.57
2.06
2.60
36
35
34
35
37
4377
5941
7317
8496
9476
4189
5764
7136
8303
9239
4142
5718
7088
8251
9179
4094
5671
7040
8199
9120
4000
5577
6942
8094
8999
3907
5484
6844
7987
8877
3812
5389
6745
7879
8752
3665
5244
6593
7711
8558
3395
4979
6320
7406
8202
3111
4649
5987
7043
7801
2825
4312
5597
6628
7362
2120
3686
4906
5830
6355
1.000
BSD53 | Size16
PROPELLER
16B105
BLADE MOTOR
ANGLE
HP
10
15
20
25
30
/4
1
/3
1
/2
1
CFM / STATIC PRESSURE (IN. W.G.)
1.000
BSD53 | Size 18
PROPELLER
18B105
BLADE MOTOR
ANGLE
HP
10
15
20
25
30
/3
1
/2
1
/4
3
CFM / STATIC PRESSURE (IN. W.G.)
BSD53 | Size 21
PROPELLER
21B105
BLADE MOTOR
ANGLE
HP
10
15
20
25
30
/2
3
/4
1
11/2
2
1
CFM / STATIC PRESSURE (IN. W.G.)
BSD53 | Size 24
PROPELLER
24B105
BLADE MOTOR
ANGLE
HP
10
15
20
25
30
/4
1
1
1 /2
2
3
3
CFM / STATIC PRESSURE (IN. W.G.)
NOTES:
1. Performance certified is for installation type A: Free inlet, free outlet.
2. Performance ratings do not include the effects of appurtenances (accessories).
3. The sound ratings shown are loudness values in fan sone at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Standard 301.
Values are for installation Type A: Free inlet hemispherical sone levels.
6
Aerovent Catalog 631
BSD53 | Size 30
PROPELLER
30B105
BLADE MOTOR
ANGLE
HP
10
15
20
25
30
/2
3
/4
1
11/2
2
1
CFM / STATIC PRESSURE (IN. W.G.)
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
0.500
0.625
1160
1160
1160
1160
1160
0.41
0.66
0.96
1.31
1.73
24
25
25
25
27
5465
7451
9156
10599
11760
5011
6998
8694
10112
11243
4888
6879
8574
9986
11107
4761
6759
8452
9857
10968
4503
6510
8200
9591
10678
4238
6242
7931
9308
10360
3954
5949
7637
9006
10015
3472
5482
7154
8513
9532
2526
4637
6264
7521
8472
1519
3408
5191
6170
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
0.500
1160
1160
1160
1160
1160
0.96
1.47
2.12
2.96
3.97
36
39
40
42
44
8851
11955
14762
17258
19394
8323
11468
14268
16719
18783
8184
11335
14131
16573
18625
8043
11199
13993
16426
18464
7755
10921
13709
16124
18135
7451
10631
13414
15811
17794
7121
10325
13105
15485
17441
6582
9820
12610
14969
16856
5621
8847
11655
14017
15847
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
860
860
860
860
860
0.78
1.23
1.76
2.40
3.15
24
26
27
28
29
11354
14616
17387
19688
21470
10482
13711
16428
18643
20374
10256
13462
16162
18363
20086
10026
13207
15889
18077
19793
9540
12680
15330
17495
19182
9001
12131
14760
16900
18512
8418
11554
14168
16284
17849
7480
10671
13255
15318
16831
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
860
860
860
860
860
1.14
1.83
2.69
3.71
4.91
29
31
32
33
35
16339
21073
25038
28205
30613
15137
19834
23713
26810
29230
14823
19491
23352
26446
28860
14501
19138
22984
26077
28479
13814
18413
22235
25318
27666
13029
17660
21473
24500
26755
12187
16869
20682
23659
25875
0.750
1.000
0.625
0.750
1.000
4498
7844
10582
12873
14555
3296
6451
9324
11352
12511
0.500
0.625
0.750
1.000
5641
9130
11707
13595
14704
3496
6550
9626
0.375
0.500
0.625
0.750
1.000
10913
15684
19469
22429
24508
8459
13740
17476
20129
21303
5037
10909
14885
BSD53 | Size 36
PROPELLER
36B206
BLADE MOTOR
ANGLE
HP
10
15
20
25
30
1
11/2
2
3
5
PerformanceData
Direct Drive
CFM / STATIC PRESSURE (IN. W.G.)
2800
4592
BSD53 | Size 42
PROPELLER
42B304
BLADE MOTOR
ANGLE
HP
10
15
20
25
30
1
11/2
2
3
3
CFM / STATIC PRESSURE (IN. W.G.)
BSD53 | Size 48
PROPELLER
48B304
BLADE MOTOR
ANGLE
HP
10
15
20
25
30
11/2
2
3
5
5
CFM / STATIC PRESSURE (IN. W.G.)
NOTES:
1. Performance certified is for installation type A: Free inlet, free outlet.
2. Performance ratings do not include the effects of appurtenances (accessories).
3. The sound ratings shown are loudness values in fan sone at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Standard 301.
Values are for installation Type A: Free inlet hemispherical sone levels.
®
www.aerovent.com
7
PerformanceData
Belt Driven
BSB53 | Size 21
PROPELLER
21B105
BLADE MOTOR
ANGLE
HP
20
25
30
20
25
30
20
25
30
20
25
30
1
/4
1
/3
1
/2
3
/4
CFM / STATIC PRESSURE (IN. W.G.)
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
1142
1048
977
1252
1150
1072
1438
1320
1231
1646
1511
1409
0.27
0.27
0.27
0.36
0.36
0.36
0.54
0.54
0.54
0.80
0.82
0.82
16.6
15.2
13.9
18.9
17.6
17
24
22
21
29
26
25
3266
3487
3632
3581
3826
3985
4113
4392
4576
4708
5027
5237
3036
3212
3278
3373
3579
3669
3934
4180
4307
4554
4845
5006
2976
3136
3174
3318
3512
3580
3887
4123
4234
4513
4796
4945
2914
3054
3057
3263
3442
3484
3840
4066
4157
4472
4747
4881
2777
2854
2797
3148
3288
3265
3744
3945
3994
4389
4647
4749
2595
2623
2525
3017
3092
3025
3645
3813
3805
4306
4542
4607
2403
2418
2245
2846
2882
2776
3537
3656
3598
4221
4431
4450
2164
2029
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
1067
977
908
1226
1122
1043
1403
1285
1194
1544
1414
1314
0.36
0.36
0.36
0.54
0.54
0.55
0.83
0.83
0.82
1.07
1.10
1.10
15.6
13.7
12.7
19.3
17.2
15.8
24
21
19.9
28
25
23
4461
4743
4917
5126
5447
5648
5866
6239
6466
6455
6865
7115
4150
4373
4445
4858
5130
5244
5635
5966
6116
6248
6619
6798
4068
4271
4311
4788
5046
5137
5574
5894
6026
6193
6554
6718
3984
4162
4163
4718
4958
5023
5513
5820
5933
6137
6489
6636
3797
3902
3833
4571
4771
4771
5390
5669
5737
6026
6355
6466
3561
3605
3455
4412
4550
4486
5263
5506
5518
5914
6215
6284
3311
3322
3052
4223
4293
4174
5128
5325
5277
5798
6067
6084
2976
2840
0.500
0.625
0.750
2592
2602
2218
3336
3378
3279
4084
4239
4184
2963
2967
2642
3794
3840
3719
3460
3482
3232
3184
3119
0.500
0.625
0.750
3994
3892
3524
4802
4822
4443
4417
4311
1.000
BSB53 | Size 24
PROPELLER
24B105
BLADE MOTOR
ANGLE
HP
20
25
30
20
25
30
20
25
30
20
25
30
/3
1
/2
1
/4
3
1
CFM / STATIC PRESSURE (IN. W.G.)
3891
3918
3657
4896
5001
4882
5613
5817
5754
3400
4420
4452
4140
5236
5313
5130
NOTES:
1. Performance certified is for installation type A: Free inlet, free outlet.
2. Power rating (BHP) does not include transmission losses.
3. Performance ratings do not include the effects of appurtenances (accessories).
4. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Standard 301.
Values are for installation Type A: Free inlet hemispherical sone levels.
8
Aerovent Catalog 631
1.000
BSB53 | Size 30
PROPELLER
30B105
BLADE MOTOR
ANGLE
HP
20
25
30
20
25
30
20
25
30
20
25
30
20
25
30
20
25
30
/2
1
/4
3
1
11/2
2
3
CFM / STATIC PRESSURE (IN. W.G.)
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
964
869
793
1104
995
908
1215
1095
999
1390
1253
1143
1530
1379
1258
1752
1579
1440
0.55
0.55
0.55
0.83
0.83
0.83
1.10
1.10
1.10
1.65
1.65
1.65
2.20
2.20
2.20
3.29
3.30
3.30
19
16.2
14.6
23
20
17.9
27
23
21
34
29
26
40
33
30
50
42
38
7609
7940
8039
8714
9091
9205
9590
10005
10128
10971
11449
11588
12076
12600
12754
13829
14427
14599
7045
7273
7242
8227
8517
8526
9150
9487
9519
10590
11000
11063
11732
12194
12280
13531
14074
14189
6896
7090
7000
8100
8365
8340
9036
9352
9354
10491
10884
10924
11643
12090
12156
13454
13984
14083
6740
6896
6752
7971
8208
8137
8921
9214
9184
10392
10767
10782
11553
11984
12030
13376
13894
13975
6399
6473
6238
7700
7873
7704
8684
8925
8805
10191
10526
10486
11373
11770
11770
13219
13710
13755
6017
5986
5608
5393
4928
7406
7506
7271
8435
8614
8418
9984
10274
10157
11189
11550
11498
13062
13524
13529
7082
7102
6720
8166
8280
8025
9770
10009
9808
11001
11321
11197
12902
13333
13295
6558
6375
5575
7723
7724
7238
9427
9582
9317
10708
10957
10725
12658
13037
12916
6907
6560
5986
8785
8775
8146
10174
10293
9920
12233
12510
12232
8078
7765
7299
6236
9574
9529
8931
8602
7480
11770
11934
11556
11263
11300
10694
10149
9734
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
0.500
0.625
0.750
1.000
845
758
688
930
835
757
1064
955
866
1171
1051
953
1340
1204
1091
1589
1427
1294
0.83
0.82
0.83
1.09
1.10
1.10
1.64
1.65
1.65
2.20
2.20
2.20
3.27
3.30
3.30
5.46
5.51
5.51
23
20
18.6
27
24
21
35
30
26
41
35
31
54
44
40
76
63
55
10753
11278
11503
11835
12423
12656
13540
14208
14479
14902
15637
15933
17053
17913
18240
20222
21231
21634
10035
10397
10411
11194
11637
11681
12993
13535
13641
14413
15033
15179
16635
17396
17589
19876
20805
21090
9834
10150
10094
11016
11421
11412
12842
13353
13416
14278
14870
14980
16521
17256
17419
19785
20690
20950
9626
9891
9740
10834
11197
11123
12689
13166
13185
14142
14704
14776
16404
17115
17246
19691
20573
20808
9176
9325
9061
10450
10718
10491
12371
12775
12684
13861
14362
14351
16165
16827
16890
19496
20337
20519
8662
8669
7707
10032
10192
9837
12037
12359
12124
13569
14003
13880
15920
16528
16521
19296
20095
20223
8088
7821
7141
5907
4152
9561
9594
8546
11682
11913
11608
13265
13624
13369
15669
16220
16128
19092
19848
19919
8777
8420
7171
4043
11090
11165
10212
12779
13012
12652
15276
15733
15464
18780
19467
19445
9955
9479
8632
6406
11844
11812
10369
14570
14847
14399
18238
18797
18550
10787
10148
9580
4931
13761
13822
12284
17660
18075
17659
12859
12506
10779
17035
17287
16597
15588
15349
0.500
0.625
0.750
1.000
PerformanceData
Belt Driven
BSB53 | Size 36
PROPELLER
36B206
BLADE MOTOR
ANGLE
HP
20
25
30
20
25
30
20
25
30
20
25
30
20
25
30
20
25
30
3
/4
1
11/2
2
3
5
CFM / STATIC PRESSURE (IN. W.G.)
NOTES:
1. Performance certified is for installation type A: Free inlet, free outlet.
2. Power rating (BHP) does not include transmission losses.
3. Performance ratings do not include the effects of appurtenances (accessories).
4. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Standard 301.
Values are for installation Type A: Free inlet hemispherical sone levels.
®
www.aerovent.com
9
PerformanceData
Belt Driven
BSB53 | Size 42
PROPELLER
42B304
BLADE MOTOR
ANGLE
HP
20
25
30
20
25
30
20
25
30
20
25
30
20
25
30
1
11/2
2
3
5
CFM / STATIC PRESSURE (IN. W.G.)
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
735
664
606
842
760
694
926
836
764
1060
957
874
1257
1135
1037
1.10
1.10
1.10
1.65
1.65
1.65
2.20
2.20
2.21
3.29
3.30
3.30
5.47
5.51
5.52
21
18.3
16.9
26
23
21
29
26
25
36
32
30
50
43
40
14860
15201
15129
17024
17399
17326
18722
19139
19073
21431
21909
21819
25414
25984
25889
13702
13798
13504
16040
16197
15938
17843
18060
17827
20682
20981
20742
24801
25215
24991
13379
13420
13027
15766
15872
15562
17600
17770
17495
20475
20734
20460
24632
25012
24759
13050
13033
12558
15486
15542
15155
17351
17474
17153
20265
20482
20172
24461
24807
24524
12376
12224
11556
14914
14869
14330
16839
16873
16404
19832
19968
19577
24109
24386
24044
11671
11370
10313
14328
14166
13472
16317
16256
15666
19385
19443
18923
23748
23955
23549
10957
10460
9853
13718
13430
12453
15783
15615
14883
18930
18910
18264
23377
23517
23031
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
731
657
598
805
723
659
921
827
754
1092
981
894
1250
1123
1023
1.65
1.65
1.65
2.20
2.21
2.21
3.30
3.30
3.31
5.50
5.51
5.52
8.25
8.26
8.27
25
21
19.8
29
25
23
35
31
29
47
41
38
61
52
47
21282
21548
21286
23437
23712
23458
26814
27123
26839
31792
32174
31823
36392
36831
36415
19682
19677
19154
22007
22029
21579
25590
25668
25236
30784
30959
30498
35527
35776
35270
19245
19171
18495
21616
21583
21024
25257
25288
24797
30513
30646
30146
35295
35506
34971
18802
18626
17872
21218
21123
20425
24918
24901
24330
30236
30329
29784
35059
35234
34665
17894
17545
16426
20413
20128
19293
24225
24099
23294
29670
29683
29025
34577
34681
34036
16948
16408
14505
19578
19156
17870
23522
23228
22310
29089
29019
28171
34083
34118
33377
16002
15165
18719
18116
16097
22802
22370
21193
28500
28319
27296
33580
33543
32656
17434
16404
15158
21683
21050
18973
27607
27211
26052
32810
32647
31500
0.500
0.625
0.750
1.000
12784
12268
11177
8795
14950
14609
13477
18238
18081
17286
22809
22851
22191
13535
12790
12025
9815
17029
16620
15250
21843
21704
20835
15792
15051
14532
10862
20839
20497
19245
19802
19234
17364
17710
16479
0.375
0.500
0.625
0.750
1.000
14583
10971
19812
18560
17881
15132
26055
25402
23222
31510
31040
29671
24462
23397
22905
21147
19058
30157
29476
27248
28769
27772
24472
26030
23923
BSB53 | Size 48
PROPELLER
48B304
BLADE MOTOR
ANGLE
HP
20
25
30
20
25
30
20
25
30
20
25
30
20
25
30
11/2
2
3
5
7 1/2
CFM / STATIC PRESSURE (IN. W.G.)
NOTES:
1. Performance certified is for installation type A: Free inlet, free outlet.
2. Power rating (BHP) does not include transmission losses.
3. Performance ratings do not include the effects of appurtenances (accessories).
4. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Standard 301.
Values are for installation Type A: Free inlet hemispherical sone levels.
10
Aerovent Catalog 631
BSB53 | Size 54
PROPELLER
54B406
BLADE MOTOR
ANGLE
HP
20
25
30
20
25
30
20
25
30
20
25
30
20
25
30
20
25
30
11/2
2
3
5
71/2
10
CFM / STATIC PRESSURE (IN. W.G.)
FAN
RPM
MAX
BHP
SONES
@ 0" SP
0.000
0.100
0.125
0.150
0.200
0.250
0.300
0.375
556
498
452
612
549
498
700
628
570
830
744
675
950
852
773
1046
938
851
1.66
1.65
1.65
2.21
2.21
2.21
3.30
3.31
3.31
5.50
5.50
5.51
8.26
8.26
8.27
11.02
11.03
11.04
26
23
22
30
28
26
40
35
32
58
49
44
72
64
56
84
74
68
24411
25133
25193
26869
27707
27757
30733
31694
31770
36440
37548
37622
41709
42999
43085
45924
47339
47432
22429
22806
22427
25094
25626
25383
29209
29901
29781
35184
36055
35999
40630
41704
41694
44957
46168
46181
21893
22158
21353
24613
25062
24575
28799
29426
29199
34847
35666
35551
40341
41371
41320
44697
45868
45850
21354
21431
20442
24126
24474
23588
28381
28938
28556
34505
35271
35080
40048
41033
40934
44434
45565
45510
20281
20000
19161
18351
17899
16447
15676
23149
23151
20319
27531
27915
26890
33806
34459
34057
39451
40345
40118
43900
44950
44801
22172
21862
21153
20354
19415
17771
15666
26676
26754
25304
33093
33615
32712
38841
39638
39233
43355
44321
44049
25825
25627
24514
23770
21998
20017
18889
32373
32706
31374
38222
38910
38174
42801
43678
43242
31293
31226
29477
28756
37280
37760
36311
41956
42684
41768
0.500
0.625
0.750
1.000
27488
25733
25173
18231
35708
35622
34128
33515
32461
31008
28508
40527
40875
39125
39102
38934
37666
37025
34541
32306
PerformanceData
Belt Driven
NOTES:
1. Performance certified is for installation type A: Free inlet, free outlet.
2. Power rating (BHP) does not include transmission losses.
3. Performance ratings do not include the effects of appurtenances (accessories).
4. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Standard 301.
Values are for installation Type A: Free inlet hemispherical sone levels.
®
www.aerovent.com
11
DimensionalData
Model BSD53
A
B
2.00
C MAX
D
E SQ. INSIDE
SIZE
A
B
C MAX
D
E
14
16
18
21
24
30
36
42
48
21.13
23.13
25.13
28.44
31.88
37.88
43.88
49.88
55.88
19.20
20.20
21.20
22.70
24.44
27.94
31.94
34.92
37.92
11.19
11.19
11.19
14.41
14.55
14.74
15.67
23.59
23.59
15.25
18.25
20.25
23.25
26.25
34.25
40.25
45.00
51.00
21.50
24.50
26.50
29.50
32.50
40.50
46.50
52.50
58.50
CANTED CURB
DIMENSIONS
20 x 20
23 x 23
25 x 25
28 x 28
31 x 31
39 x 39
45 x 45
51 x 51
57 x 57
NOTE:
1. Dimensions are not to be used for construction.
12
Aerovent Catalog 631
SELF-FLASHING
CURB DIMENSIONS
20.50 x 20.50
23.50 x 23.50
25.50 x 25.50
28.50 x 28.50
31.50 x 31.50
39.50 x 39.50
45.50 x 45.50
51.50 x 51.50
57.50 x 57.50
A
B
DimensionalData
Model BSB53
2.00
C MAX
D
E SQ. INSIDE
SIZE
A
B
C MAX
D
E
21
24
30
36
42
48
54
28.44
31.88
37.88
43.88
49.88
55.88
61.88
22.70
24.44
27.94
31.94
34.92
37.92
40.92
17.25
17.25
18.31
18.31
21.31
21.31
26.13
23.30
26.30
34.30
40.30
45.55
51.55
56.88
29.50
32.50
40.50
46.50
52.50
58.50
64.50
CANTED CURB
DIMENSIONS
28 x 28
31 x 31
39 x 39
45 x 45
51 x 51
57 x 57
63 x 63
SELF-FLASHING
CURB DIMENSIONS
28.50 x 28.50
31.50 x 31.50
39.50 x 39.50
45.50 x 45.50
51.50 x 51.50
57.50 x 57.50
63.50 x 63.50
NOTE:
1. Dimensions are not to be used for construction.
®
www.aerovent.com
13
TypicalSpecifications
Model BSD53
Low Profile Upblast Propeller Roof Ventilators, shall be Model BSD53 direct drive as manufactured by Aerovent,
Minneapolis, Minnesota.
PERFORMANCE — Fans shall be tested in accordance with AMCA test codes for air moving devices and shall
be guaranteed by the manufacturer to deliver rated published performance levels.
CONSTRUCTION — Fan curb caps shall be constructed of heavy gauge galvanized or painted steel for durability and appearance. Curb caps shall have a deep formed inlet venturi for efficient airflow and pre-punched
holes for easy mounting to the roof curb. Discharge cap with butterfly dampers shall contain a rain channel to
protect against rain entry. Butterfly damper blades constructed of steel as standard, unless the outlet velocity of
the fan is below the minimum required to open steel damper blades, then aluminum blades shall be provided.
Discharge caps and motor mount assemblies shall be constructed of heavy gauge galvanized steel.
PROPELLERS — Propellers shall be constructed of cast aluminum blades and hubs. Propellers shall be secured
to the motor shaft with a taperlock bushing.
MOTORS — All motors shall be single phase or three phase induction, permanently lubricated, heavy-duty,
ball bearing type, closely matched to the fan load and provided at the voltage, phase, hertz, and enclosure
as provided on the fan schedule.
FINISH AND COATING — Fans shall have galvanized steel or finish painted curb caps, motor supports and
windbands.
ACCESSORIES — When specified, accessories such as inlet safety guards, fusible link assemblies, magnetic
damper latches, hinged bases, roof curbs and disconnect switches shall be provided by Aerovent to maintain
one source responsibility.
FACTORY RUN TEST — All fans prior to shipment shall be completely assembled and test run as a unit at
operating speed or maximum RPM allowed for the particular construction type. Each propeller shall be statically and dynamically balanced in accordance with ANSI/AMCA 204-96 "Balance Quality and Vibration Levels
for Fans" to Fan Application Category BV-3, Balance Quality Grade G6.3. Records shall be maintained and a
written copy shall be available upon request.
GUARANTEE — The manufacturer shall guarantee the workmanship and materials for its Model BSD53 for at
least one (1) year from startup or eighteen (18) months from shipment, whichever occurs first.
14
Aerovent Catalog 631
Low Profile Upblast Propeller Roof Ventilators, shall be Model BSB53 belt driven as manufactured by Aerovent,
Minneapolis, Minnesota.
PERFORMANCE — Fans shall be tested in accordance with AMCA test codes for air moving devices and shall
be guaranteed by the manufacturer to deliver rated published performance levels.
CONSTRUCTION — Fan curb caps shall be constructed of heavy gauge galvanized steel or painted steel for
durability and appearance. Curb caps shall have a deep formed inlet venturi for efficient airflow and pre-punched
holes for easy mounting to the roof curb. Discharge cap with butterfly dampers shall contain a rain channel to
protect against rain entry. Butterfly damper blades constructed of steel as standard, unless the outlet velocity of
the fan is below the minimum required to open steel damper blades, then aluminum blades shall be provided.
Discharge caps and motor mount assemblies shall be constructed of heavy gauge galvanized steel.
PROPELLERS — Propellers shall be constructed of cast aluminum blades and hubs. Propellers on belt driven
units shall be secured to the fan shaft with a taperlock bushing.
TypicalSpecifications
Model BSB53
SHAFTS — Shafts shall be AISI 1045 cold rolled steel, accurately turned, ground, polished, and ring gauged
for accuracy. Shafts shall be sized for the first critical speed of at least 1.43 times the maximum speed.
BEARINGS — Bearings are to be pillow block, heavy-duty, anti-friction, self-aligning, grease lubricated, ball
type. Each fan's bearings are sized with a minimum average life, per AFBMA, in excess of 200,000 hours when
operating at the maximum RPM of the fan size.
DRIVES — Motor sheaves shall be cast iron, and supplied as variable pitch standard. Drives and belts shall
be rated for a minimum of 150% of the required motor HP.
MOTORS — All motors shall be single phase or three phase induction, permanently lubricated, heavy-duty,
ball bearing type, closely matched to the fan load and provided at the voltage, phase, hertz, and enclosure
as provided on the fan schedule.
FINISH AND COATING — Fans shall have galvanized steel or finish painted curb caps, motor supports and
windbands.
ACCESSORIES — When specified, accessories such as inlet safety guards, fusible link assemblies, magnetic
damper latches, hinged bases, extended lube lines, roof curbs and disconnect switches shall be provided by
Aerovent to maintain one source responsibility.
FACTORY RUN TEST — All fans prior to shipment shall be completely assembled and test run as a unit at
operating speed or maximum RPM allowed for the particular construction type. Each propeller shall be statically and dynamically balanced in accordance with ANSI/AMCA 204-96 "Balance Quality and Vibration Levels
for Fans" to Fan Application Category BV-3, Balance Quality Grade G6.3. Balance readings shall be taken by
electronic type equipment in the axial, vertical, and horizontal directions on each of the bearings. Records shall
be maintained and a written copy shall be available upon request.
GUARANTEE — The manufacturer shall guarantee the workmanship and materials for its Model BSB53 for at
least one (1) year from startup or eighteen (18) months from shipment, whichever occurs first.
®
©2013 Twin City Fan Companies, Ltd. All rights reserved throughout the world.
Catalog illustrations cover the general appearance of Aerovent products at the time of publication
and we reserve the right to make changes in design and construction at any time without notice.
www.aerovent.com
15
PROPELLER FANS | TUBEAXIAL & VANEAXIAL FANS | CENTRIFUGAL FANS & BLOWERS | ROOF VENTILATORS
INDUSTRIAL AIR HANDLERS | AIR MAKE-UP | FIBERGLASS FANS | CUSTOM FANS
®
AEROVENT
A Twin City Fan Company
WWW.AEROVENT.COM
5959 Trenton Lane N | Minneapolis, MN 55442 | Phone: 763-551-7500 | Fax: 763-551-7501
1.5MSP05/11