Performance data (cont)
42BH FAN PERFORMANCE
UNIT
SIZE
CFM
TOTAL STATIC PRESSURE (in. wg)
0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
Rpm Hp Rpm Hp Rpm Hp Rpm Hp Rpm Hp Rpm Hp Rpm Hp Rpm Hp
08
600 835
1
⁄
4
835
1
⁄
4
1000
1
⁄
4
1000
1
⁄
4
1000
1
⁄
4
1000
1
⁄
4
1250
1
⁄
4
1250
1
⁄
3
700 835
1
⁄
4
835
1
⁄
4
1000
1
⁄
4
1000
1
⁄
4
1000
1
⁄
4
1000
1
⁄
4
1250
1
⁄
3
1250
1
⁄
3
800 835
1
⁄
4
835
1
⁄
4
1000
1
⁄
4
1000
1
⁄
4
1000
1
⁄
4
1000
1
⁄
3
1250
1
⁄
3
1250
1
⁄
3
900 835
1
⁄
4
835
1
⁄
4
1000
1
⁄
4
1000
1
⁄
3
1000
1
⁄
3
835
1
⁄
3
1250
1
⁄
3
1120
1
⁄
2
12
1000 835
1
⁄
4
835
1
⁄
4
1000
1
⁄
3
1000
1
⁄
3
1000
1
⁄
3
1120
1
⁄
2
1120
1
⁄
2
1120
1
⁄
2
1100 835
1
⁄
4
835
1
⁄
3
1000
1
⁄
3
1000
1
⁄
3
1120
1
⁄
2
1120
1
⁄
2
1120
1
⁄
2
1120
1
⁄
2
1200 835
1
⁄
3
835
1
⁄
3
1000
1
⁄
3
960
1
⁄
2
1120
1
⁄
2
1120
1
⁄
2
1120
1
⁄
2
1120
1
⁄
2
1300 835
1
⁄
3
835
1
⁄
3
960
1
⁄
2
960
1
⁄
2
1120
1
⁄
2
1120
1
⁄
2
1120
1
⁄
2
1120
1
⁄
2
16
1400 835
1
⁄
3
835
1
⁄
3
835
1
⁄
3
840
1
⁄
2
960
1
⁄
2
960
1
⁄
2
960
1
⁄
2
1120
1
⁄
2
1500 835
1
⁄
3
750
1
⁄
2
840
1
⁄
2
840
1
⁄
2
960
3
⁄
4
960
1
⁄
2
960
1
⁄
2
1120
3
⁄
4
1600 750
1
⁄
2
840
1
⁄
2
840
1
⁄
2
840
1
⁄
2
960
3
⁄
4
960
3
⁄
4
960
3
⁄
4
1120
3
⁄
4
1700 750
1
⁄
2
840
1
⁄
2
840
1
⁄
2
840
1
⁄
2
960
3
⁄
4
960
3
⁄
4
960
3
⁄
4
1120
3
⁄
4
20
1800 610
1
⁄
2
675
1
⁄
2
675
1
⁄
2
750
1
⁄
2
750
1
⁄
2
840
3
⁄
4
840
3
⁄
4
840
3
⁄
4
1900 610
1
⁄
2
675
1
⁄
2
675
1
⁄
2
750
1
⁄
2
750
3
⁄
4
840
3
⁄
4
840
3
⁄
4
840
3
⁄
4
2000 610
1
⁄
2
675
1
⁄
2
675
1
⁄
2
750
1
⁄
2
750
3
⁄
4
840
3
⁄
4
840
3
⁄
4
840
3
⁄
4
2100 610
1
⁄
2
675
1
⁄
2
675
1
⁄
2
750
3
⁄
4
750
3
⁄
4
840
3
⁄
4
840
3
⁄
4
840
3
⁄
4
2200 610
1
⁄
2
675
1
⁄
2
675
1
⁄
2
750
3
⁄
4
750
3
⁄
4
840
3
⁄
4
840
3
⁄
4
840
3
⁄
4
30
2400 560
1
⁄
2
560
1
⁄
2
560
3
⁄
4
610
3
⁄
4
675
3
⁄
4
675
3
⁄
4
750
3
⁄
4
710 1
2600 560
1
⁄
2
560
1
⁄
2
560
3
⁄
4
610
3
⁄
4
675
3
⁄
4
675
3
⁄
4
710 1 710 1
2800 560
1
⁄
2
560
3
⁄
4
560
3
⁄
4
610
3
⁄
4
675
3
⁄
4
710 1 710 1 710 1
3000 560
3
⁄
4
560
3
⁄
4
560
3
⁄
4
610
3
⁄
4
630 1 710 1 710 1 710 1
3200 560
3
⁄
4
560
3
⁄
4
570 1 630 1 630 1 710 1 710 1 750 1
1
⁄
2
40
3400 560
3
⁄
4
630 1 710 1 710 1 815 1 815 1 840 1
1
⁄
2
840 1
1
⁄
2
3600 560
3
⁄
4
630 1 710 1 710 1 815 1 840 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
3800 570 1 630 1 710 1 710 1 750 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
4000 570 1 630 1 710 1 710 1 750 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
4200 570 1 630 1 710 1 750 1
1
⁄
2
750 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
UNIT
SIZE
CFM
TOTAL STATIC PRESSURE (in. wg)
1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
Rpm Hp Rpm Hp Rpm Hp Rpm Hp Rpm Hp Rpm Hp Rpm Hp Rpm Hp
08
600 1250
1
⁄
3
1250
1
⁄
3
1430
1
⁄
3
1430
1
⁄
3
1345
1
⁄
2
1680
1
⁄
2
1680
1
⁄
2
1680
1
⁄
2
700 1250
1
⁄
3
1250
1
⁄
3
1345
1
⁄
2
1345
1
⁄
2
1345
1
⁄
2
1680
1
⁄
2
1680
1
⁄
2
1680
1
⁄
2
800 1250
1
⁄
3
1345
1
⁄
2
1345
1
⁄
2
1345
1
⁄
2
1345
1
⁄
2
1345
1
⁄
2
1680
3
⁄
4
1680
3
⁄
4
900 1345
1
⁄
2
1345
1
⁄
2
1345
1
⁄
2
1345
1
⁄
2
1345
1
⁄
2
1345
1
⁄
2
1680
3
⁄
4
1680
3
⁄
4
12
1000 1345
1
⁄
2
1345
1
⁄
2
1345
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1680
3
⁄
4
1680
3
⁄
4
1680
3
⁄
4
1100 1345
1
⁄
2
1345
1
⁄
2
1345
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1680
3
⁄
4
1680
3
⁄
4
1680
3
⁄
4
1200 1345
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1680
3
⁄
4
1680
3
⁄
4
1680
3
⁄
4
1300 1345
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1680
3
⁄
4
1625 1 1625 1
16
1400 1120
3
⁄
4
1120
3
⁄
4
1120
3
⁄
4
1120
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1425 1 1425 1
1500 1120
3
⁄
4
1120
3
⁄
4
1120
3
⁄
4
1120
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1425 1 1425 1
1600 1120
3
⁄
4
1120
3
⁄
4
1120
3
⁄
4
1120
3
⁄
4
1345
3
⁄
4
1345
3
⁄
4
1425 1 1425 1
1700 1120
3
⁄
4
1120
3
⁄
4
1140 1 1140 1 1140 1 1425 1 1425 1 1425 1
20
1800 960
3
⁄
4
960
3
⁄
4
950 1 1140 1 1140 1 950 1 1120 1
1
⁄
2
1120 1
1
⁄
2
1900 960
3
⁄
4
960
3
⁄
4
950 1 1140 1 1140 1 950 1 1120 1
1
⁄
2
1120 1
1
⁄
2
2000 960
3
⁄
4
950 1 950 1 1140 1 1140 1 950 1 1120 1
1
⁄
2
1120 1
1
⁄
2
2100 960
3
⁄
4
950 1 950 1 1140 1 1140 1 950 1 1120 1
1
⁄
2
1120 1
1
⁄
2
2200 950 1 950 1 950 1 950 1 1140 1 950 1 1120 1
1
⁄
2
1120 1
1
⁄
2
30
2400 815 1 815 1 840 1
1
⁄
2
840 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
2600 815 1 815 1 840 1
1
⁄
2
840 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
2800 815 1 840 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
3000 750 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
3200 750 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
840 1
1
⁄
2
960 1
1
⁄
2
960 1
1
⁄
2
970 2 970 2
40
3400 960 1
1
⁄
2
960 1
1
⁄
2
970 2 1110 2 1110 2 1110 2 1100 3 1260 3
3600 960 1
1
⁄
2
960 1
1
⁄
2
970 2 1110 2 1110 2 1110 2 1100 3 1260 3
3800 960 1
1
⁄
2
960 1
1
⁄
2
970 2 1110 2 1110 2 1110 2 1100 3 1260 3
4000 960 1
1
⁄
2
970 2 970 2 1110 2 1100 3 1100 3 1100 3 1260 3
4200 960 1
1
⁄
2
970 2 970 2 1110 2 1100 3 1100 3 1100 3 1260 3
NOTES:
1. The rpm’s shown for fan/blower are mid-range reference values for
factory-furnished drives. The appropriate drive for 50 Hz or 60 Hz
motor will be selected at the factory.
2. Contact factory if higher horsepower selection is required for a given
cfm and total static pressure.
3. The variable pitch motor sheave will allow an approximate ±15% rpm
adjustment from mid-range value. Unit size 08, 12, and 16 have
3
⁄
4
-in. bore fan sheaves. Unit sizes 20, 30, and 40 have one-in. bore
fan sheaves.
4. Consult factory for motor selections when outlet air temperature ex-
ceeds 104 F.
5. Single-phase motors are only available to one hp. Three-phase mo-
tors are available from
1
⁄
3
to 3 hp.
22
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