Table 22 — Fan Performance 581B048 — Horizontal Discharge Units; Standard Motor (Belt Drive)*

AIRFLOW

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

 

0.2

 

 

0.4

 

 

0.6

 

 

0.8

 

 

1.0

 

CFM

 

 

 

 

 

 

 

 

 

 

 

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

1200

643

0.23

234

762

0.34

343

859

0.46

458

944

0.58

579

1020

0.71

705

1300

675

0.28

277

790

0.40

394

886

0.52

517

969

0.65

644

1044

0.78

777

1400

707

0.33

326

819

0.45

452

913

0.58

581

996

0.72

716

1070

0.86

855

1500

740

0.38

382

849

0.52

515

941

0.66

653

1023

0.80

795

1096

0.95

941

1600

773

0.45

444

879

0.59

586

970

0.73

731

1050

0.88

880

1123

1.04

1034

1700

807

0.52

513

910

0.67

663

999

0.82

817

1078

0.98

973

1150

1.14

1134

1800

841

0.59

589

942

0.75

749

1029

0.91

910

1106

1.08

1074

1900

875

0.68

674

974

0.85

842

1059

1.02

1012

1135

1.19

1184

2000

910

0.77

767

1006

0.95

944

1090

1.13

1122

 

 

 

 

 

 

 

 

 

 

 

 

AIRFLOW

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

 

1.2

 

 

1.4

 

 

1.6

 

 

1.8

 

 

2.0

 

CFM

 

 

 

 

 

 

 

 

 

 

 

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

1200

1089

0.84

837

1153

0.98

974

1213

1.12

1115

1300

1113

0.92

915

1177

1.06

1058

1400

1138

1.01

1000

1201

1.15

1149

1500

1163

1.10

1092

1600

1189

1.20

1191

1700

1800

1900

2000

LEGEND

Bhp — Brake Horsepower

Watts — Input Watts to Motor

*Motor drive range: 770 to 1185 rpm. All other rpms require field- supplied drive.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 1.20.

3.See page 33 for general fan performance notes.

Table 23 — Fan Performance 581B048 — Horizontal Discharge Units; High-Static Motor (Belt Drive)*

AIRFLOW

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

 

0.2

 

 

0.4

 

 

0.6

 

 

0.8

 

 

1.0

 

CFM

 

 

 

 

 

 

 

 

 

 

 

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

1200

643

0.23

234

762

0.34

343

859

0.46

458

944

0.58

579

1020

0.71

705

1300

675

0.28

277

790

0.40

394

886

0.52

517

969

0.65

644

1044

0.78

777

1400

707

0.33

326

819

0.45

452

913

0.58

581

996

0.72

716

1070

0.86

855

1500

740

0.38

382

849

0.52

515

941

0.66

653

1023

0.80

795

1096

0.95

941

1600

773

0.45

444

879

0.59

586

970

0.73

731

1050

0.88

880

1123

1.04

1034

1700

807

0.52

513

910

0.67

663

999

0.82

817

1078

0.98

973

1150

1.14

1134

1800

841

0.59

589

942

0.75

749

1029

0.91

910

1106

1.08

1074

1177

1.25

1242

1900

875

0.68

674

974

0.85

842

1059

1.02

1012

1135

1.19

1184

1205

1.37

1360

2000

910

0.77

767

1006

0.95

944

1090

1.13

1122

1165

1.31

1302

1234

1.49

1485

 

 

 

 

 

 

 

 

 

 

 

 

AIRFLOW

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

 

1.2

 

 

1.4

 

 

1.6

 

 

1.8

 

 

2.0

 

CFM

 

 

 

 

 

 

 

 

 

 

 

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

1200

1089

0.84

837

1153

0.98

974

1213

1.12

1115

1270

1.27

1262

1324

1.42

1413

1300

1113

0.92

915

1177

1.06

1058

1237

1.21

1205

1293

1.36

1358

1347

1.52

1514

1400

1138

1.01

1000

1201

1.15

1149

1261

1.31

1303

1317

1.47

1461

1370

1.63

1623

1500

1163

1.10

1092

1226

1.25

1247

1285

1.41

1407

1341

1.58

1571

1394

1.75

1740

1600

1189

1.20

1191

1252

1.36

1353

1310

1.53

1520

1365

1.70

1690

1418

1.87

1865

1700

1216

1.31

1299

1277

1.48

1468

1335

1.65

1640

1390

1.83

1817

1442

2.01

1998

1800

1242

1.42

1414

1303

1.60

1590

1361

1.78

1770

1415

1.96

1953

1467

2.15

2140

1900

1270

1.55

1538

1330

1.73

1721

1387

1.92

1908

1441

2.11

2098

1493

2.30

2292

2000

1297

1.68

1672

1357

1.87

1862

1414

2.07

2055

1467

2.26

2252

LEGEND

Bhp — Brake Horsepower

Watts — Input Watts to Motor

*Motor drive range: 1075 to 1455 rpm. All other rpms require field- supplied drive.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 2.40.

3.See page 33 for general fan performance notes.

30

Page 30
Image 30
Bryant 581B 643 234 762, 1201, 1189 1191, 705, 675 277 790, 777, 707 326 819, 855, 740 382 849, 941, 1034

581B specifications

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