Note

1.Pressure and Temperature Limitations Steam Section I - ‘V’ Special Use

1 to 55 barg -28° to 427°C

Kunkle Safety and Relief Products

Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927

Models 920, 921, 927

ASME Section I Steam [Metric, kg/h] - Flow Coefficient = 0.8781

Set Pressure

—––————————Orifice Area, cm2

——————–———

[barg]

D

E

F

G

H

J

 

[0.7826]

[1.3916]

[2.1735]

[3.5677]

[5.574]

[9.129]

 

 

 

 

 

 

 

1.1

81

144

225

370

578

946

 

 

 

 

 

 

 

2.0

114

202

315

518

809

1325

3.0

150

266

415

682

1065

1745

 

 

 

 

 

 

 

4.0

186

330

516

846

1322

2165

5.0

222

395

617

1013

1582

2591

 

 

 

 

 

 

 

6.0

259

461

720

1182

1846

3024

7.0

296

527

823

1351

2111

3457

 

 

 

 

 

 

 

8.0

333

593

926

1520

2375

3890

9.0

371

659

1029

1689

2640

4323

 

 

 

 

 

 

 

10.0

408

725

1132

1859

2904

4756

12.0

482

857

1339

2197

3433

5622

 

 

 

 

 

 

 

14.0

556

989

1545

2536

3961

6488

16.0

630

1121

1751

2874

4490

7354

 

 

 

 

 

 

 

18.0

705

1253

1957

3212

5019

8220

20.0

779

1385

2163

3551

5548

9086

 

 

 

 

 

 

 

22.0

853

1517

2369

3889

6077

9952

24.0

927

1649

2576

4228

6605

10818

 

 

 

 

 

 

 

26.0

1002

1781

2782

4566

7134

11684

28.0

1076

1913

2988

4905

7663

12550

 

 

 

 

 

 

 

30.0

1150

2045

3194

5243

8192

13416

32.0

1224

2177

3400

5582

8720

14282

 

 

 

 

 

 

 

34.0

1299

2309

3607

5920

9249

15148

36.0

1373

2441

3813

6259

 

 

 

 

 

 

 

38.0

1447

2573

4019

6597

40.0

1521

2705

4225

6935

 

 

 

 

 

 

 

42.0

1596

2837

44.0

1670

2969

 

 

 

 

 

 

 

46.0

1744

3101

48.0

1818

3233

 

 

 

 

 

 

 

50.0

1893

3365

52.0

1967

3497

 

 

 

 

 

 

 

54.0

2041

3629

58.0

2190

3893

 

 

 

 

 

 

 

62.0

2338

4157

Tyco reserves the right to change product design and specifications

KUKMC-0392

without notice. Copyright © 2002 by Tyco International Ltd.

13