Nominal DiameterΦ

Inside DiameterΦ

Reinforcement

DiameterΦ

Outside

DiameterΦ

Working Pressure

Proof Pressure

Burst Pressure

Bend Radius

inch

dash

mm

mm

mm

bar

psi

bar

bar

mm

3/16

-3

4.6-5.4

8.9-10.1

**

210

3045

420

840

89

1/4

-4

6.2-7.0

10.8-11.4

15.0-15.8

192

2784

384

768

102

5/16

-5

7.7-8.5

12.5-13.1

16.8-17.6

175

2538

350

700

114

3/8

-6

9.3-10.1

14.5-15.1

19.0-19.8

157

2277

314

628

127

1/2

-8

12.3-13.5

17.7-18.3

20.2-23.0

140

2030

280

560

178

5/8

-10

15.5-16.7

21.1-21.7

25.4-26.2

105

1523

210

420

203

3/4

-12

18.6-19.8

24.6-25.4

29.4-30.2

87

1262

174

348

241

1

-16

25.0-26.4

32.1-32.9

37.6-38.4

70

1015

140

280

305

1-1/4

-20

31.4-33.0

40.8-41.6

45.3-46.1

43

624

86

172

419

1-1/2

-24

37.7-39.3

47.2-48.0

51.7-52.5

35

508

70

140

508

2

-32

50.4-52.0

59.9-60.7

52.2-66.0

26

377

52

104

635