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

**

350

5075

700

1400

100

1/4

-4

6.2-7.0

12.5-13.1

16.7-17.5

350

5075

700

1400

100

5/16

-5

7.7-8.5

14.2-14.8

18.4-19.2

297

4307

594

1188

115

3/8

-6

9.3-10.1

16.2-16.8

20.6-21.4

280

4060

560

1120

130

1/2

-8

12.3-13.5

19.4-20.0

23.8-24.6

245

3553

490

980

180

5/8

-10

15.5-16.7

22.8-23.4

27.0-27.8

192

2784

384

768

200

3/4

-12

18.6-19.8

26.4-27.2

31.0-31.8

157

2277

314

628

240

1

-16

25.0-26.4

33.9-34.7

38.3-39.1

140

2030

280

560

300

1-1/4

-20

31.4-33.0

42.8-43.6

49.2-50.0

113

1639

226

452

420

1-1/2

-24

37.7-39.3

49.2-50.0

55.7-56.5

87

1262

174

348

500

2

-32

50.4-52.0

61.9-62.7

68.7-69.5

78

1131

156

312

630