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

10.6-11.7

13.3-14.1

350

5075

700

1400

100

1/4

-4

6.2-7.0

12.5-13.1

14.4-15.2

350

5075

700

1400

100

5/16

-5

7.7-8.5

14.2-14.8

16.3-17.1

297

4307

594

1188

115

3/8

-6

9.3-10.1

16.2-16.8

18.3-19.1

280

4060

560

1120

130

1/2

-8

12.3-13.5

19.4-20.0

21.5-22.3

245

3553

490

980

180

5/8

-10

15.5-16.7

22.8-23.4

25.0-25.8

192

2784

384

768

200

3/4

-12

18.6-19.8

26.4-27.2

28.6-29.4

157

2277

314

628

240

1

-16

25.0-26.4

33.9-34.7

36.3-37.1

140

2030

280

560

300

1-1/4

-20

31.4-33.0

42.8-43.6

45.3-46.1

113

1639

226

452

420

1-1/2

-24

37.7-39.3

49.2-50.0

51.7-52.5

87

1262

174

348

500

2

-32

50.4-52.0

61.9-62.7

64.4-65.2

78

1131

156

312

630