Nominal DiameterΦ

Inside DiameterΦ

Reinforcement

DiameterΦ

Outside

DiameterΦ

Working Pressure

Proof Pressure

Burst Pressure

弯 曲 半 径

Bend Radius

inch

mm

mm

mm

mm

bar

psi

bar

bar

mm

3/16

5

4.6-5.4

10.6-11.7

13.3-14.1

415

6018

996

1660

90

1/4

6

6.2-7.0

12.5-13.1

16.7-17.5

400

5800

960

1600

100

5/16

8

7.7-8.5

14.2-14.8

18.4-19.2

350

5075

840

1400

115

3/8

10

9.3-10.1

16.2-16.8

20.6-21.4

330

4785

792

1320

130

1/2

12

12.3-13.5

19.4-20.0

23.8-24.6

275

3988

660

1100

180

5/8

16

15.5-16.7

22.8-23.4

27.0-27.8

250

3625

600

1000

200

3/4

19

18.6-19.8

26.4-27.2

31.0-31.8

215

3118

516

860

240

1

25

25.2-26.4

33.9-34.7

38.3-39.1

165

2393

396

660

300

1-1/4

31

31.4-33.0

42.8-43.6

49.2-50.0

125

1813

300

500

420

1-1/2

38

37.7-39.3

49.2-50.0

55.7-56.5

90

1305

216

360

500

2

51

50.4-52.0

61.9-62.7

68.7-69.5

80

1160

192

320

630