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

1/4

-4

6.2-7.0

10.4-11.0

12.5-13.3

210

3000

420

840

50

5/16

-5

7.7-8.5

11.5-12.1

13.8-14.6

210

3000

420

840

55

3/8

-6

9.3-10.1

14.0-14.6

16.2-17.0

210

3000

420

840

65

1/2

-8

12.3-13.5

17.2-17.8

19.5-20.3

210

3000

420

840

90

5/8

-10

15.5-16.7

22.0-22.6

24.3-25.1

210

3000

420

840

105

3/4

-12

18.6-19.8

25.1-25.9

27.6-28.4

210

3000

420

840

125

1

-16

25.0-26.4

32.6-33.4

35.2-36.0

210

3000

420

840

150