NominalDiameter

InsideDiametermm

ReinforcementDiametermm

OutsideDiametermm

Working

Pressure

Mpa

ProofPressure

MPa    

BurstPressure

Mpa

BendRadius

mm

Type A

Type AT

mm

inch

min

max

min

max

min

max

max

max

min

min

5

3/16

4.6

5.4

8.9

 10.1

11.9

 13.5

  12.5

21

42

84

90

6.3

1/4

6.2

7.0

10.6

11.7

15.1

16.7

14.1

19.2

38.5

77

100

8

5/16

7.7

8.5

12.1

13.3

16.7

18.3

15.7

17.5

35

70

115

10

3/8

9.3

10.1

14.5

15.7

19.0

20.6

18.1

15.7

31.5

63

125

12.5

1/2

12.3

13.5

17.5

19.0

22.2

23.8

21.5

14

28

56

180

 16

5/8

15.5

16.7

20.6

22.2

25.4

27.0

24.7

10.5

21

42

205

19

3/4

18.6

19.8

24.6

26.2

29.4

31.0

28.6

8.7

17.5

35

240

25

1

25.0

26.4

32.5

34.1

36.9

39.3

36.6

7

14

28

300

31.5

1-1/4

31.4

33.0

39.3

41.7

44.4

47.6

44.8

4.3

8.7

17.5

420

38

1-1/2

37.7

39.3

45.6

48.0

50.8

54.0

52.0

3.5

7

14

500

51

2

50.4

52.0

58.7

61.9

65.1

68.3

65.9

2.6

5.2

10.5

630