名义直径

Nominal

Diameter

内径

Inside  diameter mm

钢丝层直径

Reinforcement

Diameter mm

外径

Outside diameter mm

工作压力working pressure MPa

试验压力

Proof pressure

MPa

爆破压力burst pressure

MPa

最小弯曲

Min. bend

Radius

mm

Min

Max

Min

Max

Min

Max

Min

Max

Max

min

5

3/16

4.6

5.4

9.0

10.0

11.1

12.5

25.0

50.0

100.0

90

6.3

1/4

6.2

7.0

10.6

11.6

12.7

14.1

22.5

45.0

90.0

100

8

5/16

7.7

8.5

12.1

13.3

14.3

15.7

21.5

43.0

85.0

115

10

3/8

9.3

10.1

14.5

15.7

16.7

18.1

18.0

36.0

72.0

125

12.5

1/2

15.5

13.5

17.5

19.1

19.8

21.4

16.0

32.0

64.0

180

16

5/8

12.3

16.7

20.6

22.2

22.9

24.5

13.0

26.0

52.0

205

19

3/4

18.6

19.8

24.6

26.2

26.9

28.5

10.5

21.0

42.0

240

25

1

25.0

26.4

32.5

34.1

34.6

36.6

8.8

17.5

35.0

300

31.5

1.1/4

31.4

33.0

39.3

41.7

42.2

44.8

6.3

12.5

32.0s

420

38

1.1/2

37.7

39.3

45.6

48.0

49.1

52.1

5.0

10.0

20.0

500

51

2

50.4

52.0

58.7

61.7

62.5

65.5

4.0

8.0

16.0

630