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 a

爆破压力burst pressure

MPa

较小弯曲

Min. bend

Radius

mm

mm 

inch 

Min

Max

Min

Max

Max 

Max

Max

min

5

3/16

4.6

5.4

10.6

11.7

14.1

35.0

70.0

140.0

90

6.3

1/4

6.2

7.0

12.1

13.3

15.7

35.0

70.0

140.0

100

8

5/16

7.7

8.5

13.7

14.9

17.3

29.7

59.4

118.8

115

10

3/8

9.3

10.1

16.1

17.3

19.7

28.0

56.0

112.0

125

12.5

1/2

15.5

13.5

19.0

20.6

23.1

24.5

49.0

98.0

180

16

5/8

12.3

16.7

22.2

23.8

26.3

19.2

38.4

76.8

205

19

3/4

18.6

19.8

26.2

27.8

30.2

15.7

31.4

62.8

240

25

1

25.0

26.4

34.1

35.7

38.9

14.0

28.0

56.0

300

31.5

1.1/4

31.4

33.0

43.2

45.6

49.6

11.3

22.6

45.2

420

38

1.1/2

37.7

39.3

49.6

52.0

56.0

8.7

17.4

34.8

500

51

2

50.4

52.0

62.3

64.7

68.6

7.8

15.5

31.0

630