石油、天然气工业用螺柱连接阀盖的钢制闸阀 阀体的最小壁厚

公称

尺寸

DN

公 称 压 力 PN

16

20

25

40

50

63、64

100

150、160

250、260

420

阀 体 最 小 壁 厚/mm

25

6.4

6.4

6.4

6.4

6.4

7.4

7.9

12.7

12.7

15.1

32

6.4

6.4

6.4

6.4

6.4

7.9

8.6

14.2

14.2

17.5

40

6.4

6.4

6.7

7.4

7.9

8.2

9.4

15.0

15.0

19.1

50

7.9

8.6

8.8

9.3

9.7

10.0

11.2

15.8

19.1

22.4

65

8.7

9.7

10.0

10.7

11.2

11.4

11.9

18.0

22.4

25.4

80

9.4

10.4

10.7

11.4

11.9

12.1

12.7

19.1

23.9

30.2

100

10.3

11.2

11.5

12.2

12.7

13.4

16.0

21.3

28.7

35.8

150

11.9

11.9

12.6

14.6

16.0

16.7

19.1

26.2

38.1

48.5

200

12.7

12.7

13.5

15.9

17.5

19.2

25.4

31.8

47.8

62.0

250

14.2

14.2

15.0

17.5

19.1

21.2

28.7

36.6

57.2

67.6

300

15.3

16.0

16.8

19.1

20.6

23.0

31.8

42.2

66.8

86.6

350

15.9

16.8

17.7

20.5

22.4

25.2

35.1

46.0

69.9

—

400

16.4

17.5

18.6

21.8

23.9

27.0

38.1

52.3

79.5

—

450

16.9

18.3

19.5

23.0

25.4

28.9

41.4

57.2

88.9

—

500

17.6

19.1

20.4

24.3

26.9

30.7

44.5

63.5

98.6

—

600

19.6

20.6

22.2

27.0

30.2

34.7

50.8

73.2

114.3

—