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石油、天然气工业用螺柱连接阀盖的钢制闸阀 阀杆的最小直径_阀门标准

石油、天然气工业用螺柱连接阀盖的钢制闸阀 阀杆的最小直径

公称

尺寸

DN

公 称 压 力 PN

16

20

25

40

50

63

100

150、160

250、260

420

阀 杆 的 最 小 直 径/mm

25

14.00

15.59

15.59

15.59

15.59

15.59

15.59

18.77

18.77

18.77

32

15.59

15.59

15.59

15.59

15.59

15.59

15.59

18.77

18.77

18.77

40

17.17

17.17

18.00

18.00

18.77

18.77

18.77

21.87

21.87

21.87

50

18.00

18.77

18.77

18.77

18.77

18.77

18.77

25.04

25.04

25.04

65

18.77

18.77

18.77

18.77

18.77

21.87

21.87

28.22

28.22

28.22

80

21.87

21.87

21.87

21.87

21.87

24.00

25.04

28.22

31.39

31.39

100

24.00

25.04

25.04

25.04

25.04

26.00

28.22

31.39

34.47

34.47

150

28.00

28.22

28.22

30.00

31.39

32.00

37.62

40.77

43.84

46.49

200

31.39

31.39

32.00

34.00

34.47

38.00

40.77

46.94

53.24

59.54

250

34.47

34.47

36.00

37.62

37.62

42.00

46.94

53.24

62.74

72.24

300

37.62

37.62

38.00

40.00

40.77

46.00

50.14

56.44

69.14

81.84

350

40.77

40.77

42.00

43.84

43.84

50.00

56.44

59.54

75.44

400

43.84

43.84

46.00

46.00

46.94

55.00

59.54

62.74

75.44

450

46.94

46.94

48.00

50.00

50.14

60.00

62.74

69.14

500

50.00

50.14

50.14

52.00

53.24

60.00

69.14

75.44

600

52.00

56.44

56.14

60.00

62.74

75.00

75.44

文章来源:中国泵阀网

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