球墨鑄鐵管法蘭厚度

規(guī)格DN

mm

PN10

mm

PN16

mm

PN25

mm

10

15

20

25

32

40

19

19

19

50

19

19

19

65

19

19

19

80

19

19

19

100

19

19

19

125

19

19

19

150

19

19

20

200

20

20

22

250

22

22

24.5

300

24.5

24.5

27.5

350

24.5

26.5

30

400

24.5

28

32

450

25.5

30

34.5

500

26.5

31.5

36.5

600

30

36

42

700

32.5

39.5

46.5

800

35

43

51

900

37.5

46.5

55.5

1000

40

50

60

1200

45

57

69

1400

46

60

74

1600

49

65

81

1800

52

70

88

2000

55

75

95