公称通径 DN

L

L1

D

d1

d2

Z

DN20X15

25

21

27

20

25

15

DN25X15

27

22

35

20

32

15

DN25X20

27

22

35

25

32

18

DN32X15

32

26

43

20

40

15

DN32X20

32

26

43

25

40

18

DN32X25

32

26

43

32

40

20

DN40X15

39

31

58

20

50

15

DN40X20

39

31

58

25

50

18

DN40X25

39

31

58

32

50

20

DN40X32

39

31

58

40

50

22

DN50X20

47

38

67

25

63

18

DN50X25

47

38

67

32

63

20

DN50X32

47

38

67

40

63

22

DN50X40

47

38

67

50

63

24

DN65X25

53

44

79

32

75

20

DN65X32

53

44

79

40

75

22

DN65X40

53

44

79

50

75

24

DN65X50

53

44

79

63

75

28

DN80X40

61

51

94

50

90

24

DN80X50

61

51

94

63

90

28

DN80X65

61

51

94

75

90

31

DN100X65

72

60

114

75

110

31

DN100X80

72

60

114

90

110

35