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公稱通徑
Nominal Diameter

尺寸
Size

DN

NPS

C

E1

E2

W

D

sch80

sch160

6

1/8

6

10

---

26

5

4

8

1/4

6

15

---

36

7

6

8×6

1/4×1/8

6

15

10

31

5

4

10

3/8

8

16

---

40

10

8

10×8

3/8×1/4

8

16

15

39

7

6

15

1/2

8

20

---

48

13

10

15×10

1/2×3/8

8

20

16

44

10

8

15×8

1/2×1/4

8

20

15

43

7

6

20

3/4

10

21

---

52

18

14

20×15

3/4×1/2

10

21

20

51

13

10

20×10

3/4×3/8

10

21

16

47

10

8

25

1

10

25

---

60

23

19

25×20

1×3/4

10

25

21

56

18

14

25×15

1×1/2

10

25

20

55

13

10

32

1.1/4

12

25

---

62

31

28

32×25

1.1/4×1

12

25

25

62

23

19

32×20

11/4×3/4

12

25

21

58

18

14

32×15

1.1/4×1/2

12

25

20`

57

13

10

40

11/2

16

26

---

68

36

32

40×32

1.1/2×1.1/4

16

26

25

67

31

28

40×25

1.1/2×1

16

26

25

67

23

19

40×20

1.1/2×3/4

16

26

21

63

18

14

40×15

1.1/2×1/2

16

26

20

62

13

10

50

2

18

27

---

72

47

40

50×40

2×1.1/2

18

27

26

71

36

32

50×32

2×1.1/4

18

27

25

70

31

28

50×25

2×1

18

27

25

70

23

19

50×20

2×3/4

18

27

21

66

18

14

50×15

2×1/2

18

27

20

65

13

10

65

2.1/2

20

38

---

96

57

51

65×50

2.1/2×2

20

38

27

85

47

40

65×40

2.1/2×1.1/2

20

38

26

84

36

32

65×32

2.1/2×1.1/4

20

38

25

83

31

28

65×25

2.1/2×1

20

38

25

83

23

19

65×20

2.1/2×3/4

20

38

21

79

18

14

80

3

20

40

---

100

70

63

80×65

3×2.1/2

20

40

38

98

57

51

80×50

3×2

20

40

27

87

47

40

80×40

3×1.1/2

20

40

26

86

36

32

80×32

3×1.1/4

20

40

25

85

31

28

80×25

3×1

20

40

25

85

23

19

·注：螺紋型式為GB/T 12716 ( ANSI / ASME B1.20.1 ) 中的60°圓錐管螺紋NPT；也可采用其它型式的螺紋制造，請(qǐng)?jiān)谟嗀洉r(shí)注明。
Note:
·The standards and codes of the fittings is conical threaded NPT angle 60° of GB/T 12716(ANSI/ASME B1.20.1), and if requiring other types of thread, please indicate them in the purchased order.