公称通径
Nominal pipe size DN

中心至端面 Center to End

外径
Outside Diameter D

壁厚
Wall Thickness

螺纹长度
Length of Thread(min)

A

D

Cmin

90°弯头、三通、四通
Elbows、Tess、Crosses

45°弯头
45°Elbows

A

B(in)

2000

3000

6000

2000

3000

6000

2000

3000

6000

2000

3000

6000

B

L2

6
8
10
15

1/8
1/4
3/8
1/2

21
21
25
29

21
25
29
33

25
29
33
38

17
17
19
22

17
19
22
25

19
22
25
29

22
22
25
33

22
25
33
38

25
33
38
46

3.0
3.0
3.0
3.0

3.0
3.5
3.5
4.0

6.5
6.5
7.0
8.0

6.5
8.0
9.0
11.0

6.5
10.0
10.5
13.5

20
25
32
40

3/4
1
11/4
11/2

33
38
44
51

38
44
51
60

44
51
60
64

25
29
33
35

29
33
35
43

33
35
43
44

38
46
56
62

46
56
62
75

56
62
75
84

3.0
3.5
4.0
4.0

4.5
5.0
5.5
5.5

8.5
10.0
10.0
11.0

12.5
14.5
17.0
18.0

14.0
17.5
18.0
18.5

50
65
80
100

2
21/2
3
4

60
76
86
106

64
83
96
114

83
95
106
114

43
52
64
79

45
52
64
79

52
64
79
79

75
92
110
146

84
102
121
152

102
121
146
152

4.5
5.5
6.0
6.5

7.0
7.5
9.0
11.0

12.0
15.5
16.5
18.5

19.0
23.5
26.0
27.5

19.0
29.0
30.0
33.0