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DN£¨mm£©
|
NPS£¨in£©
|
A
|
B
|
C
|
G
|
15
|
1/2
|
48
|
13
|
34
|
1/2
|
20
|
3/4
|
59
|
17
|
40.5
|
3/4
|
25
|
1
|
68
|
23
|
46
|
1
|
32
|
1¼
|
78
|
30
|
51.5
|
1¼
|
40
|
1½
|
88
|
35
|
57.5
|
11½
|
50
|
2
|
105
|
45
|
68.5
|
2
|
65
|
2½
|
130
|
63
|
85.5
|
2½
|
80
|
3
|
147
|
75
|
95.5
|
3
|
100
|
4
|
180
|
93
|
116.5
|
4
|