|
|
|
公称通径
|
外径D
|
公称壁厚T
|
|
DN
|
A
|
B
|
sch5s
|
sch10s
|
sch20s
|
LG
|
|
15
|
21.3
|
18
|
1.6
|
2.1
|
2.6
|
|
|
20
|
26.9
|
25
|
1.6
|
2.1
|
2.6
|
|
|
25
|
33.7
|
32
|
1.6
|
2.8
|
3.2
|
|
|
32
|
42.4
|
38
|
1.6
|
2.8
|
3.2
|
|
|
40
|
48.3
|
45
|
1.6
|
2.8
|
3.2
|
|
|
50
|
60.3
|
57
|
1.6
|
2.8
|
3.6
|
|
|
65
|
76.1(73)
|
76
|
2.0
|
3.0
|
3.6
|
|
|
80
|
88．9
|
89
|
2.0
|
3.0
|
4.0
|
|
|
90
|
101.6
|
|
2.0
|
3.0
|
4.0
|
|
|
100
|
114．3
|
108
|
2.0
|
3.0
|
4.0
|
|
|
125
|
139．7
|
133
|
2.9
|
3.4
|
5.0
|
|
|
150
|
168．3
|
159
|
2.9
|
3.4
|
5.0
|
|
|
200
|
219．1
|
219
|
2.9
|
4.0
|
6.3
|
|
|
250
|
273.0
|
273
|
3.6
|
4.0
|
6.3
|
|
|
300
|
323．9
|
325
|
4.0
|
4.5
|
6.3
|
|
|
350
|
355.6
|
377
|
4.0
|
5.0
|
8.0
|
8.0
|
|
400
|
406.4
|
426
|
4.0
|
5.0
|
8.0
|
8.0
|
|
450
|
457.0
|
478
|
4.0
|
5.0
|
8.0
|
8.0
|
|
500
|
508.0
|
529
|
5.0
|
5.6
|
8.0
|
8.6
|
|
550
|
559
|
|
5.0
|
5.6
|
|
8.0
|
|
600
|
610
|
630
|
5.6
|
6.3
|
|
8.0
|
|
650
|
660
|
|
|
|
|
8.0
|
|
700
|
711
|
720
|
|
|
|
8.0
|
|
750
|
762
|
|
|
|
|
8.0
|
|
800
|
813
|
820
|
|
|
|
8.0
|
|
850
|
864
|
|
|
|
|
8.0
|
|
900
|
914
|
920
|
|
|
|
8.0
|
|
950
|
965
|
|
|
|
|
8.0
|
|
1000
|
1016
|
1020
|
|
|
|
8.0
|
|
1050
|
1067
|
|
|
|
|
8.0
|
|
1100
|
1118
|
1120
|
|
|
|
8.0
|
|
1150
|
1168
|
|
|
|
|
8.0
|
|
1200
|
1219
|
1220
|
|
|
|
8.0
|
|
|
