|
|
|
|
|
|
公称尺寸
|
坡口处外径
|
中心至端面
|
支管
|
主管
|
支管
|
主管
|
NPS
|
|
|
C
|
M
|
1/2"
|
x
|
1/2"
|
21.3
|
21.3
|
25
|
25
|
3/4"
|
x
|
3/4"
|
26.7
|
26.7
|
29
|
29
|
1"
|
x
|
1"
|
33.4
|
33.4
|
38
|
38
|
1-1/4"
|
x
|
1-1/4"
|
42.2
|
42.2
|
48
|
48
|
1-1/2"
|
x
|
1-1/2"
|
48.3
|
48.3
|
57
|
57
|
2"
|
x
|
2"
|
60.3
|
60.3
|
64
|
64
|
2-1/2"
|
x
|
2-1/2"
|
73.0
|
73.0
|
76
|
76
|
3"
|
x
|
3"
|
88.9
|
88.9
|
86
|
86
|
3-1/2"
|
x
|
3-1/2"
|
101.6
|
101.6
|
95
|
95
|
4"
|
x
|
4"
|
114.3
|
114.3
|
105
|
105
|
5"
|
x
|
5"
|
141.3
|
141.3
|
124
|
124
|
6"
|
x
|
6"
|
168.3
|
168.3
|
143
|
143
|
8"
|
x
|
8"
|
219.1
|
219.1
|
178
|
178
|
10"
|
x
|
10"
|
273.0
|
273.0
|
216
|
216
|
12"
|
x
|
12"
|
323.8
|
323.8
|
254
|
254
|
14"
|
x
|
14"
|
355.6
|
355.6
|
279
|
279
|
16"
|
x
|
16"
|
406.4
|
406.4
|
305
|
305
|
18"
|
x
|
18"
|
457.0
|
457.0
|
343
|
343
|
20"
|
x
|
20"
|
508.0
|
508.0
|
381
|
381
|
22"
|
x
|
22"
|
559.0
|
559.0
|
419
|
419
|
24"
|
x
|
24"
|
610.0
|
610.0
|
432
|
432
|
26"
|
x
|
26"
|
660.0
|
660.0
|
495
|
495
|
28"
|
x
|
28"
|
711.0
|
711.0
|
521
|
521
|
30"
|
x
|
30"
|
762.0
|
762.0
|
559
|
559
|
32"
|
x
|
32"
|
813.0
|
813.0
|
597
|
597
|
34"
|
x
|
34"
|
864.0
|
864.0
|
635
|
635
|
36"
|
x
|
36"
|
914.0
|
914.0
|
673
|
673
|
38"
|
x
|
38"
|
965.0
|
965.0
|
711
|
711
|
40"
|
x
|
40"
|
1016.0
|
1016.0
|
749
|
749
|
42"
|
x
|
42"
|
1067.0
|
1067.0
|
762
|
711
|
44"
|
x
|
44"
|
1118.0
|
1118.0
|
813
|
762
|
46"
|
x
|
46"
|
1168.0
|
1168.0
|
851
|
800
|
48"
|
x
|
48"
|
1219.0
|
1219.0
|
889
|
838
|
|
|
|
|
|
|