GB12459、GB/T13401 BUTT-WELDING STRAIGHT TEES AND CROSSES
|
Nominal pipe size
DN
|
Outside diameter at bevel
|
Center to end
|
|
Nominal pipe size
DN
|
Outside diameter at bevel
|
Center to end
|
|
D
|
C
|
M
|
|
D
|
C
|
M
|
|
Series A
|
Series B
|
|
Series A
|
Series B
|
|
15
|
21.3
|
18
|
25
|
|
450
|
457.2
|
478
|
343
|
|
20
|
26.9
|
25
|
29
|
|
500
|
508.0
|
529
|
381
|
|
25
|
33.7
|
32
|
38
|
|
550
|
559
|
-
|
419
|
|
32
|
42.4
|
38
|
48
|
|
600
|
610
|
630
|
432
|
|
40
|
48.3
|
45
|
57
|
|
650
|
660
|
-
|
495
|
|
50
|
60.3
|
57
|
64
|
|
700
|
711
|
720
|
521
|
|
65
|
76.1(73)
|
76
|
76
|
|
750
|
762
|
-
|
559
|
|
80
|
88.9
|
89
|
86
|
|
800
|
813
|
820
|
597
|
|
90
|
101.6
|
-
|
95
|
|
850
|
864
|
-
|
635
|
|
100
|
114.3
|
108
|
105
|
|
900
|
914
|
920
|
673
|
|
125
|
139.7
|
133
|
124
|
|
950
|
956
|
-
|
711
|
|
150
|
168.3
|
159
|
143
|
|
1000
|
1016
|
1020
|
749
|
|
200
|
319.1
|
219
|
178
|
|
1050
|
1067
|
-
|
762
|
711
|
|
250
|
273.0
|
273
|
216
|
|
1100
|
1118
|
1120
|
813
|
762
|
|
300
|
323.9
|
325
|
254
|
|
1150
|
1168
|
-
|
851
|
800
|
|
350
|
355.6
|
377
|
279
|
|
1200
|
1220
|
1220
|
889
|
838
|
|
400
|
406.4
|
426
|
305
|
|
|
|
|
|
|
