ASME B 16.5-2003 CLASS 2500
FLANGE THICKNESS
LTB
DRILLINE DATA
CLASS 2500
FLANGE OUTSIDE DIAMETER
THICKNESS OF FLANCE MIN
BOSSED LENGTH
WELD NECK LENGTH *
LAP JOINT LENGTH
LONG WELD NECK LENGTH
PITCH CIRCLE DIAMETER
BOLT HOLE DIAMETER
NUMBER OF BOLT HOLES
NOMINAL PIPE SIZE
OD
T & T1
L
L1
L2
L3
PCD
H
#
MM
INCH
135
30.2
47.0
80
40
229
88.9
22
4
15
1/2
140
31.8
50.0
86
43
229
95.2
22
4
20
3/4
160
35
55.0
96
48
229
108
26
4
25
1
185
38.1
59.0
102
52
229
130.2
29
4
32
1 1/4
205
44.5
67.0
118
60
229
146
32
4
40
1 1/2
235
50.9
77.0
134
70
229
171.4
29
8
50
2
265
57.2
86.0
150
79
229
196.8
32
8
65
2 1/2
305
66.7
175
92
229
228.6
35
8
80
3
355
76.2
197
108
305
273
42
8
100
4
420
92.1
235
130
305
323.8
48
8
125
5
485
108
280
152
305
368.3
54
8
150
6
550
127
324
178
305
438.2
54
12
200
8
675
165.1
426
229
406
539.8
67
12
250
10
760
184.2
471
254
406
619.1
73
12
300
12
NOTES:*Schedule of weld neck to be indicated.
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