ASME B 16.5-2003 CLASS 400
CLASS 400
FLANGE THICKNESS
LTB
DRILLINE DATA
CLASS 400
NOMINAL PIPE SIZE
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
MM
INCH
OD
T & T1
L
L1
L2
L3
PCD
H
#
MM
INCH
15
1/2
95
14.3
29
59
22
229
66.7
16
4
15
1/2
20
3/4
115
15.9
32
64
25
229
82.6
20
4
20
3/4
25
1
125
17.5
34
69
27
229
88.9
20
4
25
1
32
1 1/4
135
20.7
36
74
29
229
98.4
20
4
32
1 1/4
40
1 1/2
155
22.3
39
77
32
229
114.3
22
4
40
1 1/2
50
2
165
25.4
44
80
37
229
127
20
8
50
2
65
2 1/2
190
28.6
48
86
41
229
149.2
22
8
65
2 1/2
80
3
210
31.8
53
90
46
229
168.3
22
8
80
3
90
3 1/2
230
35
56
93
49
229
184.2
26
8
90
3 1/2
100
4
255
35
58
96
51
229
200
26
8
100
4
125
5
280
38.1
61
109
54
305
235
26
8
125
5
150
6
320
41.3
64
110
57
305
269.9
26
12
150
6
200
8
380
47.7
75
124
68
305
330
30
12
200
8
250
10
445
54
80
131
102
305
387.5
32
16
250
10
300
12
520
57.2
86
144
108
305
450.8
35
16
300
12
350
14
585
60.4
91
156
117
305
514.4
35
20
350
14
400
16
650
63.5
101
159
127
305
571.5
38
20
400
16
450
18
710
66.7
105
172
137
305
628.6
38
24
450
18
500
20
775
69.9
109
175
146
305
685.8
42
24
500
20
600
24
915
76.2
121
182
159
305
812.8
48
24
600
24
NOTES:*Schedule of weld neck to be indicated.
Comments