ASME B 16.5-2003 CLASS 150
CLASS 150
FLANGE THICKNESS
LTB
DRILLINE DATA
CLASS 150
NOMINAL PIPE SIZE
FLANGE OUTSIDE DIAMETER
THICKNESS OF FLANCE MIN
THICKNESS OF LAP 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
90
9.6
11.2
16
46
16
229
60.3
16
4
15
1/2
20
3/4
100
11.2
12.8
16
51
16
229
69.9
16
4
20
3/4
25
1
110
12.7
14.3
18
54
18
229
79.4
16
4
25
1
32
1 1/4
115
14.3
15.9
21
56
21
229
88.9
16
4
32
1 1/4
40
1 1/2
125
15.9
17.5
22
60
23
229
98.4
16
4
40
1 1/2
50
2
150
17.5
19.1
25
62
26
229
120.7
20
4
50
2
65
2 1/2
180
20.7
22.3
29
68
29
229
139.7
20
4
65
2 1/2
80
3
190
22.3
23.9
30
68
31
229
152.4
20
4
80
3
90
3 1/2
215
22.3
23.9
32
70
32
229
177.8
20
8
90
3 1/2
100
4
230
22.3
23.9
33
75
34
229
190.5
20
8
100
4
125
5
255
22.3
23.9
36
87
37
305
215.9
23
8
125
5
150
6
280
23.9
25.5
40
87
40
305
241.3
23
8
150
6
200
8
345
27
28.6
44
100
45
305
298.5
23
8
200
8
250
10
405
28.6
30.2
49
100
50
305
362
26
12
250
10
300
12
485
30.2
31.8
56
113
56
305
431.8
26
12
300
12
350
14
535
33.4
35
58
125
79
305
476.3
29
12
350
14
400
16
595
35
36.6
64
125
87
305
539.8
29
16
400
16
450
18
635
38.1
39.7
69
138
97
305
577.9
32
16
450
18
500
20
700
41.3
42.9
73
143
103
305
635
32
20
500
20
600
24
815
46.1
47.7
82
151
111
305
749.3
35
20
600
24
NOTES: *Schedule of weld neck to be indicated.
Comments