Flanges
Dimensions Of Class 150 Flanges As Per B 16.5
|
Nominal Pipe Size(NPS)
|
Outside Dia of Flange 'C'
|
Thickness of Flange 'C'
|
Dia of Hub 'X'
|
Threaded Slip on socket Welding
|
Lapped
|
Weld Neck
|
Thread Length 'T'
|
Slip on socket Welding
|
Lapped
|
Weld Neck Socket Welding
|
Depth of socket
|
|---|---|---|---|---|---|---|---|---|---|---|---|
|
1/2"
|
88.9
|
11.2
|
30.226
|
15.748
|
15.748
|
47.752
|
15.748
|
22.352
|
22.86
|
15.748
|
9.652
|
|
3/4"
|
98.6
|
12.7
|
38.1
|
15.748
|
15.748
|
52.324
|
15.748
|
27.686
|
28.194
|
20.828
|
11.176
|
|
1"
|
108.0
|
14.2
|
49.276
|
17.526
|
17.526
|
55.626
|
17.526
|
34.544
|
35.052
|
26.67
|
12.7
|
|
1 1/4"
|
117.3
|
15.7
|
58.674
|
20.574
|
20.574
|
57.15
|
20.574
|
43.18
|
43.688
|
35.052
|
14.224
|
|
1 1/2"
|
127.3
|
17.5
|
65.024
|
22.352
|
22.352
|
61.976
|
22.352
|
49.53
|
50.038
|
40.894
|
15.748
|
|
2"
|
152.2
|
19.1
|
77.724
|
25.4
|
25.4
|
63.5
|
62.484
|
52.578
|
17.526
|
||
|
2 1/2"
|
177.8
|
22.4
|
90.424
|
28.448
|
28.448
|
69.85
|
28.448
|
74.676
|
75.438
|
62.738
|
19.05
|
|
3"
|
190.5
|
23.9
|
107.95
|
30.226
|
30.226
|
69.85
|
30.226
|
90.678
|
91.44
|
77.978
|
20.574
|
|
3 1/2"
|
215.9
|
23.9
|
122.174
|
31.75
|
31.75
|
71.374
|
31.75
|
103.378
|
104.14
|
90.17
|
....
|
|
4"
|
228.6
|
23.9
|
134.874
|
33.274
|
33.274
|
76.2
|
33.724
|
116.84
|
116.84
|
102.362
|
....
|
|
5"
|
254.0
|
23.9
|
163.576
|
36.576
|
36.576
|
88.9
|
36.576
|
143.764
|
144.526
|
128.27
|
....
|
|
279.4
|
25.4
|
192.24
|
39.624
|
39.624
|
88.9
|
39.624
|
170.688
|
171.45
|
154.178
|
....
|
|
|
8"
|
342.9
|
28.4
|
246.126
|
44.45
|
44.45
|
101.6
|
44.45
|
221.488
|
222.25
|
202.692
|
....
|
|
10"
|
406.4
|
30.2
|
304.8
|
49.276
|
49.276
|
101.6
|
49.276
|
276.352
|
277.368
|
254.508
|
....
|
|
12"
|
482.6
|
31.8
|
365.252
|
55.626
|
55.626
|
114.3
|
55.626
|
327.152
|
328.168
|
304.8
|
....
|
|
14"
|
533.4
|
35.1
|
400.05
|
57.15
|
79.248
|
127
|
57.15
|
359.156
|
360.172
|
|
....
|
|
16"
|
596.9
|
36.6
|
457.2
|
63.5
|
87.376
|
127
|
63.5
|
410.464
|
411.226
|
|
....
|
|
18"
|
635.0
|
40.1
|
504.952
|
68.326
|
96.774
|
139.7
|
68.326
|
461.772
|
462.28
|
To be
|
....
|
|
20"
|
698.5
|
42.9
|
558.8
|
73.152
|
103.124
|
144.526
|
73.152
|
513.08
|
514.35
|
specified by
|
....
|
|
24"
|
812.8
|
47.8
|
663.448
|
82.55
|
111.252
|
152.4
|
82.55
|
615.95
|
615.95
|
purchaser
|
....
|
Materials Chemical Composition & Mechanical Properties
