| |
|
DIMENSION OF CLASS 300 FLANGES AS PER
ANSI B 16.5
NOMINAL
PIPE
SIZE |
FLANGE
DIA |
Dia of
bolt
circle |
Dia of
bolt holes |
No of
Holes |
Thk of
Flange |
Dia
of
Hub |
Length through Hub |
Dia of
Bore |
Dia
of
R/F |
Depth of
socket |
| |
|
|
|
S/O&S/W |
W/N |
L/J |
S/O&S/W |
L/J |
| |
O |
A |
D |
C |
E |
Y |
Y |
Y |
B |
B |
R |
F |
| 15 |
88.9 |
60.3 |
15.9 |
4 |
11.1 |
30.2 |
15.09 |
47.6 |
15.9 |
22.3 |
22.9 |
34.9 |
9.5 |
| 20 |
98.4 |
69.8 |
15.9 |
4 |
12.7 |
38.1 |
15.9 |
52.4 |
15.9 |
27.7 |
28.2 |
42.9 |
11.1 |
| 25 |
107.9 |
79.4 |
15.9 |
4 |
14.3 |
49.2 |
17.5 |
55.6 |
17.5 |
34.5 |
35.0 |
50.8 |
12.7 |
| 32 |
117.5 |
88.9 |
15.9 |
4 |
15.9 |
58.7 |
20.6 |
57.1 |
20.6 |
43.2 |
43.7 |
63.5 |
14.3 |
| 40 |
127.0 |
98.4 |
15.9 |
4 |
17.5 |
65.1 |
22.2 |
61.9 |
22.2 |
49.5 |
50.0 |
73.0 |
15.9 |
| 50 |
152.4 |
120.6 |
19.0 |
4 |
19.0 |
77.8 |
25.4 |
63.5 |
25.4 |
62.0 |
62.5 |
92.1 |
17.5 |
| 65 |
177.8 |
139.7 |
19.0 |
4 |
22.2 |
90.5 |
28.6 |
69.8 |
28.6 |
74.7 |
75.4 |
104.8 |
19.0 |
| 80 |
190.5 |
152.4 |
19.0 |
4 |
23.8 |
107.9 |
30.2 |
69.8 |
30.2 |
90.7 |
91.4 |
127.0 |
20.6 |
| 100 |
228.6 |
190.5 |
19.0 |
8 |
23.8 |
134.9 |
33.3 |
76.2 |
33.3 |
116.1 |
116.8 |
157.2 |
23.8 |
| 125 |
254.0 |
215.9 |
22.2 |
8 |
23.8 |
163.5 |
36.5 |
88.9 |
36.5 |
143.8 |
144.5 |
185.7 |
23.8 |
| 150 |
279.4 |
241.3 |
22.2 |
8 |
25.4 |
192.1 |
39.7 |
88.9 |
39.7 |
170.7 |
171.4 |
215.9 |
27.0 |
| 200 |
342.9 |
298.4 |
22.2 |
8 |
28.6 |
246.1 |
44.4 |
101.6 |
44.4 |
221.5 |
222.2 |
269.9 |
31.7 |
| 250 |
406.4 |
361.9 |
25.4 |
12 |
30.2 |
304.8 |
49.2 |
101.6 |
49.2 |
276.3 |
277.4 |
323.8 |
33.3 |
| 300 |
482.6 |
431.8 |
25.4 |
12 |
31.8 |
365.1 |
55.6 |
114.3 |
55.6 |
327.1 |
328.2 |
381.0 |
39.7 |
| 350 |
533.4 |
476.2 |
28.6 |
12 |
34.9 |
400.0 |
57.1 |
127.0 |
79.4 |
359.1 |
360.2 |
412.7 |
41.3 |
| 400 |
596.9 |
539.7 |
28.6 |
16 |
36.5 |
457.2 |
63.5 |
127.0 |
87.3 |
410.5 |
411.2 |
469.9 |
44.4 |
| 450 |
635.0 |
577.8 |
31.7 |
16 |
39.7 |
504.8 |
68.3 |
139.7 |
96.8 |
461.8 |
462.3 |
533.4 |
49.2 |
| 500 |
698.5 |
635.0 |
31.7 |
20 |
42.9 |
558.8 |
73.0 |
144.5 |
103.2 |
513.1 |
514.3 |
584.2 |
54.0 |
| 600 |
812.8 |
749.3 |
34.9 |
20 |
47.6 |
663.6 |
82.5 |
152.4 |
111.1 |
615.9 |
615.9 |
692.1 |
63.5 |
|
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