BS 10 Table F Flange Dimensions and Technical Drawing
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BS 10 Table F Flange Dimensions
Dimensions in MM
| NB Sizes In |
D |
K |
L |
A |
C |
N1 |
N2 |
B |
H1 |
H2 |
R1 |
R2 |
HOLES |
| Inches |
Millimeter |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ½” |
15 |
95.3 |
66.8 |
14.5 |
21.3 |
6.4 |
27.0 |
33.3 |
22.4 |
9.5 |
22.2 |
6.4 |
1.6 |
4 |
| ¾” |
20 |
101.6 |
73.2 |
14.5 |
26.7 |
6.4 |
33.3 |
38.1 |
27.7 |
11.1 |
22.2 |
6.4 |
1.6 |
4 |
| 1″ |
25 |
114.3 |
82.6 |
14.5 |
33.5 |
7.2 |
42.9 |
47.6 |
34.6 |
11.1 |
22.2 |
6.4 |
1.6 |
4 |
| 1 ¼” |
32 |
120.7 |
87.4 |
14.5 |
42.2 |
7.9 |
49.2 |
55.6 |
43.2 |
11.1 |
25.4 |
6.4 |
1.6 |
4 |
| 1 ½” |
40 |
133.4 |
98.6 |
14.5 |
48.3 |
8.7 |
58.7 |
61.9 |
49.5 |
12.7 |
28.6 |
6.4 |
1.6 |
4 |
| 2″ |
50 |
152.4 |
114.3 |
17.5 |
60.5 |
9.5 |
69.9 |
74.6 |
62.0 |
12.7 |
28.6 |
6.4 |
1.6 |
4 |
| 2 ½” |
65 |
165.1 |
127.0 |
17.5 |
73.2 |
10.3 |
82.6 |
90.5 |
74.7 |
15.9 |
31.8 |
6.4 |
1.6 |
4 |
| 3″ |
80 |
184.2 |
146.1 |
17.5 |
88.9 |
11.1 |
101.6 |
106.4 |
90.7 |
15.9 |
34.9 |
6.4 |
1.6 |
4 |
| 3 ½” |
88 |
203.2 |
165.1 |
17.5 |
101.6 |
11.9 |
114.3 |
119.1 |
103.4 |
17.5 |
34.9 |
6.4 |
1.6 |
4 |
| 4″ |
100 |
215.9 |
177.8 |
17.5 |
114.3 |
12.7 |
130.2 |
133.4 |
116.1 |
19.1 |
41.3 |
9.5 |
3.2 |
4 |
| 5″ |
125 |
254.0 |
209.6 |
17.5 |
141.2 |
14.3 |
152.4 |
160.3 |
143.8 |
19.1 |
44.5 |
9.5 |
3.2 |
8 |
| 6″ |
150 |
279.4 |
235.0 |
17.5 |
168.4 |
17.5 |
184.2 |
185.7 |
171.7 |
19.1 |
47.6 |
9.5 |
3.2 |
8 |
| 8″ |
200 |
336.6 |
292.1 |
17.5 |
219.2 |
19.1 |
241.3 |
241.3 |
221.5 |
22.2 |
50.8 |
9.5 |
3.2 |
8 |
| 10″ |
250 |
406.4 |
355.6 |
22.2 |
273.1 |
22.2 |
292.1 |
298.5 |
276.4 |
27.0 |
63.5 |
9.5 |
3.2 |
8 |
| 12″ |
300 |
457.2 |
406.4 |
22.2 |
323.9 |
25.4 |
342.9 |
349.3 |
325.9 |
28.6 |
69.9 |
9.5 |
4.8 |
12 |
| 14″ |
350 |
527.1 |
469.9 |
25.4 |
355.6 |
28.6 |
406.4 |
– |
359.2 |
– |
73.0 |
9.5 |
4.8 |
12 |
| 16″ |
400 |
577.9 |
520.7 |
25.4 |
406.4 |
31.8 |
431.8 |
– |
410.5 |
– |
– |
– |
– |
12 |
| 18″ |
450 |
641.4 |
584.2 |
25.4 |
457.2 |
34.9 |
– |
– |
461.8 |
– |
– |
– |
– |
12 |
| 20″ |
500 |
704.9 |
641.4 |
25.4 |
508.0 |
38.1 |
– |
– |
513.1 |
– |
– |
– |
– |
16 |
| 24″ |
600 |
825.5 |
755.7 |
28.7 |
609.6 |
47.6 |
– |
– |
616.0 |
– |
– |
– |
– |
16 |
BS 10 Table F Flange Industries and Applications
Widely used in the industries
- Pumps, Valves, and vessels in manufacturing and food processing.
- Pipe connections in industrial waterworks.
- Heat exchangers and heating systems of all sizes.
- Mining support.
- Nuclear power systems.
- Plumbing and mechanical systems.
- Assemblies in the oil, gas, and petrochemical industries.
- Fire protection systems.
BS 10 Table F Flange Supply and Export Network
List of Cities and Countries
