BS 4504 Flange Facing Dimensions, Technical Drawings.
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BS 4504 Flange Facing Dimensions
Dimensions and flange facing types A to H
| DN |
A
mm |
ย |
ย |
ย |
Face Dimensions |
ย |
ย |
ย |
| PN 2.5 |
PN 6 |
PN 10 |
PN 16 |
PN 25 |
PN 40 |
B
mm |
C
mm |
D
mm |
E
mm |
a
mm |
b
mm |
c
mm |
d mm |
ฮฑmm |
e
mm |
| 10 |
35 |
35 |
40 |
40 |
40 |
40 |
34 |
35 |
24 |
23 |
2 |
4 |
3 |
2 |
โ |
5 |
| 15 |
40 |
40 |
45 |
45 |
45 |
45 |
39 |
40 |
29 |
28 |
2 |
4 |
3 |
2 |
โ |
5 |
| 20 |
50 |
50 |
58 |
58 |
58 |
58 |
50 |
51 |
36 |
35 |
2 |
4 |
3 |
2 |
41ยฐ16โฒ |
5 |
| 25 |
60 |
60 |
68 |
68 |
68 |
68 |
57 |
58 |
43 |
42 |
2 |
4 |
3 |
2 |
41ยฐ16โฒ |
5 |
| 32 |
70 |
70 |
78 |
78 |
78 |
78 |
65 |
66 |
51 |
50 |
2 |
4 |
3 |
2 |
41ยฐ16โฒ |
5 |
| 40 |
80 |
80 |
88 |
88 |
88 |
88 |
75 |
76 |
61 |
60 |
3 |
4 |
3 |
2 |
41ยฐ16โฒ |
5 |
| 50 |
90 |
90 |
102 |
102 |
102 |
102 |
87 |
88 |
73 |
72 |
3 |
4 |
3 |
2 |
41ยฐ16โฒ |
5 |
| 65 |
110 |
110 |
122 |
122 |
122 |
122 |
109 |
110 |
95 |
94 |
3 |
4 |
3 |
2 |
41ยฐ16โฒ |
5 |
| 80 |
128 |
128 |
138 |
138 |
138 |
138 |
120 |
121 |
106 |
105 |
3 |
4 |
3 |
2 |
41ยฐ16โฒ |
5 |
| 100 |
148 |
148 |
158 |
158 |
162 |
162 |
149 |
150 |
129 |
128 |
3 |
4.5 |
3.5 |
2.5 |
32ยฐ15โฒ |
6 |
| 125 |
178 |
178 |
188 |
188 |
188 |
188 |
175 |
176 |
155 |
154 |
3 |
4.5 |
3.5 |
2.5 |
32ยฐ15โฒ |
6 |
| 150 |
202 |
202 |
212 |
212 |
218 |
218 |
203 |
204 |
183 |
182 |
3 |
4.5 |
3.5 |
2.5 |
32ยฐ15โฒ |
6 |
| 200 |
258 |
258 |
268 |
268 |
278 |
285 |
259 |
260 |
239 |
238 |
3 |
4.5 |
3.5 |
2.5 |
32ยฐ15โฒ |
6 |
| 250 |
312 |
312 |
320 |
320 |
335 |
345 |
312 |
313 |
292 |
291 |
3 |
4.5 |
3.5 |
2.5 |
32ยฐ15โฒ |
6 |
| 300 |
365 |
365 |
370 |
378 |
395 |
410 |
363 |
364 |
343 |
342 |
4 |
4.5 |
3.5 |
2.5 |
32ยฐ15โฒ |
6 |
| 350 |
415 |
415 |
430 |
438 |
450 |
465 |
421 |
422 |
395 |
394 |
4 |
5 |
4 |
3 |
27ยฐ24โฒ |
7 |
| 400 |
465 |
465 |
482 |
490 |
505 |
535 |
473 |
474 |
447 |
446 |
4 |
5 |
4 |
3 |
27ยฐ24โฒ |
7 |
| 450 |
520 |
520 |
532 |
550 |
555 |
560 |
523 |
524 |
497 |
496 |
4 |
5 |
4 |
3 |
27ยฐ24โฒ |
7 |
| 500 |
570 |
570 |
585 |
610 |
615 |
615 |
575 |
576 |
549 |
548 |
4 |
5 |
4 |
3 |
27ยฐ24โฒ |
7 |
| 600 |
670 |
670 |
685 |
725 |
720 |
735 |
675 |
676 |
649 |
648 |
5 |
5 |
4 |
3 |
27ยฐ24โฒ |
7 |
| 700 |
775 |
775 |
800 |
795 |
820 |
โ |
777 |
778 |
751 |
750 |
5 |
5 |
4 |
3 |
27ยฐ24โฒ |
7 |
| 800 |
880 |
880 |
905 |
900 |
930 |
โ |
882 |
883 |
856 |
855 |
5 |
5 |
4 |
3 |
27ยฐ24โฒ |
7 |
| 900 |
980 |
980 |
1005 |
1000 |
1030 |
โ |
987 |
988 |
961 |
960 |
5 |
5 |
4 |
3 |
27ยฐ24โฒ |
7 |
| 1000 |
1080 |
1080 |
1110 |
1115 |
1140 |
โ |
1092 |
1094 |
1062 |
1060 |
5 |
6 |
5 |
4 |
28ยฐ39โฒ |
8 |
| 1200 |
1280 |
1295 |
1330 |
1330 |
1350 |
โ |
1292 |
1294 |
1262 |
1260 |
5 |
6 |
5 |
4 |
28ยฐ39โฒ |
8 |
| 1400 |
1480 |
1510 |
1535 |
1530 |
1560 |
โ |
1492 |
1494 |
1462 |
1460 |
5 |
6 |
5 |
4 |
28ยฐ39โฒ |
8 |
| 1600 |
1690 |
1710 |
1760 |
1750 |
1780 |
โ |
1692 |
1694 |
1662 |
1660 |
5 |
6 |
5 |
4 |
28ยฐ39โฒ |
8 |
| 1800 |
1890 |
1920 |
1960 |
1950 |
1985 |
โ |
1982 |
1894 |
1862 |
1860 |
5 |
6 |
5 |
4 |
28ยฐ39โฒ |
8 |
| 2000 |
2090 |
2125 |
2170 |
2150 |
2210 |
โ |
2092 |
2094 |
2062 |
2060 |
5 |
6 |
5 |
4 |
28ยฐ39โฒ |
8 |
BS 4504 Flange Facing 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 4504 Flange Facing Supply and Export Network
List of Cities and Countries
