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| GOST 12820-80 |
| Steel plane welded flanges |
| Nomencatlure |
Dimensions, mm |
Weight, Kg |
| D |
D1 |
D2 |
d1 |
b |
h |
n, Number of holes |
d |
| Pnom = 0,6 MPa (6 kgf/cm2) |
| 1-10-6 |
75 |
50 |
35 |
15 |
10 |
2 |
4 |
11 |
0.31 |
| 1-15-6 |
80 |
55 |
40 |
19 |
10 |
2 |
4 |
11 |
0.33 |
| 1-20-6 |
90 |
65 |
50 |
26 |
12 |
2 |
4 |
11 |
0.53 |
| 1-25-6 |
100 |
75 |
60 |
33 |
12 |
2 |
4 |
11 |
0.64 |
| 1-32-6 |
120 |
90 |
70 |
39 |
13 |
2 |
4 |
14 |
1.01 |
| 1-40-6 |
130 |
100 |
80 |
46 |
13 |
3 |
4 |
14 |
1.21 |
| 1-50-6 |
140 |
110 |
90 |
59 |
13 |
3 |
4 |
14 |
1.33 |
| 1-65-6 |
160 |
130 |
110 |
78 |
13 |
3 |
4 |
14 |
1.63 |
| 1-80-6 |
185 |
150 |
128 |
91 |
15 |
3 |
4 |
18 |
2.44 |
| 1-100-6 |
205 |
170 |
148 |
110 |
15 |
3 |
4 |
18 |
2.85 |
| 1-125-6 |
235 |
200 |
178 |
135 |
17 |
3 |
8 |
18 |
3.88 |
| 1-150-6 |
260 |
225 |
202 |
161 |
17 |
3 |
8 |
18 |
4.39 |
| 1-175-6 |
290 |
255 |
232 |
196 |
19 |
3 |
8 |
18 |
5.36 |
| 1-200-6 |
315 |
280 |
258 |
222 |
19 |
3 |
8 |
18 |
5.89 |
| 1-225-6 |
340 |
305 |
282 |
245 |
19 |
3 |
8 |
18 |
6.6 |
| 1-250-6 |
370 |
335 |
312 |
273 |
20 |
3 |
12 |
18 |
7.67 |
| 1-300-6 |
435 |
395 |
365 |
325 |
20 |
4 |
12 |
22 |
10.28 |
| 1-350-6 |
485 |
445 |
415 |
377 |
22 |
4 |
12 |
22 |
12.58 |
| 1-400-6 |
535 |
495 |
465 |
426 |
24 |
4 |
16 |
22 |
15.2 |
| 1-450-6 |
590 |
550 |
520 |
480 |
24 |
4 |
16 |
22 |
17.25 |
| 1-500-6 |
640 |
600 |
570 |
530 |
25 |
4 |
16 |
22 |
19.72 |
| 1-600-6 |
755 |
705 |
670 |
630 |
25 |
5 |
20 |
26 |
26.24 |
| 1-700-6 |
860 |
810 |
775 |
720 |
27 |
5 |
24 |
26 |
36.68 |
| 1-800-6 |
975 |
920 |
880 |
820 |
27 |
5 |
24 |
30 |
46.14 |
| 1-900-6 |
1075 |
1020 |
980 |
920 |
29 |
5 |
24 |
30 |
55.1 |
| 1-1000-6 |
1175 |
1120 |
1080 |
1020 |
31 |
5 |
28 |
30 |
64.36 |
| 1-1200-6 |
1400 |
1340 |
1295 |
1220 |
34 |
5 |
32 |
33 |
99.03 |
| Nomencatlure |
Dimensions, mm |
Weight, Kg |
| D |
D1 |
D2 |
d1 |
b |
h |
n, Number of holes |
d |
| Pnom = 1,0 MPa (10 kgf/cm2) |
| 1-10-10 |
90 |
60 |
42 |
15 |
10 |
2 |
4 |
14 |
0.46 |
| 1-15-10 |
95 |
65 |
47 |
19 |
10 |
2 |
4 |
14 |
0.51 |
| 1-20-10 |
105 |
75 |
58 |
26 |
12 |
2 |
4 |
14 |
0.74 |
| 1-25-10 |
115 |
85 |
68 |
33 |
12 |
2 |
4 |
14 |
0.89 |
| 1-32-10 |
135 |
100 |
78 |
39 |
14 |
2 |
4 |
18 |
1.4 |
| 1-40-10 |
145 |
110 |
88 |
46 |
15 |
3 |
4 |
18 |
1.71 |
| 1-50-10 |
160 |
125 |
102 |
59 |
15 |
3 |
4 |
18 |
2.06 |
| 1-65-10 |
180 |
145 |
122 |
78 |
17 |
3 |
4 |
18 |
2.8 |
| 1-80-10 |
195 |
160 |
133 |
91 |
17 |
3 |
4 |
18 |
3.19 |
| 1-100-10 |
215 |
180 |
158 |
110 |
19 |
3 |
8 |
18 |
3.96 |
| 1-125-10 |
245 |
210 |
184 |
135 |
21 |
3 |
8 |
18 |
5.4 |
| 1-150-10 |
280 |
240 |
212 |
161 |
21 |
3 |
8 |
22 |
6.62 |
| 1-175-10 |
310 |
270 |
242 |
196 |
21 |
3 |
8 |
22 |
7.32 |
| 1-200-10 |
335 |
295 |
268 |
222 |
21 |
3 |
8 |
22 |
8.05 |
| 1-225-10 |
365 |
325 |
295 |
245 |
21 |
3 |
8 |
22 |
9.3 |
| 1-250-10 |
390 |
350 |
320 |
273 |
23 |
3 |
12 |
22 |
10.65 |
| 1-300-10 |
440 |
400 |
370 |
325 |
24 |
4 |
12 |
22 |
12.9 |
| 1-350-10 |
500 |
460 |
430 |
377 |
24 |
4 |
16 |
22 |
15.85 |
| 1-400-10 |
565 |
515 |
482 |
426 |
26 |
4 |
16 |
26 |
21.56 |
| 1-450-10 |
615 |
565 |
532 |
480 |
26 |
4 |
20 |
26 |
22.76 |
| 1-500-10 |
670 |
620 |
585 |
530 |
28 |
4 |
20 |
26 |
22.7 |
| 1-600-10 |
780 |
725 |
685 |
630 |
31 |
5 |
20 |
30 |
39.4 |
| 1-700-10 |
895 |
840 |
800 |
720 |
34 |
5 |
24 |
30 |
59.46 |
| 1-800-10 |
1010 |
950 |
905 |
820 |
37 |
5 |
24 |
33 |
79.16 |
| 1-900-10 |
1110 |
1050 |
1005 |
920 |
40 |
5 |
28 |
33 |
94.13 |
| 1-1000-10 |
1220 |
1160 |
1110 |
1020 |
43 |
5 |
28 |
33 |
118.43 |
| 1-1200-10 |
1455 |
1380 |
1330 |
1222 |
51 |
5 |
32 |
39 |
197.44 |
| Nomencatlure |
Dimensions, mm |
Weight, Kg |
| D |
D1 |
D2 |
d1 |
b |
h |
n, Number of holes |
d |
| Pnom = 1,6 MPa (16 kgf/cm2) |
| 1-10-16 |
90 |
60 |
42 |
15 |
12 |
2 |
4 |
14 |
0.54 |
| 1-15-16 |
95 |
65 |
47 |
19 |
12 |
2 |
4 |
14 |
0.61 |
| 1-20-16 |
105 |
75 |
58 |
26 |
14 |
2 |
4 |
14 |
0.86 |
| 1-25-16 |
115 |
85 |
68 |
33 |
16 |
2 |
4 |
14 |
1.17 |
| 1-32-16 |
135 |
100 |
78 |
39 |
16 |
2 |
4 |
18 |
1.58 |
| 1-40-16 |
145 |
110 |
88 |
46 |
17 |
3 |
4 |
18 |
1.96 |
| 1-50-16 |
160 |
125 |
102 |
59 |
19 |
3 |
4 |
18 |
2.58 |
| 1-65-16 |
180 |
145 |
122 |
78 |
21 |
3 |
4 |
18 |
3.42 |
| 1-80-16 |
195 |
160 |
133 |
91 |
21 |
3 |
4 |
18 |
3.71 |
| 1-100-16 |
215 |
180 |
158 |
110 |
23 |
3 |
8 |
18 |
4.73 |
| 1-125-16 |
245 |
210 |
184 |
135 |
25 |
3 |
8 |
18 |
6.38 |
| 1-150-16 |
280 |
240 |
212 |
161 |
25 |
3 |
8 |
22 |
7.81 |
| 1-175-16 |
310 |
270 |
242 |
196 |
25 |
3 |
8 |
22 |
8.64 |
| 1-200-16 |
335 |
395 |
268 |
222 |
27 |
3 |
12 |
22 |
10.1 |
| 1-225-16 |
365 |
325 |
295 |
245 |
27 |
3 |
12 |
22 |
11.7 |
| 1-250-16 |
405 |
355 |
320 |
273 |
28 |
3 |
12 |
26 |
14.49 |
| 1-300-16 |
460 |
410 |
370 |
325 |
28 |
4 |
12 |
26 |
17.78 |
| 1-350-16 |
520 |
470 |
430 |
377 |
30 |
4 |
16 |
26 |
22.88 |
| 1-400-16 |
580 |
525 |
482 |
426 |
34 |
4 |
16 |
30 |
31 |
| 1-450-16 |
640 |
585 |
532 |
480 |
38 |
4 |
20 |
30 |
39.64 |
| 1-500-16 |
710 |
650 |
585 |
530 |
44 |
4 |
20 |
33 |
57.01 |
| 1-600-16 |
840 |
770 |
685 |
630 |
45 |
5 |
20 |
39 |
80.03 |
| 1-700-16 |
910 |
840 |
800 |
720 |
47 |
5 |
24 |
39 |
84.21 |
| 1-800-16 |
1020 |
950 |
905 |
820 |
49 |
5 |
24 |
39 |
104.41 |
| 1-900-16 |
1120 |
1050 |
1005 |
920 |
54 |
5 |
28 |
39 |
128.6 |
| 1-1000-16 |
1255 |
1170 |
1110 |
1020 |
58 |
5 |
28 |
45 |
179.37 |
| 1-1200-16 |
1485 |
1390 |
1330 |
1220 |
71 |
5 |
32 |
52 |
297.78 |
| Nomencatlure |
Dimensions, mm |
Weight, Kg |
| D |
D1 |
D2 |
d1 |
b |
h |
n, Number of holes |
d |
| Pnom = 2,5 MPa (25 kgf/cm2) |
| 1-10-25 |
90 |
60 |
42 |
15 |
14 |
2 |
4 |
14 |
0.63 |
| 1-15-25 |
105 |
65 |
47 |
19 |
14 |
2 |
4 |
14 |
0.7 |
| 1-20-25 |
105 |
75 |
58 |
26 |
16 |
2 |
4 |
14 |
0.98 |
| 1-25-25 |
115 |
85 |
68 |
33 |
16 |
2 |
4 |
14 |
1.17 |
| 1-32-25 |
135 |
100 |
78 |
39 |
18 |
2 |
4 |
18 |
1.77 |
| 1-40-25 |
115 |
110 |
88 |
46 |
19 |
3 |
4 |
18 |
2.18 |
| 1-50-25 |
160 |
125 |
102 |
59 |
21 |
3 |
4 |
18 |
2.71 |
| 1-65-25 |
180 |
145 |
122 |
78 |
21 |
3 |
8 |
18 |
3.22 |
| 1-80-25 |
195 |
160 |
133 |
91 |
23 |
3 |
8 |
18 |
4.06 |
| 1-100-25 |
230 |
190 |
158 |
110 |
25 |
3 |
8 |
22 |
5.92 |
| 1-125-25 |
270 |
220 |
184 |
135 |
27 |
3 |
8 |
26 |
8.26 |
| 1-150-25 |
300 |
250 |
212 |
161 |
27 |
3 |
8 |
26 |
10.12 |
| 1-175-25 |
330 |
280 |
242 |
196 |
29 |
3 |
12 |
26 |
11.49 |
| 1-200-25 |
360 |
310 |
278 |
222 |
29 |
3 |
12 |
26 |
13.34 |
| 1-225-25 |
395 |
340 |
305 |
245 |
31 |
3 |
12 |
30 |
16.93 |
| 1-250-25 |
425 |
370 |
335 |
273 |
31 |
3 |
12 |
30 |
18.9 |
| 1-300-25 |
485 |
430 |
390 |
325 |
32 |
4 |
16 |
30 |
23.95 |
| 1-350-25 |
550 |
490 |
450 |
377 |
38 |
4 |
16 |
33 |
34.35 |
| 1-400-25 |
610 |
550 |
505 |
426 |
40 |
4 |
16 |
33 |
44.62 |
| 1-450-25 |
660 |
600 |
555 |
480 |
44 |
4 |
20 |
33 |
51.8 |
| 1-500-25 |
730 |
660 |
615 |
530 |
48 |
4 |
20 |
39 |
67.3 |
| 1-600-25 |
840 |
770 |
720 |
630 |
49 |
5 |
20 |
39 |
90.87 |
| 1-700-25 |
960 |
875 |
820 |
720 |
55 |
5 |
24 |
45 |
126.82 |
| 1-800-25 |
1075 |
990 |
930 |
820 |
63 |
5 |
24 |
45 |
181.43 |
|