|
25BAR |
DIN 2544 Slip-On Flanges |
| DIN 2527 Blind Flanges |
| DIN 2634 Welding Neck Flanges |
 |
BORE |
COMMON DIMENSION |
HUB |
RAISED FACE |
DRILLING |
NOMINAL BORE |
d1 |
D |
t |
k |
T |
d3 |
s |
r |
a~ |
d4 |
f |
NUMBER OF BOLT |
DIA. BOLT d2 |
welding neck |
slip-on(NO-HUB) |
blind |
10 |
14 17.2 *) |
90 |
16 |
16 |
16 |
60 |
35 |
25 28 |
1.8 |
4 |
6 |
40 |
2 |
4 |
M12 |
(1/2") |
14 |
15 |
2021.3 *) |
95 |
16 |
16 |
16 |
65 |
38 |
30 32 |
2.0 |
4 |
6 |
45 |
2 |
4 |
M12 |
(1/2") |
14 |
20 |
25 26.9 *) |
105 |
18 |
18 |
18 |
75 |
40 |
38 40? |
2.3 |
4 |
6 |
58 |
2 |
4 |
M12 |
(1/2") |
14 |
25 |
30 33.7 *) |
115 |
18 |
18 |
18 |
85 |
40 |
42 46 |
2.6 |
4 |
6 |
68 |
2 |
4 |
M12 |
(1/2") |
14 |
32 |
38 42.4 *) |
140 |
18 |
18 |
18 |
100 |
42 |
52 56 |
2.6 |
6 |
6 |
78 |
2 |
4 |
M16 |
(5/8") |
18 |
40 |
44.5 48.3 *) |
150 |
18 |
18 |
18 |
110 |
45 |
60 64 |
2.6 |
6 |
7 |
88 |
3 |
4 |
M16 |
(5/8") |
18 |
50 |
57 60.3 *) |
165 |
20 |
20 |
20 |
125 |
48 |
72 75 |
2.9 |
6 |
8 |
102 |
3 |
4 |
M16 |
(5/8") |
18 |
65 |
76.1 *) |
185 |
22 |
22 |
22 |
145 |
52 |
90 |
2.9 |
6 |
10 |
122 |
3 |
8 |
M16 |
(5/8") |
18 |
80 |
88.9 *) |
200 |
24 |
24 |
24 |
160 |
58 |
105 |
3.2 |
8 |
12 |
138 |
3 |
8 |
M16 |
(5/8") |
15 |
100 |
108 114.3 *) |
235 |
24 |
24 |
24 |
190 |
65 |
128 134 |
3.6 |
8 |
12 |
162 |
3 |
8 |
M20 |
(3/4") |
23 |
125 |
133 139.7 *) |
270 |
26 |
26 |
26 |
220 |
68 |
155 162 |
4.0 |
8 |
12 |
188 |
3 |
8 |
M24 |
(7/8") |
27 |
150 |
159 168.3 *) |
300 |
28 |
28 |
28 |
250 |
75 |
182 192 |
4.5 |
10 |
12 |
218 |
3 |
8 |
M24 |
(7/8") |
27 |
200 |
216 219.1 *) |
360 |
30 |
30 |
30 |
310 |
80 |
240 244 |
6.3 |
10 |
16 |
278 |
3 |
12 |
M24 |
(7/8") |
27 |
250 |
267 273 *) |
425 |
32 |
32 |
32 |
370 |
88 |
292 298 |
7.1 |
12 |
18 |
335 |
3 |
12 |
M27 |
(1") |
30 |
300 |
318 323.9 *) |
485 |
34 |
34 |
34 |
430 |
92 |
345 352 |
8.0 |
12 |
18 |
395 |
4 |
16 |
M27 |
(1") |
30 |
350 |
355.6 *) 368 |
555 |
38 |
38 |
38 |
490 |
100 |
398 |
8.0 |
12 |
20 |
450 |
4 |
16 |
M30 |
(1-1/8") |
33 |
400 |
406.4 *) 419 |
620 |
40 |
40 |
40 |
550 |
110 |
452 |
8.8 |
12 |
20 |
505 |
4 |
16 |
M33 |
(1-1/4") |
36 |
500 |
508*) 521 |
730 |
44 |
44 |
44 |
660 |
125 |
558 |
10.0 |
12 |
20 |
615 |
4 |
20 |
M33 |
(1-1/4") |
36 |
600 |
609.6 *) 622 |
845 |
46 |
|
|
770 |
125 |
660 |
11.0 |
12 |
20 |
720 |
5 |
20 |
M36 |
(1-3/8") |
39 |
700 |
711.2 *) 720 |
960 |
46 |
|
|
875 |
125 |
760 |
12.5 |
12 |
20 |
820 |
5 |
24 |
M39 |
(1-1/2") |
42 |
800 |
812.8 *) 820 |
1085 |
50 |
|
|
990 |
135 |
865 |
14.2 |
12 |
22 |
930 |
5 |
24 |
M45 |
(1-3/4") |
48 |
900 |
914.4 *) 930 |
1185 |
54 |
|
|
1090 |
145 |
968 |
16.0 |
12 |
24 |
1030 |
5 |
28 |
M45 |
(1-3/4") |
48 |
1000 |
1016 *) 1020 |
1320 |
58 |
|
|
1210 |
155 |
1070 |
17.5 |
16 |
24 |
1140 |
5 |
28 |
M52 |
(2") |
56 |
|
|