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DIN FLANGE DIN 2527
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Blind Flange
Nominal Pressure 6 to 40
Scope of Application
(Dimensions in mm)
| Nominal Pressure 6 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Flange | Raised Face | Drilling | Approx. Weight (7.85 kg/dm3) for |
||||||||||||
| D | b | k | d4 | f | Number of Holes |
Bolt Diameter | d2 | Form B kg | Form C kg | |||||||
| 10 15 20 |
75 80 90 |
12 12 14 |
50 55 65 |
35 40 50 |
2 2 2 |
4 4 4 |
M10 M10 M10 |
- - - |
11.5 11.5 11.5 |
0.38 0.44 0.65 |
0.33 0.38 0.59 |
|||||
| 25 32 40 |
100 120 130 |
14 14 14 |
75 90 100 |
60 70 80 |
2 2 3 |
4 4 4 |
M10 M12 M12 |
- (1/2") (1/2") |
11.5 14 14 |
0.82 1.17 1.39 |
0.74 1.07 1.21 |
|||||
| 50 65 80 |
140 160 190 |
14 14 16 |
110 130 150 |
90 110 128 |
3 3 3 |
4 4 4 |
M12 M12 M16 |
(1/2") (1/2") (5/8") |
14 14 18 |
1.62 2.44 3.43 |
1.43 2.21 3.09 |
|||||
| 100 125 150 |
210 240 265 |
16 18 18 |
170 200 225 |
148 178 202 |
3 3 3 |
4 8 8 |
M16 M16 M16 |
(5/8") (5/8") (5/8") |
18 18 18 |
4.76 6.11 7.51 |
4.37 5.68 7.02 |
|||||
| (175) 200 250 |
295 320 375 |
20 20 22 |
255 280 335 |
232 258 312 |
3 3 3 |
8 8 12 |
M16 M16 M16 |
(5/8") (5/8") (5/8") |
18 18 18 |
10.4 12.3 18.3 |
9.85 11.7 17.6 |
|||||
| 300 350 400 |
440 490 540 |
22 22 22 |
395 445 495 |
365 415 465 |
4 4 4 |
12 12 16 |
M20 M20 M20 |
(3/4") (3/4") (3/4") |
23 23 23 |
25.3 31.6 38.4 |
24.0 30.1 36.4 |
|||||
| 500 | 645 | 24 | 600 | 570 | 4 | 20 | M20 | (3/4") | 23 | 60.4 | 58.1 | |||||
| Nominal Pressure 10 | ||||||||||||||||
| 200 250 300 |
340 395 445 |
24 26 26 |
295 350 400 |
268 320 370 |
3 3 4 |
8 12 12 |
M20 M20 M20 |
(3/4") (3/4") (3/4") |
23 23 23 |
16.5 24.0 30.9 |
15.6 23.1 29.4 |
|||||
| 350 400 500 |
505 565 670 |
26 26 28 |
460 515 620 |
430 482 585 |
4 4 4 |
16 16 20 |
M20 M24 M24 |
(3/4") (7/8") (7/8") |
23 27 27 |
40.6 49.4 75.0 |
38.0 47.5 72.7 |
|||||
| Nominal Pressure 16 *) 4 bolts for nominal pressure 10, DIN 2527 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Flange | Raised Face | Drilling | Approx. Weight (7.85 kg/dm3) for |
|||||||
| D | b | k | d4 | f | Number of Holes |
Bolt Diameter | d2 | Form B kg | Form C kg | ||
| 10 15 20 |
90 95 105 |
14 14 16 |
60 65 75 |
40 45 58 |
2 2 2 |
4 4 4 |
M12 M12 M12 |
(1/2") (1/2") (1/2") |
14 14 14 |
0.63 0.72 1.01 |
0.56 0.64 0.93 |
| 25 32 40 |
115 140 150 |
16 16 16 |
85 100 110 |
68 78 88 |
2 2 3 |
4 4 4 |
M12 M16 M16 |
(1/2") (5/8") (5/8") |
14 18 18 |
1.23 1.80 2.09 |
1.13 1.66 1.85 |
| 50 65 80 |
165 185 200 |
18 18 20 |
125 145 160 |
102 122 138 |
3 3 3 |
4 4 4/8* |
M16 M16 M16 |
(5/8") (5/8") (5/8") |
18 18 18 |
2.88 3.66 4.77 |
2.59 3.33 4.34 |
| 100 125 150 |
220 250 285 |
20 22 22 |
180 210 240 |
158 188 212 |
3 3 3 |
8 8 8 |
M16 M16 M20 |
(5/8") (5/8") (3/4") |
18 18 23 |
5.65 8.42 10.4 |
5.26 7.67 9.85 |
| (175) 200 250 |
315 340 405 |
24 24 26 |
270 295 355 |
242 268 320 |
3 3 3 |
8 12 12 |
M20 M20 M24 |
(3/4") (3/4") (7/8") |
23 23 27 |
14.0 16.1 24.9 |
13.5 15.6 23.9 |
| 300 350 400 |
460 520 580 |
28 30 32 |
410 470 525 |
378 438 490 |
4 4 4 |
12 16 16 |
M24 M24 M27 |
(7/8") (7/8") (1") |
27 27 30 |
35.1 47.8 63.5 |
33.6 46.2 61.5 |
| 500 | 715 | 34 | 650 | 610 | 4 | 20 | M30 | (1 1/8") | 33 | 102 | 99.5 |
| Nominal Pressure 25 For nominal size 10-150, refer to nominal pressure 40. | |||||||||||
| (175) 200 250 |
330 360 425 |
28 30 32 |
280 310 370 |
248 278 335 |
3 3 3 |
12 12 12 |
M24 M24 M27 |
(7/8") (7/8") (1") |
27 27 30 |
17.3 22.3 33.5 |
16.5 21.5 32.5 |
| 300 350 400 |
485 555 620 |
34 38 40 |
430 490 550 |
395 450 505 |
4 4 4 |
16 16 16 |
M27 M30 M33 |
(1") (1 1/8") (1 1/4") |
30 33 36 |
46.3 68.0 89.7 |
44.7 65.9 87.0 |
| 500 | 730 | 44 | 660 | 615 | 4 | 20 | M33 | (1 1/4") | 36 | 138 | 134 |
| Nominal Pressure 40 | |||||||||||
| 10 15 20 |
90 95 105 |
16 16 16 |
60 65 75 |
40 45 58 |
2 2 2 |
4 4 4 |
M12 M12 M12 |
(1/2") (1/2") (1/2") |
14 14 14 |
0.72 0.81 1.24 |
0.62 0.74 1.05 |
| 25 32 40 |
115 140 150 |
18 18 18 |
85 100 115 |
68 78 88 |
2 2 3 |
4 4 4 |
M12 M16 M16 |
(1/2") (5/8") (5/8") |
14 18 18 |
1.38 2.03 2.35 |
1.31 1.82 2.11 |
| 50 65 80 |
165 185 200 |
20 22 24 |
125 145 160 |
102 122 138 |
3 3 3 |
4 8 8 |
M16 M16 M16 |
(5/8") (5/8") (5/8") |
18 18 18 |
3.20 4.29 5.88 |
2.91 4.13 5.21 |
| 100 125 150 |
235 270 300 |
24 26 28 |
190 220 250 |
162 188 218 |
3 3 3 |
8 8 8 |
M20 M24 M24 |
(3/4") (7/8") (7/8") |
23 27 27 |
7.54 10.8 14.5 |
7.08 10.4 13.9 |
| (175) 200 250 |
350 375 450 |
32 34 38 |
295 320 385 |
260 285 345 |
3 3 3 |
12 12 12 |
M27 M27 M30 |
(1") (1") (1 1/8") |
30 30 33 |
22.1 27.2 43.8 |
21.3 26.2 43.1 |
| 300 350 400 |
515 580 660 |
42 46 50 |
450 510 585 |
410 465 535 |
4 4 4 |
16 16 16 |
M30 M33 M36 |
(1 1/8") (1 1/4") (1 3/8") |
33 36 39 |
63.3 89.5 127 |
62.2 87.2 124 |
| 500 | 755 | 52 | 670 | 615 | 4 | 20 | M39 | (1 1/2") | 42 | 172 | 168 |
Nominal size in parentheses should preferably be avoided. Screw thread size in parentheses shall not be used for new construction.
Material: St 37 of DIN 17100 (For other material, please specify in the order sheet).
St 37-2 for 12 °C to 300 °C temperature; Heat-treated steel for temperature over 300 °C,
e.g., C22N or alloyed steel as mentioned for pipes of DIN 17175.
ANSI Dimension
Flanges inventory: