DIN Standard

DIN

FLANGE DIMENSIONS

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DIN PN6 FLANGES

d1 h2 h1 d2 d1
S r
d4
d2 b D d2 b
Slip-On
d3 f b f

d4 d4

D D
Welding Neck Blind

Unit: mm

Pipe Flange Neck Raised Face Bolts Arropx.
Weight (kg)

d1 b d3 Weld- Slip-

DN DIN D Welding Slip-on Blind k h1 DIN s r h2 d4 f # Dia. of Bolt d2 ing on Blind

(ISO)* Nack (ISO) Nack

14 12 12 12 50 28 22 1.8 4 6 35 2 4 M10 - 11.5 0.34 0.36 0.33
10 75
(26)
(17.2)

20 12 12 12 55 30 28 2 4 6 40 2 4 M10 - 11.5 0.39 0.41 0.38
15 80
(30)
(21.3)

25 14 14 14 65 32 35 2.3 4 6 50 2 4 M10 - 11.5 0.59 0.60 0.59
20 90
(38)
(26.9)

30 14 14 14 75 35 40 2.6 4 6 60 2 4 M10 - 11.5 0.75 0.74 0.74
25 100
(42)
(33.7)

38 14 16 14 90 35 50 2.6 6 6 70 2 4 M12 1/2" 14 1.05 1.19 1.07
32 120
(55)
(42.4)

44.5 14 16 14 100 38 58 2.6 6 7 80 3 4 M12 1/2" 14 1.18 1.39 1.21
40 130
(62)
(48.3)

57 14 16 14 110 38 70 2.9 6 8 90 3 4 M12 1/2" 14 1.34 1.53 1.43
50 140
(74)
(60.3)

65 76.1 160 14 16 14 130 38 88 2.9 6 9 110 3 4 M12 1/2" 14 1.67 1.89 2.21

80 88.9 190 16 18 16 150 42 102 3.2 8 10 128 3 4 M16 5/8" 18 2.71 2.98 3.09
3.6
108 16 122 4 8 10 148 3 4 M16 5/8" 18 3.24 3.46 4.37
100 210 18 16 170 45 4.5
5.9
(114) (130) 6.3
7.1
133 18 148 7.1 8 10 178 3 8 M16 5/8" 18 4.49 4.60 5.68
125 240 20 18 200 48 7.1
7.1
(139) (155) 7.1

159 18 172 10 12 202 3 8 M16 5/8" 18 5.15 5.22 7.02
150 265 20 18 225 48

(168) (184)

216 20 230 10 15 258 3 8 M16 5/8" 18 7.78 7.15 11.7
200 320 22 20 280 55

(219) (236)

267 22 282 12 15 312 3 12 M16 5/8" 18 10.8 9.61 17.6
250 375 24 22 335 60

(273) (290)

318 22 335 12 15 365 4 12 M20 3/4" 23 14.0 12.6 24.0
300 440 24 22 395 62

(323) (342)

368 22 26 22 445 62 385 12 15 415 4 12 M29 3/4" 23 16.5 15.6 30.1
350 490

(355)

419 22 26 22 495 65 438 12 15 465 4 16 M20 3/4" 23 18.7 18.4 36.4
400 540

(406)

521 24 30 24 600 68 538 12 15 570 4 20 M20 3/4" 23 28.6 24.5 58.1
500 645

(508)

622 12 16 670 5 20 M24 7/8" 27 31.5 - -
600 755 24 - - 705 70 640

(609)

Ref. DIN 2631 Welding Neck Flanges , DIN 2573 Slip-on Flanges * NOTE: Outside diameter of pipe complies with ISO recommendation R64.
DIN 2527 Blind Flanges

DIN PN10 FLANGES

d1 h2 h1 d2 d1
S r
d4
d2 b D d2 b
Slip-On
d3 f b f

d4 d4

D D
Welding Neck Blind

Unit: mm

Pipe Flange Neck Raised Face Bolts Arropx.
Weight (kg)

d1 b d3 Weld- Slip-

DN DIN D Welding Slip-on Blind k h1 DIN s r h2 d4 f # Dia. of Bolt d2 ing Blind
(ISO) on
(ISO)* Nack Nack

14 14 14 14 60 35 25 1.8 4 6 40 2 4 M12 1/2" 14 0.58 0.61 0.56
10 90
(28)
(17.2)

20 14 14 14 65 35 30 2 4 6 45 2 4 M12 1/2" 14 0.65 0.68 0.64
15 95
(32)
(21.3)

25 16 16 16 75 38 38 2.3 4 6 58 2 4 M12 1/2" 14 0.95 0.95 0.93
20 105
(40)
(26.9)

30 16 16 16 85 38 42 2.6 4 6 68 2 4 M12 1/2" 14 1.14 1.14 1.13
25 115
(45)
(33.7)

38 16 16 16 100 40 52 2.6 6 6 78 2 4 M16 5/8" 18 1.69 1.66 1.66
32 140
(56)
(42.4)

44.5 16 16 16 110 42 60 2.6 6 7 88 3 4 M16 5/8" 18 1.86 1.89 1.85
40 150
(64)
(48.3)

57 18 18 18 125 45 72 2.9 6 8 102 3 4 M16 5/8" 18 2.53 2.51 2.59
50 165
(75)
(60.3)

65 76.1 185 18 18 18 145 45 90 2.9 6 10 122 3 4 M16 5/8" 18 3.06 3.00 3.33

80 88.9 200 20 20 20 160 50 105 3.2 8 10 138 3 8 M16 5/8" 18 3.70 3.79 4.34

108 20 125 3.6 8 12 158 3 8 M16 5/8" 18 4.62 4.20 5.26
100 220 20 20 180 52 4
4.5
(114) (131) 5.9
6.3
133 22 150 7.1 8 12 188 3 8 M16 5/8" 18 6.30 5.71 7.67
125 250 22 22 210 55 7.1
7.1
(139) (156) 7.1
7.1
159 22 175 10 12 212 3 8 M20 3/4" 23 7.75 6.72 9.85
150 285 22 22 240 55

(168) (184)

216 24 24 24 295 62 235 10 16 268 3 8 M20 3/4" 23 11.3 9.50 15.6
200 340

(219)

267 26 285 12 16 320 3 12 M20 3/4" 23 14.7 12.5 23.1
250 395 26 26 350 68

(273) (292)

318 26 26 28 400 68 344 12 16 370 4 12 M20 3/4" 23 17.6 14.4 29.4
300 445 12 16 430 4
12 16 482 4
(323) 12 16 585 4

368 26 28 30 460 68 385 16 M20 3/4" 23 21.4 20.6 38.0
350 505
23.4
(355)

419 26 32 32 515 72 440 16 M24 7/8" 27 26.1 27.9 47.5
400 565
28.7
(406)

521 28 38 34 620 75 542 20 M24 7/8" 27 38 41.1 72.7
500 670

(508)

622 12 18 685 5 20 M27 1" 30 44.2 - -
600 780 28 - - 725 80 642

(609)

Ref. DIN 2632 Welding Neck Flanges, DIN 2576 Slip-on Flanges, * NOTE: Outside diameter of pipe complies with ISO recommendation R64.
DIN 2527 Blind Flanges

DIN PN16 FLANGES

d1 h2 h1 d2 d1
S r
d4
d2 b D d2 b
Slip-On
d3 f b f

d4 d4

D D
Welding Neck Blind

Unit: mm

Pipe Flange Neck Raised Face Bolts Arropx.
Weight (kg)

d1 b d3 Weld- Slip-

DN DIN D Welding Slip-on Blind k h1 DIN s r h2 d4 f # Dia. of Bolt d2 ing on Blind

(ISO)* Nack (ISO) Nack

14 14 - 14 60 35 25 1.8 4 6 40 2 4 M12 1/2" 14 0.58 0.63 0.56
10 90
(28)
(17.2)

20 14 14 14 65 35 30 2 4 6 45 2 4 M12 1/2" 14 0.65 0.72 0.64
15 95
(32)
(21.3)

25 16 16 16 75 38 38 2.3 4 6 58 2 4 M12 1/2" 14 0.95 1.01 0.93
20 105
(40)
(26.9)

30 16 16 16 85 38 42 2.6 4 6 68 2 4 M12 1/2" 14 1.14 1.23 1.13
25 115
(45)
(33.7)

38 16 16 16 100 40 52 2.6 6 6 78 2 4 M16 5/8" 18 1.69 1.80 1.66
32 140
(56)
(42.4)

44.5 16 16 16 110 42 60 2.6 6 7 88 3 4 M16 5/8" 18 1.86 2.09 1.85
40 150
(64)
(48.3)

57 18 18 18 125 45 72 2.9 6 8 102 3 4 M16 5/8" 18 2.53 2.88 2.59
50 165
(75)
(60.3)

65 76.1 185 18 18 18 145 45 90 2.9 6 10 122 3 4 M16 5/8" 18 3.06 3.66 3.33

80 88.9 200 20 20 20 160 50 105 3.2 8 10 138 3 8 M16 5/8" 18 3.70 4.77 4.34
3.6
108 20 125 4 8 12 158 3 8 M16 5/8" 18 4.62 5.65 5.26
100 220 22 20 20 180 52 4.5
22 5.9 8 12 188 3 8 M16 5/8" 18 6.30 8.42 7.67
(114) 24 (131) 6.3
133 26 150 7.1 10 12 212 3 8 M20 3/4" 23 7.75 10.4 9.85
125 250 28 22 22 210 55 8
(139) 30 (156) 8 10 16 268 3 12 M20 3/4" 23 11.0 16.1 15.6
159 32 175 8
150 285 34 22 22 240 55 8 12 16 320 3 12 M24 7/8" 27 15.6 24.9 23.9
(168) 36 (184)
216 24 24 295 62 235 12 16 378 4 12 M24 7/8" 27 22.0 35.1 33.6
200 340 285 12 16 438 4
(219) 26 26 355 70 12 16 490 4 16 M24 7/8" 27 28.7 47.8 46.2
267 (292) 12 16 610 4
250 405 28 28 410 78 344 31.0
(273)
318 30 30 470 82 390 16 M27 1" 30 36.3 63.5 61.5
300 460
(323) 32 32 525 85 445 39.3
368
350 520 36 34 650 90 548 20 M30 1-1/8" 33 61.0 102.0 99.5
(355)
419 40 -- 770 95 652 12 18 725 5 20 M33 1-1/4" 36 75.4 - -
400 580
(406)
521
500 715
(508)
622
600 840
(609)

Ref. DIN 2633 Welding Neck Flanges, DIN 2543 Slip-on Flanges * NOTE: Outside diameter of pipe complies with ISO recommendation R64.
DIN 2527 Blind Flanges

DIN PN25 FLANGES

d1 h2 h1 d2 d1
S r
d4
d2 b D d2 b
Slip-On
d3 f b f

d4 d4

D D
Welding Neck Blind

Unit: mm

Pipe Flange Neck Raised Face Bolts Arropx.
Weight (kg)

d1 b d3 Weld- Slip-

DN DIN D Welding Slip-on Blind k h1 DIN s r h2 d4 f # Dia. of Bolt d2 ing on Blind
(ISO)
(ISO)* Nack Nack

14 16 - 16 60 35 25 1.8 4 6 40 2 4 M12 1/2" 14 0.66 0.72 0.62
10 90
(28)
(17.2)

20 16 16 16 65 38 30 2 4 6 45 2 4 M12 1/2" 14 0.76 0.81 0.74
15 95
(32)
(21.3)

25 18 18 18 75 40 38 2.3 4 6 58 2 4 M12 1/2" 14 1.06 1.24 1.05
20 105
(40)
(26.9)

30 18 18 18 85 40 42 2.6 4 6 68 2 4 M12 1/2" 14 1.3 1.38 1.31
25 115
(45)
(33.7)

38 18 18 18 100 42 52 2.6 6 6 78 2 4 M16 5/8" 18 1.88 2.03 1.82
32 140
(56)
(42.4)

44.5 18 18 18 110 45 60 2.6 6 7 88 3 4 M16 5/8" 18 2.33 2.35 2.11
40 150
(64)
(48.3)

57 20 20 20 125 48 72 2.9 6 8 102 3 4 M16 5/8" 18 2.82 3.20 2.91
50 165
(75)
(60.3)

65 76.1 185 22 22 22 145 52 90 2.9 6 10 122 3 8 M16 5/8" 18 3.74 4.29 4.13

80 88.9 200 24 24 24 160 58 105 3.2 8 12 138 3 8 M16 5/8" 18 4.75 5.88 5.21
3.6
108 24 128 4 8 12 162 3 8 M20 3/4" 23 6.52 7.54 7.08
100 235 26 24 24 190 65 4.5
28 6.3 8 12 188 3 8 M24 7/8" 27 9.07 10.8 10.4
(114) 30 (134) 7.1
133 32 155 8 10 12 218 3 8 M24 7/8" 27 11.8 14.5 13.9
125 270 34 26 26 220 68 8
(139) 38 (162) 8.8 10 16 278 3 12 M24 7/8" 27 17 22.3 21.5
159 40 182 10
150 300 44 28 28 250 75 12 18 335 3 12 M27 1" 30 24.4 33.5 32.5
(168) (192)
216 30 30 310 80 244 12 18 395 4 16 M27 1" 30 31.2 46.3 44.7
200 360 292
(219) 32 32 370 88 12 20 450 4 16 M30 1-1/8" 33 44.2
267 (298) 12 20 505 4 16 M33 1-1/4" 36 68.0 65.9
250 425 34 34 430 92 352
(273) 47.2
318 38 38 490 100 398
300 485 58 89.7 87.0
(323) 40 40 550 110 452
368 62
350 555 44 44 660 125 558
(355) 12 20 615 4 20 M33 1-1/4" 36 89.6 138 134
419
400 620
(406)
521
500 730
(508)

Ref. DIN 2634 Welding Neck Flanges, DIN 2544 Slip-on Flanges * NOTE: Outside diameter of pipe complies with ISO recommendation R64.
DIN 2527 Blind Flanges

DIN PN40 FLANGES

d1 h2 h1 d2 d1
S r
d4
d2 b D d2 b
Slip-On
d3 f b f

d4 d4

D D
Welding Neck Blind

Unit: mm

Pipe Flange Neck Raised Face Bolts Arropx.
Weight (kg)

d1 b d3 Weld- Slip-

DN DIN D Welding Slip-on Blind k h1 DIN s r h2 d4 f # Dia. of Bolt d2 ing on Blind
(ISO)
(ISO)* Nack Nack

14 16 - 16 60 35 25 1.8 4 6 40 2 4 M12 1/2" 14 0.66 0.72 0.62
10 90
(28)
(17.2)

20 16 16 16 65 38 30 2 4 6 45 2 4 M12 1/2" 14 0.76 0.81 0.74
15 95
(32)
(21.3)

25 18 18 18 75 40 38 2.3 4 6 58 2 4 M12 1/2" 14 1.06 1.24 1.05
20 105
(40)
(26.9)

30 18 18 18 85 40 42 2.6 4 6 68 2 4 M12 1/2" 14 1.3 1.38 1.31
25 115
(45)
(33.7)

38 18 18 18 100 42 52 2.6 6 6 78 2 4 M16 5/8" 18 1.88 2.03 1.82
32 140
(56)
(42.4)

44.5 18 18 18 110 45 60 2.6 6 7 88 3 4 M16 5/8" 18 2.33 2.35 2.11
40 150
(64)
(48.3)

57 20 20 20 125 48 72 2.9 6 8 102 3 4 M16 5/8" 18 2.82 3.20 2.91
50 165
(75)
(60.3)

65 76.1 185 22 22 22 145 52 90 2.9 6 10 122 3 8 M16 5/8" 18 3.74 4.29 4.13

80 88.9 200 24 24 24 160 58 105 3.2 8 12 138 3 8 M16 5/8" 18 4.75 5.88 5.21

108 24 128 3.6 8 12 162 3 8 M20 3/4" 23 6.52 7.54 7.08
100 235 26 24 24 190 65 4
28 4.5 8 12 188 3 8 M24 7/8" 27 9.07 10.8 10.4
(114) 34 (134) 6.3
133 38 155 7.1 10 12 218 3 8 M24 7/8" 27 11.8 14.5 13.9
125 270 42 26 26 220 68 8
(139) 46 (162) 8.8 10 16 285 3 12 M27 1" 30 21.5 27.2 26.2
159 50 182 11
150 300 52 28 28 250 75 14.2 12 18 345 3 12 M30 1-1/8" 33 34.9 43.8 43.1
(168) (192)
216 34 34 320 88 244 12 18 410 4 16 M30 1-1/8" 33 49.7 63.3 62.2
200 375 298
(219) 38 38 385 105 12 20 460 4 16 M33 1-1/4" 36 68.1 89.5 87.2
267 (306)
250 450 42 42 450 115 362 12 20 535 4 16 M36 1-3/8" 39 99.7 127 124
(273)
318 46 46 510 125 408 12 20 615 4 20 M39 1-3/8" 42 117 172 168
300 515
(323) 50 50 585 135 462
368
350 580 52 52 670 140 562
(355)
419
400 660
(406)
521
500 755
(508)

Ref. DIN 2635 Welding Neck Flanges, DIN 2545 Slip-on Flanges * NOTE: Outside diameter of pipe complies with ISO recommendation R64.
DIN 2527 Blind Flanges

DIN PN64 FLANGES

d1 h2 h1
S r

d2 b

d3 f

d4

D
Welding Neck

Unit: mm

Pipe Flange Neck Raised face Bolts Arropx.
d1 bk
d3 Weight
DN DIN 26 135 # Dia. of Bolt d2 (kg)
(ISO)* D 26 160 h1 DIN s r h2 d4 f

10 to 40 180 (ISO)
205
57 See DIN 2637. Rated PN 100
50
78 6 10 102 3 4 M20 3/4" 22 4.5
(60.3) 62 2.9 8 M20 3/4" 22 5.7

65 76.1 (82)

68 98 3.2 6 12 122 3

80 88.9 215 28 170 72 112 3.6 8 12 138 3 8 M20 3/4" 22 6.7

108 132 8 12 162 3 8 M24 7/8" 26 9.6
100 250 30 200 78 4

(114.3) (138)

133 162 8 12 188 3 8 M27 1" 30 15.1
125 295 34 240 88 4.5

(139.7) (168)

159 192 8 M30 1-1/8" 33 21.9
150 345 36 280 95 5.6 10 12 215 3

(168.3) (202)

175 193.7 375 40 310 105 228 6.3 10 16 260 3 12 M30 1-1/8" 33 23.7

(219.1) 415 42 345 110 (256) 7.1 285 35

267 310 12 M33 1-1/4" 36 49.6
250 470 46 400 125 8.8 12 18 345 3

(273) (316)

300 323.9 530 52 460 140 372 11 12 18 410 4 16 M33 1-1/4" 36 68.7

368 56 525 150 420 12.5 12 20 465 4 16 M36 1-3/8" 39 94.6
350 600 585

(355.6)

419 60 160 475 14.2 12 20 535 4 16 M39 1-1/2" 42 124
400 670

(406.4)

Ref. DIN 2636 Welding Neck Flanges * NOTE: Outside diameter of pipe complies with ISO recommendation R64.

DIN PN100 FLANGES

d1 h2 h1
S r

d2 b

d3 f

d4

D
Welding Neck

Unit: mm

Pipe Flange Neck Raised face Bolts Arropx.
d1 bk
d3 Weight
DN DIN 20 70 # Dia. of Bolt d2 (kg)
(ISO)* D 20 75 h1 DIN s r h2 d4 f
14 24 100 (ISO) 4
100 24 110 28 6 40 2 4 M12 1/2" 14 1.1
10 105 26 125 6 45 2
(17.2) 140 28 145 45 1.8 8 65 2
20 155 30 170 (32) 8 75 2
170 10 85 3
15 195 32 2 4 10 95 3 4 M12 1/2" 14 1.2
(21.3) 220 45 12 120 3
30
(34)
25
(33.7) 48 4 4 M16 5/8" 18 2.7
38 58 2.6

32 (52)
(42.4)
44.5 58 6 4 M20 3/4" 23 3.2
60 2.6
40
(48.3) (62)
57
65 6 4 M20 3/4" 23 4.1
50 62 2.9
(60.3)
(70)
65 76.1
86 6 4 M24 7/8" 27 6
68 3.2

(90)

76 108 3.6 6 8 M24 7/8" 27 7.9

80 88.9 230 32 180 78 120 4 8 12 138 3 8 M24 7/8" 27 8.9

108 145 8 12 162 3 8 M27 1" 30 13.7
100 265 36 210 90 5

(114.3) (150)
133
105 180 6.3 8 12 185 3 8 M30 1-1/8" 33 22.7
125 315 40 250
(139.7) 115 210 7.1 10 12 215 3 12 M30 1-1/8" 33 30.2
159
127 245 8.8 10 16 260 3 12 M30 1-1/8" 33 38.9
150 355 44 290
(168.3)

175 193.7 385 48 320

200 219.1 430 52 360 130 278 10 10 16 280 3 12 M33 1-1/4" 36 52.8

267 157 340 12.5 12 18 340 3 12 M36 1-3/8" 39 81.4
250 505 60 430

(273)

300 323.9 585 68 500 170 400 14.2 12 18 410 4 16 M39 1-1/2" 42 122

368 74 560 189 460 16 12 20 465 4 16 M45 1-3/4" 48 165
350 655

(355.6)

Ref. DIN 2637 Welding Neck Flanges * NOTE: Outside diameter of pipe complies with ISO recommendation R64.

DIN PN160 FLANGES

d1 h2 h1
S r

d2 b

d3 f

d4

D
Welding Neck

Pipe Flange Neck Raised face Bolts Unit: mm
d1 bk # Dia. of Bolt
d3 Arropx.
DN DIN 24 85 Weight
(ISO)* D 26 90 h1 DIN s r h2 d4 f d2 (kg)
14 125 28 105
130 34 135 (ISO)
10 150 38 150
(17.2) 185 42 180 58 44 2.6 4 6 40 2 4 M16 5/8" 18 2.1
20 200
230 60 48 2.6 4 6 45 2 4 M16 5/8" 18 2.5
15
(21.3) 65 60 3.6 4 8 68 2 4 M20 3/4" 18 3.5
30
80 84 5 6 10 88 3 4 M24 7/8" 26 6.5
25
(33.7) 85 95 6.3 6 10 102 3 8 M24 7/8" 26 7.9
44.5
95 124 8 6 12 122 3 8 M24 7/8" 26 12
40
(48.3)
57

50
(60.3)

65 76.1

80 101.6 255 46 200 102 136 11 8 12 138 3 8 M27 1" 30 16

100 127 300 54 235 120 164 14.2 8 14 162 3 8 M30 1-1/8" 33 26.3

125 152.4 340 60 275 140 200 16 8 16 188 3 12 M30 1-1/8" 33 37.8

150 177.8 390 68 320 160 240 17.5 10 18 218 3 12 M33 1-1/4" 36 58

200 244.5 485 82 400 190 305 25 10 25 285 3 12 M39 1-1/2" 42 105

250 298.5 585 100 490 215 385 32 12 30 345 3 16 M45 2-1/8" 48 182

Ref. DIN 2638 Welding Neck Flanges * NOTE: Outside diameter of pipe complies with ISO recommendation R64.