DIN Standardized Flanges

DIN Blind Flanges

DIN - the German Institute for Standardization, is a private organization providing standardization services in Germany.

DIN represents German national interests in Europe and throughout the world. The DIN EN 2527, 25.., 2630, 26.. series of standards cover pressure-temperature ratings, materials, dimensions, tolerances, marking for pipelines for fluid in liquid or gaseous condition.

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Blind-B Flanges
DIN 2527 PN 6

blind-b flanges din 2527 pn 6
Blind-B DIN 2527 PN 6 Blind flanges type B
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 6
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-b flanges din 2527 pn 6
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
10 3/8 75 12 50 - 11 4×M10 0.38
15 1/2 80 12 55 - 11 4×M10 0.44
20 3/4 90 14 65 - 11 4×M10 0.65
25 1 100 14 75 - 11 4×M10 0.82
32 120 14 90 - 14 4×M12 1.17
40 130 14 100 - 14 4×M12 1.39
50 2 140 14 110 - 14 4×M12 1.62
65 160 14 130 55 14 4×M12 2.44
80 3 190 16 150 70 18 4×M16 3.43
100 4 210 16 170 90 18 8×M16 4.76
125 5 240 18 200 115 18 8×M16 6.11
150 6 265 18 225 140 18 8×M16 7.51
175 7 295 20 255 165 18 8×M16 10.4
200 8 320 20 280 190 18 8×M16 12.3
250 10 375 22 335 235 18 12×M16 18.3
300 12 440 22 395 285 22 12×M20 25.3
350 14 490 22 445 330 22 12×M20 31.6
400 16 540 22 495 380 22 16×M20 38.4
500 20 645 22 600 470 22 20×M20 60.4

Blind-T Flanges
DIN 2527 PN6

Blind-T DIN 2527 PN 6 Blind flanges type T
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 6
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-t flanges din 2527 pn 6
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
65 160 14 130 55 14 4×M12 2.48
80 3 190 16 150 70 18 4×M16 3.49
100 4 210 16 170 90 18 8×M16 4.86
125 5 240 18 200 115 18 8×M16 6.28
150 6 265 18 225 140 18 8×M16 7.75
175 7 295 20 255 165 18 8×M16 10.7
200 8 320 20 280 190 18 8×M16 12.7
250 10 375 22 335 235 18 12×M16 19.0
300 12 440 22 395 285 22 12×M20 26.3
350 14 490 22 445 330 22 12×M20 32.9
400 16 540 22 495 380 22 16×M20 40.2
500 20 645 22 600 475 22 20×M20 63.2

Blind-B Flanges
DIN 2527 PN10

Blind-B DIN 2527 PN 10 Blind flanges type B
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 10
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-b flanges din 2527 pn 10
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
10 3/8 90 14 60 - 14 4×M12 0.63
15 1/2 95 14 65 - 14 4×M12 0.72
20 3/4 105 16 75 - 14 4×M12 1.01
25 1 115 16 85 - 14 4×M12 1.23
32 140 16 100 - 18 4×M16 1.80
40 150 16 110 - 18 4×M16 2.09
50 2 165 18 125 - 18 4×M16 2.88
65 185 18 145 55 18 4×M16 3.66
80 3 200 20 160 70 18 8×M16 4.77
100 4 220 20 180 90 18 8×M16 5.65
125 5 250 22 210 115 18 8×M16 8.42
150 6 285 22 240 140 22 8×M20 10.4
175 7 315 24 270 165 22 8×M20 14.0
200 8 340 24 295 190 22 8×M20 16.5
250 10 395 26 350 235 22 12×M20 24.0
300 12 445 26 400 285 22 12×M20 30.9
350 14 505 26 460 330 22 16×M20 40.6
400 16 565 26 515 380 26 16×M24 49.4
500 20 670 28 620 475 26 20×M24 75.0

Blind-T Flanges
DIN 2527 PN10

Blind-T DIN 2527 PN 10 Blind flanges type T
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 10
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-t flanges din 2527 pn 10
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
65 185 18 145 55 18 4×M16 3.70
80 3 200 20 160 70 18 8×M16 4.83
100 4 220 20 180 90 18 8×M16 5.75
125 5 250 22 210 115 18 8×M16 8.59
150 6 285 22 240 140 22 8×M20 10.6
175 7 315 24 270 165 22 8×M20 14.3
200 8 340 24 295 190 22 8×M20 16.9
250 10 395 26 350 235 22 12×M24 24.7
300 12 445 26 400 285 22 12×M24 31.9
350 14 505 26 460 330 22 16×M24 41.9
400 16 565 26 515 380 26 16×M27 51.2
500 20 670 28 620 475 26 20×M30 77.8

Blind-B Flanges
DIN 2527 PN16

Blind-B DIN 2527 PN 16 Blind flanges type B
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 16
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-b flanges din 2527 pn 16
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
10 3/8 90 14 60 - 14 4×M12 0.63
15 1/2 95 14 65 - 14 4×M12 0.72
20 3/4 105 16 75 - 14 4×M12 1.01
25 1 115 16  85 - 14 4×M12 1.23
32 140 16 100 - 18 4×M16 1.80
40 150 16 110 - 18 4×M16 2.09
50 2 165 18 125 - 18 4×M16 2.88
65 185 18 145 55 18 4×M16 3.66
80 3 200 20 160 70 18 8×M16 4.77
100 4 220 20 180 90 18 8×M16 5.65
125 5 250 22 210 115 18 8×M16 8.42
150 6 285 22 240 140 22 8×M20 10.4
175 7 315 24 270 165 22 8×M20 14.0
200 8 340 24 295 190 22 12×M20 16.1
250 10 405 26 355 235 26 12×M24 24.9
300 12 460 28 410 285 26 12×M24 35.1
350 14 520 30 470 330 26 16×M24 47.8
400 16 580 32 525 380 30 16×M27 63.5
500 20 715 36 650 475 33 20×M30 102

Blind-T Flanges
DIN 2527 PN16

Blind-T DIN 2527 PN 16 Blind flanges type T
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 16
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-t flanges din 2527 pn 16
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
65 185 18 145 55 18 4×M16 3.70
80 3 200 20 160 70 18 8×M16 4.83
100 4 220 20 180 90 18 8×M16 5.75
125 5 250 22 210 115 18 8×M16 8.59
150 6 285 22 240 140 22 8×M20 10.6
175 7 315 24 270 165 22 8×M20 14.3
200 8 340 24 295 190 22 12×M20 16.5
250 10 405 26 355 235 26 12×M24 25.6
300 12 460 28 410 285 26 12×M24 36.1
350 14 520 30 470 330 26 16×M24 49.1
400 16 580 32 525 380 30 16×M27 65.3
500 20 715 36 650 475 33 20×M30 105

Blind-B Flanges
DIN 2527 PN25

Blind-B DIN 2527 PN 25 Blind flanges type B
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 25
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-b flanges din 2527 pn 25
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
10 3/8 90 16 60 - 14 4×M12 0.72
15 1/2 95 16 65 - 14 4×M12 0.81
20 3/4 105 18 75 - 14 4×M12 1.24
25 1 115 18 85 - 14 4×M12 1.38
32 140 18 100 - 18 4×M16 2.03
40 150 18 110 - 18 4×M16 2.35
50 2 165 20 125 - 18 4×M16 3.20
65 185 22 145 55 18 8×M16 4.29
80 3 200 24 160 70 18 8×M16 5.88
100 4 235 24 190 90 22 8×M20 7.54
125 5 270 26 220 115 26 8×M24 10.8
150 6 300 28 250 140 26 8×M24 14.5
175 7 330 28 280 165 26 12×M24 17.3
200 8 360 30 310 190 26 12×M24 22.3
250 10 425 32 370 237 30 12×M27 33.5
300 12 485 34 430 285 30 16×M27 46.3
350 14 555 38 490 332 33 16×M30 68.0
400 16 620 40 550 380 36 16×M33 89.7
500 20 730 45 660 475 36 20×M33 138

Blind-T Flanges
DIN 2527 PN25

Blind-T DIN 2527 PN 25 Blind flanges type T
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 25
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-t flanges din 2527 pn 25
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
65 185 22 145 55 18 8×M16 4.33
80 3 200 24 160 70 18 8×M16 5.94
100 4 235 24 190 90 22 8×M20 7.64
125 5 270 26 220 115 26 8×M24 11.0
150 6 300 28 250 140 26 8×M24 14.7
175 7 330 28 280 165 26 12×M24 17.6
200 8 360 30 310 190 26 12×M24 22.7
250 10 425 32 370 237 30 12×M27 34.5
300 12 485 34 430 285 30 16×M27 47.3
350 14 555 38 490 332 33 16×M30 69.3
400 16 620 40 550 380 36 16×M33 91.5
500 20 730 45 660 475 36 20×M33 141

Blind-B Flanges
DIN 2527 PN40

Blind-B DIN 2527 PN 40 Blind flanges type B
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 40
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-b flanges din 2527 pn 40
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
10 3/8 90 16 60 - 14 4×M12 0.72
15 1/2 95 16 65 - 14 4×M12 0.81
20 3/4 105 18 75 - 14 4×M12 1.24
25 1 115 18 85 - 14 4×M12 1.38
32 140 18 100 - 18 4×M16 2.03
40 150 18 110 - 18 4×M16 2.35
50 2 165 20 125 - 18 4×M16 3.20
65 185 22 145 55 18 8×M16 4.29
80 3 200 24 160 70 18 8×M16 5.88
100 4 235 24 190 90 22 8×M20 7.54
125 5 270 26 220 115 26 8×M24 10.8
150 6 300 28 250 140 26 8×M24 14.5
175 7 350 32 295 165 30 12×M27 22.1
200 8 375 34 320 190 30 12×M27 27.2
250 10 450 38 385 235 33 12×M30 43.8
300 12 515 42 450 285 33 16×M30 63.3
350 14 580 46 510 330 36 16×M33 89.5
400 16 660 50 585 380 39 16×M36 127
500 20 755 56 670 475 42 20×M39 172

Blind-T Flanges
DIN 2527 PN40

Blind-T DIN 2527 PN 40 Blind flanges type T
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 40
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-t flanges din 2527 pn 40
DN
mm
inch D
mm
b
mm
K
mm
d9
mm
d2
mm
Thread
Holes
Wgt
kg
65 2.1/2 185 22 145 55 18 8×M16 4.33
80 3 200 24 160 70 18 8×M16 5.94
100 4 235 24 190 90 22 8×M20 7.64
125 5 270 26 220 115 26 8×M24 11.0
150 6 300 28 250 140 26 8×M24 14.7
175 7 350 32 295 165 30 12×M27 22.4
200 8 375 34 320 190 30 12×M27 27.6
250 10 450 38 385 235 33 12×M30 44.5
300 12 515 42 450 285 33 16×M30 64.3
350 14 580 46 510 330 36 16×M33 90.8
400 16 660 50 585 380 39 16×M36 129
500 20 755 56 670 475 42 20×M39 175

Blind-E Flanges
DIN 2527 PN64

Blind-E DIN 2527 PN 64 Blind flanges type E
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 64
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-t flanges din 2527 pn 64
DN
mm
inch D
mm
b
mm
K
mm
d3
mm
d4
mm
d9
mm
d2
mm
f
mm
Thread
Holes
Wgt
kg
10 3/8 100 20 70 32 40 - 14 2 4×M12 1.00
15 1/2 105 20 75 34 45 - 14 2 4×M12 1.22
25 1 140 24 100 52 68 - 18 2 4×M16 2.65
32 155 24 110 62 78 - 22 2 4×M20 3.24
40 170 26 125 70 88 - 22 3 4×M20 4.09
50 2 180 26 135 82 102 - 22 3 4×M20 4.51
65 205 26 160 98 122 45 22 3 8×M20 5.71
80 3 215 28 170 112 138 60 22 3 8×M20 6.92
100 4 250 30 200 138 162 80 26 3 8×M24 10.1
125 5 295 34 240 168 188 105 30 3 8×M27 16.0
150 6 345 36 280 202 218 130 33 3 8×M30 23.5
175 7 375 40 310 228 260 155 33 3 12×M30 30.8
200 8 415 42 345 256 285 180 36 3 12×M33 39.7
250 10 470 46 400 316 345 220 36 3 12×M33 57.4
300 12 530 52 460 372 410 270 36 4 16×M33 81.0
350 14 600 56 525 420 465 310 39 4 16×M36 114
400 16 670 60 585 475 535 360 42 4 16×M39 153

Blind-E Flanges
DIN 2527 PN100

Blind-E DIN 2527 PN 100 Blind flanges type E
Standard DIN 2527
Core Material Carbon steel and stainless steel
Pressure PN 100
Connecting Finish Stock finish, spiral serration (or phonographic), concentric serration and smooth surface
blind-t flanges din 2527 pn 100
DN
mm
inch D
mm
b
mm
K
mm
d3
mm
d4
mm
d9
mm
d2
mm
f
mm
Thread
Holes
Wgt
kg
10 3/8 100 20 70 32 40 - 14 2 4×M12 1.00
15 1/2 105 20 75 34 45 - 14 2 4×M12 1.22
25 1 140 24 100 52 68 - 18 2 4×M16 2.65
32 155 24 110 62 78 - 22 2 4×M20 3.24
40 170 26 125 70 88 - 22 3 4×M20 4.09
50 2 195 28 145 90 102 - 26 3 4×M24 5.84
65 220 30 170 108 122 45 26 3 8×M24 8.03
80 3 230 32 180 120 138 60 26 3 8×M24 9.43
100 4 265 36 210 150 162 80 30 3 8×M27 14.3
125 5 315 40 250 180 188 105 33 3 8×M30 22.6
150 6 355 44 290 210 218 130 33 3 12×M30 31.8
175 7 385 48 320 245 260 155 33 3 12×M30 41.3
200 8 430 52 360 278 285 180 36 3 12×M33 56.1
250 10 505 60 430 340 345 210 39 3 12×M36 89.6
300 12 585 68 500 400 410 260 42 4 16×M39 119
350 14 655 74 560 460 465 300 48 4 16×M45 175