DIN 2636, 2637, 2638, standard flanges German, PN 64, ISO, PN 100, PN 6, No. of holes, Mumbai

DIN 2636 / DIN 2637 / DIN 2638

DIN 2636, PN 64, standard flanges German, Mumbai
DIN 2636 PN 64 (in mm)
Nominal Pipe Size Diameter at weld Bevel Flange Dia Thk of Flange Dia of Bolt Circle Length Through Hub Dia of Hub Wall Thk Radius of Hub Straight Portion Dia of R/F Thk of R/F No. of Dia of Bolt Holes  
DN D1 D B K H1 D3 S R H2 D4 F holes D2 KG
10 17.2 100 20 70 45 32 1.8 4 6 40 2 4 14 1.08
15 21.3 105 20 75 45 34 2.0 4 6 45 2 4 14 1.19
25 33.7 140 24 100 58 52 2.6 4 8 68 2 4 18 2.60
40 48.3 170 26 125 62 70 2.9 6 10 88 3 4 22 3.99
50 60.3 180 26 135 62 82 2.9 6 10 102 3 4 22 4.42
65 76.1 205 26 160 66 98 3.2 6 12 122 3 8 22 5.49
80 88.9 215 28 170 72 112 3.6 8 12 138 3 8 22 6.50
100 114.3 250 30 200 76 138 4.0 8 12 162 3 8 26 9.06
125 139.7 295 34 240 88 168 4.5 8 12 188 3 8 30 14.23
150 168.3 345 36 280 95 202 5.6 10 12 218 3 8 33 20.92
175 193.7 375 40 310 105 228 6.3 10 16 260 3 12 33 26.28
200 219.1 415 42 345 110 256 7.1 10 16 285 3 12 36 33.56
250 273.0 470 46 400 125 316 8.8 12 18 345 3 12 36 47.32
300 323.9 530 52 460 140 372 11.0 12 18 410 4 16 36 66.44
350 355.6 600 56 525 150 420 12.5 12 20 465 4 16 39 96.23
400 406.4 670 60 585 160 475 14.2 12 20 535 4 16 42 127.70

 

DIN 2937, PN 100, standard flanges German, Mumbai
DIN 2637 PN 100 (in mm)
Nominal Pipe Size Diameter at weld Bevel Flange Dia Thk of Flange Dia of Bolt Circle Length Through Hub Dia of Hub Wall Thk Radius of Hub Straight Portion Dia of R/F Thk of R/F No. of Dia of Bolt Holes  
DN d1 D B K H1 D3 S R H2 D4 F holes D2 KG
10 17.2 100 20 70 45 32 1.8 4 6 40 2 4 14 1.08
15 21.3 105 20 75 45 34 2.0 4 6 45 2 4 14 1.19
25 33.7 140 24 100 58 52 2.6 4 8 68 2 4 18 2.60
40 48.3 170 26 125 62 70 2.9 6 10 88 3 4 22 3.99
50 60.3 195 28 145 68 90 3.2 6 10 102 3 4 26 5.70
65 76.1 220 30 170 76 108 3.6 6 12 122 3 8 26 7.43
80 88.9 230 32 180 78 120 4.0 8 12 138 3 8 26 8.58
100 114.3 265 36 210 90 150 5.0 8 12 162 3 8 30 12.79
125 139.7 315 40 250 105 180 6.3 8 12 188 3 8 33 20.68
150 168.3 355 44 290 115 210 7.1 10 12 218 3 12 33 27.76
175 193.7 385 48 320 127 245 8.8 10 16 260 3 12 33 36.94
200 219.1 430 52 360 130 278 10.0 10 16 285 3 12 36 49.35
250 273.0 505 60 430 157 340 12.5 12 18 345 3 12 39 80.09
300 323.9 585 68 500 170 400 14.2 12 18 410 4 16 42 116.25
350 355.6 655 74 560 189 460 16.0 12 20 465 4 16 48 166.09

 

DIN 2638, PN 6, standard flanges German, Mumbai
DIN 2638 PN6 (in mm)
Nominal Pipe Size Diameter at weld Bevel Flange Dia Thk of Flange Dia of Bolt Circle Length Through Hub Dia of Hub Wall Thk Radius of Hub Straight Portion Dia of R/F Thk of R/F No. of Dia of Bolt Holes  
DN D1 D B K H1 D3 S R H2 D4 F holes D2 KG
10 17.2 100 20 70 45 32 2.0 4 6 40 2 4 14 1.08
15 21.3 105 20 75 45 34 2.0 4 6 45 2 4 14 1.19
25 33.7 140 24 100 58 52 2.9 4 8 68 2 4 18 2.62
40 48.3 170 28 125 64 70 3.6 6 10 88 3 4 22 4.34
50 60.3 195 30 145 75 90 4.0 6 10 102 3 4 26 6.27
65 76.1 220 34 170 82 108 5.0 6 12 122 3 8 26 8.61
80 88.9 230 36 180 86 120 6.3 8 12 138 3 8 26 10.09
100 114.3 265 40 210 100 150 8.0 8 12 162 3 8 30 15.07
125 139.7 315 44 250 115 180 10.0 8 14 188 3 8 33 24.09
150 168.3 355 50 290 128 210 12.5 10 14 218 3 12 33 34.02
175 193.7 390 54 320 138 245 14.2 10 16 260 3 12 36 44.90
200 219.1 490 60 360 140 278 16.0 10 16 285 3 12 36 60.03
250 273.0 515 68 430 155 340 20.0 12 18 345 3 12 42 96.52
300 323.9 585 76 500 175 400 22.2 12 18 410 4 16 42 138.80