Flanges› Dimensions› SANS 1123› 2500 kPa Pressure› Type 1B Integral Cast Iron Flange

SANS 1123
2500 kPa Type 1B Integral Cast Iron Flange

SANS 1123 250 kPa Type 5 Flange Technical Drawing
DIMENSIONAL DATA
DN Outside Diameter of Flange (D) Cast Iron Flange Thickness (b CI) Ductile Iron Flange Thickness (b DI) Raised Face Diameter (d3) Raised Face Height (f) Bolt Size (M) Number of Drilling Holes (No.) Bolt Hole Diameter (d1) Pitch Circle Diameter (d) Neck Diameter (d2) Neck Radius (r)
25 115 18 N/A 65 3 M12 4 14 85 50 4
50 165 22 19 99 3 M16 4 19 125 84 5
80 200 26 19 132 3 M16 8 19 160 120 6
100 235 28 19 156 3 M20 8 22 190 142 6
1251) 270 30 19 184 3 M24 8 26 220 162 8
150 300 34 20 211 3 M24 8 26 250 192 8
1751) 330 34 22 248 3 M24 12 26 280 217 8
200 360 34 22 274 3 M24 12 26 310 252 8
2251) 395 36 22 306 3 M24 12 26 340 274 10
250 425 36 24,5 330 3 M24 12 26 370 304 10
300 485 40 27,5 389 4 M24 16 26 430 364 10
350 555 44 30 448 4 M30 16 33 490 418 10
400 620 48 32 503 4 M30 16 33 550 472 10
450 670 50 34,5 548 4 M30 20 33 605 520 12
500 730 52 36,5 609 4 M30 20 33 660 580 12
5501) 785 54 42 670 5 M36 20 39 710 620 12
600 845 56 42 720 5 M36 20 39 770 684 12
6501) 895 58 46,5 770 5 M36 24 39 820 725 12
700 960 N/A 46,5 820 5 M36 24 39 875 780 12
750 1 020 N/A 51 880 5 M42 24 45 935 836 12
800 1 085 N/A 51 928 5 M42 24 45 990 882 12
900 1 185 N/A 55,5 1 028 5 M42 28 45 1 090 982 12
1000 1 320 N/A 60 1 140 5 M48 28 52 1 210 1 086 12
1200 1 530 N/A 69 1 350 5 M48 32 52 1 420 1 296 12
1400 1 755 N/A 74 1 560 5 M56 36 62 1 640 1 508 12
15001) 1 865 N/A 78 1 670 5 M56 36 62 1 750 1 560 12
1600 1 975 N/A 81 1 780 5 M56 40 62 1 860 1 726 12
1800 2 195 N/A 88 1 985 5 M64 44 70 2 070 1 920 15
2000 2 425 N/A 95 2 210 5 M64 48 70 2 300 2 150 15
1) Non-preferred size.

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