BS 4504 / PN6

Flanges » BS Standard » BS 4504 / PN6
102 LJFF
Nominal Pipe Size Outside Dia. (mm) Dia. of Bolt Circle (mm) Dia. of Hole (mm) Number of Hole Dia. of Bore Thickness min. (mm) Chamfering Approx. Weight (Kg)
D C h do t X
10 75 50 11 4 21 12 3
15 80 55 11 4 25 12 3
20 90 65 11 4 31 14 4
25 100 75 11 4 38 14 4
32 120 90 14 4 46 16 5
40 130 100 14 4 53 16 5
50 140 110 14 4 65 16 5
65 160 130 14 4 81 16 6
80 190 150 18 4 94 18 6
100 210 170 18 4 120 18 6
125 240 200 18 8 145 20 6
150 265 225 18 8 174 20 6
200 320 280 18 8 226 22 6
250 375 335 18 12 281 24 8
300 440 395 22 12 333 24 8
350 490 445 22 12 365 26 8
400 540 495 22 16 416 28 8
450 595 550 22 16 467 30 8
500 645 600 22 20 519 30 8
600 755 705 26 20 622 32 8