Gasket dimensions for flat ring and full face applications

JIS – 5K

Nominal diameter IBC and full face gasket inner diameter IBC gasket outer diameter Full face
Gasket outer diameter Bolt P.C.D. Diameter of bolt holes Number of bolts
10 17.8 45 75 55 12 4
15 22.2 50 80 60 12 4
20 27.7 55 85 65 12 4
25 34.5 65 95 75 12 4
32 43.2 78 115 90 15 4
40 49.1 83 120 95 15 4
50 61.1 93 130 105 15 4
65 77.1 118 155 130 15 4
80 90.0 129 180 145 19 4
90 102.6 139 190 155 19 4
100 115.4 149 200 165 19 8
125 141.2 184 235 200 19 8
150 166.6 214 265 230 19 8
175 192.1 240 300 260 23 8
200 218.0 260 320 280 23 8
225 243.7 285 345 305 23 12
250 269.5 325 385 345 23 12
300 310.0 370 430 390 23 12
350 358.1 413 480 435 25 12
400 409.0 473 540 495 25 16
450 460.0 533 605 555 25 16
500 511.0 583 655 605 25 20
550 562.0 641 720 665 27 20
600 613.0 691 770 715 27 20
650 664.0 746 825 770 27 24
700 715.0 796 875 820 27 24
750 766.0 850 945 880 33 24
800 817.0 900 995 930 33 24
850 868.0 950 1045 980 33 24
900 919.0 1000 1095 1030 33 24
1000 1021.0 1100 1195 1130 33 28