JIS 10K Flange Dimensions

JIS B2220 10K Flange Dimensions

JIS10K DRILLING DATA LTB
NOMINAL PIPE SIZE OUTSIDE
DIAMETER OF
FLANGE		 THIKNESS OF
FLANGE		 THIKNESS OF
BLIND		 PITCH CIRCLE
DIAMETER		 NUMBER OF
BOLT HOLES		 BOLT HOLE
DIAMETER		 BOSSED
LENGTH
SOH.SW LI		 WELD NECK
LENGTH
MM INCH C T T1 PCD # H L L1
10 3/8 90 12 12 65 4 15 16 29
15 1/2 95 12 12 70 4 15 16 31
20 3/4 100 14 14 75 4 15 20 32
25 1 125 14 14 90 4 19 20 36
32 1 1/4 135 16 16 100 4 19 22 38
40 2 1/2 140 16 16 105 4 19 24 38
50 2 155 16 16 120 4 19 24 40
65 2 1/2 175 18 18 140 4 19 27 44
80 3 185 18 18 150 8 19 30 45
90 3 1/2 195 18 18 160 8 19 N/A 45
100 4 210 18 18 175 8 19 36 45
125 5 250 20 20 210 8 23 40 47
150 6 280 22 22 240 8 23 40 53
175 7 305 22 22 265 12 23 N/A 55
200 8 330 22 22 290 12 23 N/A 58
225 9 350 22 22 310 12 23 N/A 58
250 10 400 24 24 355 12 25 36 65
300 12 445 24 24 400 16 25 38 68
350 14 490 26 26 445 16 25 42 79
400 16 560 28 28 510 16 27 44 85
450 18 620 30 30 565 20 27 48 90
500 20 675 30 30 620 20 27 48 99
550 22 745 32 34 680 20 33 52 111
600 24 795 32 36 730 24 33 52 112
650 26 845 34 38 780 24 33 56 116
700 28 905 34 40 840 24 33 58 132
750 30 970 36 44 900 24 33 62 139
800 32 1020 36 46 950 28 33 64 139
850 34 1070 36 48 1000 28 33 66 139
900 36 1120 38 50 1050 28 33 70 140
1000 40 1235 40 56 1160 28 39 74 151