JIS 16K Flange Dimensions

JIS B2220 16K Flange Dimensions

JIS16K 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 31
15 1/2 95 12 12 70 4 15 16 32
20 3/4 100 14 14 75 4 15 20 34
25 1 125 14 14 90 4 19 20 36
32 1 1/4 135 16 16 100 4 19 22 39
40 2 1/2 140 16 16 105 4 19 24 39
50 2 155 16 16 120 8 19 24 40
65 2 1/2 175 18 18 140 8 19 26 46
80 3 200 20 20 160 8 23 28 49
90 3 1/2 210 20 20 170 8 23 30 50
100 4 225 22 22 185 8 23 34 56
125 5 270 22 22 225 8 25 34 60
150 6 305 24 24 260 12 25 38 79
200 8 350 26 26 305 12 25 40 73
250 10 430 28 28 380 12 27 44 81
300 12 480 30 30 430 16 27 48 88
350 14 540 34 34 480 16 33 52 104
400 16 605 38 38 540 16 33 60 115
450 18 675 40 40 605 20 33 64 126
500 20 730 42 42 660 20 33 68 128
550 22 795 44 44 720 20 39 70 135
600 24 845 46 46 770 24 39 74 141
650 26 895 48 N/A 820 24 39 77 N/A
700 28 960 50 N/A 875 24 42 80 N/A
750 30 1020 52 N/A 935 24 42 83 N/A
800 32 1085 54 N/A 990 24 48 86 N/A
850 34 1135 56 N/A 1040 24 48 89 N/A
900 36 1185 58 N/A 1090 28 48 93 N/A
1000 40 1320 62 N/A 1210 28 56 99 N/A