JIS 30K Flange Dimensions

JIS B2220 30K Flange Dimensions

JIS30K 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 3/8 110 16 16 75 4 19 24 N/A
15 1/2 115 18 18 80 4 19 26 45
20 3/4 120 18 18 85 4 19 28 45
25 1 130 20 20 95 4 19 30 48
32 1 1/4 140 22 22 105 4 19 32 52
40 2 1/2 160 22 22 120 4 23 34 54
50 2 165 22 22 130 8 19 36 57
65 2 1/2 200 26 26 160 8 23 40 69
80 3 210 28 28 170 8 23 44 73
90 3 1/2 230 30 30 185 8 25 46 74
100 4 240 32 32 195 8 25 48 76
125 5 275 36 36 230 8 25 54 86
150 6 325 38 38 275 12 27 58 95
200 8 370 42 42 320 12 27 64 102
250 10 450 48 48 390 12 33 72 118
300 12 515 52 52 450 16 33 78 127
350 14 560 54 54 495 16 33 84 134
400 16 630 60 60 560 16 39 92 149