1.1.5　Other gesket and accessories (1) Insulationgasketkit

（ａ）　JIS　10K Flange Standard Dimension

Unit:mm
Nominal DiaNominal Insulation Gasket Insulation Gasket Bolt Insulation Gasket Washer Steel Washer Bolt quantity
d1 D1 D2 d2 L ℓ d3 D3 d4 D4 t n
10 18 48 50 M12 70 35.5 15 24 15 24 2.5 4
15 22 52 55 M12 70 35.5 15 24 15 24 2.5 4
20 28 58 60 M12 75 39.5 15 24 15 24 2.5 4
25 35 70 71 M16 85 40 19 30 19 30 3 4
32 43 79 81 M16 85 44 19 30 19 30 3 4
40 49 85 86 M16 85 44 19 30 19 30 3 4
50 61 98 101 M16 85 44 19 30 19 30 3 4
65 77 116 121 M16 90 48 19 30 19 30 3 4
80 90 130 131 M16 90 48 19 30 19 30 3 8
90 103 140 141 M16 90 48 19 30 19 30 3 8
100 116 155 156 M16 90 48 19 30 19 30 3 8
125 143 185 187 M20 105 52 23 37 23 37 3 8
150 170 214 217 M20 110 56 23 37 23 37 3 8
175 192 239 242 M20 110 56 23 37 23 37 3 12
200 218 265 267 M20 110 56 23 37 23 37 3 12
225 243 285 287 M20 110 56 23 37 23 37 3 12
250 270 321 330 M22 115 60 25 39 25 39 4 12
300 320 370 375 M22 115 60 25 39 25 39 4 16
350 355 413 420 M22 120 64 25 39 25 39 4 16
400 406 475 483 M24 130 69 28 44 28 44 4 16
450 456 530 538 M24 135 73 28 44 28 44 4 20
500 509 585 593 M24 135 73 28 44 28 44 4 20
550 560 640 647 M30 150 77 34 56 34 56 5 20
600 611 690 697 M30 150 77 34 56 34 56 5 24

【Note】
Length of insulation bolt is applied to JIS B 2220 standard flnage except for material of gray cast iron.

 

（b）　JIS　20K Flange Standard Dimension

Unit:mm

Nominal Dia Insulation Gasket Insulation Gasket Bolt Insulation Gasket Washer Steel Washer Bolt quantity
d1 D1 D2 d2 L ℓ d3 D3 d4 D4 t n
10 18 48 50 M12 75 39.5 15 24 15 24 2.5 4
15 22 52 55 M12 75 39.5 15 24 15 24 2.5 4
20 28 58 60 M12 80 43.5 15 24 15 24 2.5 4
25 35 70 71 M16 85 44 19 30 19 30 3 4
32 43 79 81 M16 90 48 19 30 19 30 3 4
40 49 85 86 M16 90 48 19 30 19 30 3 4
50 61 100 101 M16 90 48 19 30 19 30 3 8
65 77 116 121 M16 95 52 19 30 19 30 3 8
80 90 135 137 M20 110 56 23 37 23 37 3 8
90 103 145 147 M20 110 60 23 37 23 37 3 8
100 116 160 162 M20 110 60 23 37 23 37 3 8
125 143 195 200 M22 124 64 25 39 25 39 4 8
150 170 230 235 M22 125 68 25 39 25 39 4 12
200 218 275 280 M22 130 72 25 39 25 39 4 12
250 270 345 353 M24 140 81 28 44 28 44 4 12
300 320 395 403 M24 145 85 28 44 28 44 4 16
350 355 440 447 M30×3 165 93 34 56 34 56 5 16
400 406 495 507 M30×3 180 105 34 56 34 56 5 16
450 456 560 572 M30×3 180 109 34 56 34 56 5 20
500 509 615 627 M30×3 185 113 34 56 34 56 5 20
550 560 670 681 M36×3 205 118 40 66 40 66 6 20
600 611 720 731 M36×3 210 122 40 66 40 66 6 24

【Note】
Length of insulation bolt is applied to JIS B 2220 standard flnage except for material of gray cast iron.

 

（c）　ANSI・JPI Class150Flange Standard Dimension

Unit:mm

Nominal Dia Insulation Gasket Insulation Gasket Bolt Insulation Gasket Washer Steel Washer Bolt quantity
B d1 D1 D2 d2 L ℓ d3 D3 d4 D4 t n
½ 15 44 44 UNC½ 75 34.5 15 24 15 24 2.5 4
¾ 21 54 54 UNC½ 75 37.5 15 24 15 24 2.5 4
1 27 63 63 UNC½ 80 40.5 15 24 15 24 2.5 4
1¼ 36 73 73 UNC½ 85 43.5 15 24 15 24 2.5 4
1½ 42 82 82 UNC½ 85 46.5 15 24 15 24 2.5 4
2 61 92 102 UNC⅝ 100 51 19 30 19 30 3 4
2½ 74 105 121 UNC⅝ 105 57 19 30 19 30 3 4
3 90 127 133 UNC⅝ 105 60 19 30 19 30 3 4
3½ 103 140 159 UNC⅝ 105 60 19 30 19 30 3 8
4 116 157 171 UNC⅝ 105 60 19 30 19 30 3 8
5 143 186 193 UNC¾ 115 60 23 37 23 37 3 8
6 170 216 218 UNC¾ 115 63 23 37 23 37 3 8
8 220 270 275 UNC¾ 125 70 23 37 23 37 3 8
10 275 324 336 UNC⅞ 135 74 25 39 25 39 4 12
12 326 381 406 UNC⅞ 135 77 25 39 25 39 4 12
14 355 413 447 UNC1 150 83 28 50 28 50 4 12
16 404 470 511 UNC1 155 87 28 50 28 50 4 16
18 456 533 546 UN1⅛ 170 94 34 56 34 56 5 16
20 509 584 603 UN1⅛ 180 100 34 56 34 56 5 20
24 608 692 714 UN1¼ 195 110 37 60 37 60 5 20

（d）　ANSI・JPI Class300 Flange Standard Dimension

Unit:mm
Nominal Dia Insulation Gasket Insulation Gasket Bolt Insulation Gasket Washer Steel Washer Bolt quantity
B d1 D1 D2 d2 L ℓ d3 D3 d4 D4 t n
½ 15 51 51 UNC½ 80 40.5 15 24 15 24 2.5 4
¾ 21 63 63 UNC⅝ 90 44 19 30 19 30 3 4
1 27 69 69 UNC⅝ 95 47 19 30 19 30 3 4
1¼ 36 78 78 UNC⅝ 95 51 19 30 19 30 3 4
1½ 42 91 91 UNC¾ 105 54 23 37 23 37 3 4
2 61 92 107 UNC⅝ 105 57 19 30 19 30 3 8
2½ 74 105 126 UNC¾ 115 63 23 37 23 37 3 8
3 90 127 145 UNC¾ 125 70 23 37 23 37 3 8
3½ 103 140 161 UNC¾ 125 73 23 37 23 37 3 8
4 116 157 177 UNC¾ 130 76 23 37 23 37 3 8
5 143 186 212 UNC¾ 135 82 23 37 23 37 3 8
6 170 216 247 UNC¾ 140 86 23 37 23 37 3 12
8 220 270 304 UNC⅞ 155 96 25 39 25 39 4 12
10 275 324 358 UNC1 175 109 28 50 28 50 4 16
12 326 381 419 UN1⅛ 190 116 34 56 34 56 5 16
14 355 413 482 UN1⅛ 195 122 34 56 34 56 5 20
16 404 470 537 UN1¼ 210 129 37 60 37 60 5 20
18 456 533 594 UN1¼ 215 135 37 60 37 60 5 24
20 509 584 651 UN1¼ 225 141 37 60 37 60 5 24
24 608 692 771 UN1½ 250 155 43 72 43 72 7 24

＜Kit Configuration＞
n ： Flange Bolt quantity
Parts Qty Parts Qty
Insulation Gasket：No.7020/No.N7030（N） 1 Steel Washer：ＳＳ400 2n
Insulation Bolt ：ＳＳ400＋cloth inserted phenol resin n Nut ：ＳＳ400 2n
Insulation Washer ：cloth inserted phenol resin 2n 　





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