Sheet & Cut Gasket products
Flat Ring Gaskets Dimensions TO ASME B16.21 ( used with ASME/ANSI B16.5 RF flanges )
NOMINAL PIPE SIZE | INSIDE DIAMETER | OUTSIDE DIAMETER | ||||||
DN | INCH | #150 | #300 | #400 | #600 | #900 | ||
15 | ½ | 21 | 48 | 54 | 54 | 54 | 64 | |
20 | ¾ | 27 | 57 | 67 | 67 | 67 | 70 | |
25 | 1 | 33 | 67 | 73 | 73 | 73 | 79 | |
32 | 1 1/4 | 42 | 76 | 83 | 83 | 83 | 89 | |
40 | 1 1/2 | 48 | 86 | 95 | 95 | 95 | 98 | |
50 | 2 | 60 | 105 | 111 | 111 | 111 | 143 | |
65 | 21/2 | 73 | 124 | 130 | 130 | 130 | 165 | |
80 | 3 | 89 | 137 | 149 | 149 | 149 | 168 | |
90 | 31/2 | 102 | 162 | 165 | 162 | 162 | - | |
100 | 4 | 114 | 175 | 181 | 178 | 194 | 206 | |
125 | 5 | 141 | 197 | 216 | 213 | 241 | 248 | |
150 | 6 | 168 | 222 | 251 | 248 | 267 | 289 | |
200 | 8 | 219 | 279 | 308 | 305 | 321 | 359 | |
250 | 10 | 273 | 340 | 362 | 359 | 400 | 435 | |
300 | 12 | 324 | 410 | 422 | 419 | 457 | 498 | |
350 | 14 | 356 | 451 | 486 | 483 | 492 | 521 | |
400 | 16 | 406 | 514 | 540 | 537 | 565 | 575 | |
450 | 18 | 457 | 549 | 597 | 594 | 613 | 638 | |
500 | 20 | 508 | 606 | 654 | 648 | 683 | 699 | |
600 | 24 | 610 | 718 | 775 | 768 | 791 | 838 |