FAQ: Face to face length EN 558

Sizes of valves for use in systems with flanges. The EN 558 standard bundles several international standards regarding Face to Face (FtF) lengths of valves. On this page you will find a comprehensive overview of the most common installation dimension tables from the EN 558 of metal valves for use in pipeline systems with flange connections.
Basic series Origin
1 DIN 3202-1 — Series F 1
2 DIN 3202-1 — Series F 2
3 ASME/ANSI B16.10, Table 1, column 8 and 9
4 ASME/ANSI B16.10, Table 2, column 11
5 ASME/ANSI B16.10, Table 4, column 5
7 BS 2080 Table 1 Series 7
8 DIN 3202-1 — Series F 32
9 DIN 3202-1 — Series F 33
10 ASME/ANSI B16.10, Table 1, column 16
11 ASME/ANSI B16.10, Table 1, column 17
12 ASME/ANSI B16.10, Table 1, column 3; BS 2080, Table 1, column 12
13 BS 2080, Table 1 Series 13
14 DIN 3202-1 — Series F 4
15 DIN 3202-1 — Series F 5
16 BS 2080, Table 1 Series 16
18 BS 2080, Table 1 Series 18
19 ASME/ANSI B16.10, Table 2, column 1
20 ASME/ANSI B16.10, Table 9, columns 3 and 4
21 ASME/ANSI B16.10, Table 10, columns 16 and 18
22 BS 2080, Table 1, Series 63
23 BS 2080, Table 1, Series 63
24 ASME/ANSI B16.10, Table 4, column 12
25 BS 2080, Table 1, Series 64
 
DN Basic series
  1 2 3 4 5 7 8a 9a 10 11a 12 13 14 15 16 18 19 20 21 22a 23a 24a
10 130 210 102 108 90 105 130 115 80 65 70
15 130 210 108 140 165 108 90 105 108 57 130 115 80 140 152 65 70 83
20 150 230 117 152 190 117 95 115 117 64 130 120 90 152 178 70 75 95
25 160 230 127 165 216 127 100 115 127 70 140 125 120 100 165 216 80 85 108
32 180 260 140 178 229 146 105 130 140 76 165 130 140 110 178 229 90 95 114
40 200 260 165 190 241 159 115 130 165 83 165 106 140 240 33 120 190 33 241 95 100 151
50 230 300 178 216 292 190 125 150 203 102 203 108 150 250 43 135 216 43 267 105 115 146
65 290 340 190 241 330 216 145 170 216 108 222 112 170 270 46 165 241 46 292 115 125 165
80 310 380 203 283 356 254 155 190 241 121 241 114 180 280 64 185 283 46 318 125 135 178
100 350 430 229 305 432 305 175 215 292 146 305 127 190 300 64 229 305 52 356 135 146 216
125 400 500 254 381 508 356 200 250 330 178 356 140 200 325 70 381 56 400 254
150 480 550 267 403 559 406 225 275 356 203 394 140 210 350 76 403 56 444 279
200 600 650 292 419 660 521 275 325 495 248 457 152 230 400 89 419 60 533 330
250 730 775 330 457 787 635 325 390 622 311 533 165 250 450 114 457 68 622 394
300 850 900 356 502 838 749 375 450 698 349 610 178 270 500 114 502 78 711 419
350 980 1025 381 762 889 425 515 787 394 686 190 290 550 127 572 78 838
400 1100 1150 406 838 991 475 575 914 457 762 216 310 600 140 610 102 864
450 1200 1275 432 914 1092 500 978 483 864 222 330 650 152 660 114 978
500 1250 1400 457 991 1194 700 978 914 229 350 700 152 711 127 1016
600 1450 1600 508 1143 1397 1295 1067 267 390 800 178 787 154 1346
700 1650 610 1549 1448 292 430 900 229 165 1499
750 610 1397 1651 1524 165
190
1594
800 1850 660 1651 1676 318 470 1000 241 190 1778
900 2050 711 2083 1956 330 510 1100 241 200
203
2083
1000 2250 813 410 550 1200 300 251
216
1200 470 630 350 276
254
1400 530 710 390 279
1600 600 790 440 318
1800 670 870 490 356
2000 760 950 540 406
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