美標(biāo)青銅止回閥 技術(shù)規(guī)范: |
DN | SIZE | BORE | A | B | C | D |
DN25 | 1" | 25.4 | 127 | 108 | 98.5 | 132 |
DN40 | 11/2" | 38.1 | 165 | 127 | 102 | 135 |
DN50 | 2" | 50.8 | 203 | 152.5 | 131 | 160 |
DN65 | 21/2" | 63.5 | 216 | 178 | 135 | 160 |
DN80 | 3" | 76.2 | 241 | 190 | 150 | 185 |
DN100 | 4" | 101.6 | 292 | 229 | 180 | 215 |
DN125 | 5" | 127 | 330 | 254 | 200 | 240 |
DN150 | 6" | 152.4 | 356 | 279 | 230 | 270 |
DN200 | 8" | 203.2 | 495 | 343 | 280 | 330 |
DN250 | 10" | 254 | 622 | 406 | 380 | 430 |
DN300 | 12" | 304.8 | 698 | 483 | 420 | 480 |
DN350 | 14" | 336.5 | 787 | 533 | 445 | 505 |
DN400 | 16" | 387.5 | 864 | 597 | 585 | 650 |
DN450 | 18" | 438.2 | 978 | 635 | 585 | 650 |
DN500 | 20" | 483 | 978 | 699 | 585 | 690 |
DN600 | 24" | 584 | 1295 | 915 | 772 | 956 |