主要外形和连接尺寸
main external and connection dimension | DN | PN | D | D1 | b | L | A | B | H | | 500 | 1.0 | 670 | 620 | 43 | 229 | 720 | 1650 | 1360 | | 600 | 1.0 | 780 | 725 | 48 | 267 | 720 | 1730 | 1390 | | 700 | 1.0 | 895 | 840 | 54 | 292 | 720 | 1800 | 1445 | | 800 | 1.0 | 1015 | 950 | 58 | 318 | 720 | 1870 | 1485 | | 900 | 1.0 | 1115 | 1050 | 61 | 330 | 720 | 2070 | 1865 | | 1000 | 1.0 | 1230 | 1160 | 67 | 410 | 755 | 2165 | 1930 | | 1200 | 1.0 | 1445 | 1380 | 65 | 470 | 905 | 2265 | 2030 | | 1400 | 1.0 | 1675 | 1590 | 68 | 530 | 905 | 2665 | 2270 | | 1200 | 0.6 | 1405 | 1340 | 65 | 470 | 755 | 2365 | 2025 | | 1400 | 0.6 | 1630 | 1560 | 68 | 530 | 755 | 2665 | 2270 | | 1600 | 0.6/0.25 | 1830 | 1760 | 68 | 600 | 905 | 2940 | 2380 | | 1800 | 0.6/0.25 | 2045 | 1970 | 70 | 670 | 905 | 3325 | 2470 | | 2000 | 0.25 | 2265 | 2180 | 54 | 760 | 905 | 3660 | 2370 | | 2200 | 0.25 | 2475 | 2390 | 60 | 840 | 1123 | 4325 | 2940 | | 2400 | 0.25 | 2685 | 2600 | 62 | 910 | 1123 | 4530 | 3000 | 注：可根据用户要求从DN250-3000生产（GB12221）长系列，从DN1200-3000带底脚的需注明。 |
