主要外形及连接尺寸 公称通径 | D1 | D2 | N-φD | L | H | 1.0MPa | 1.6MPa | 1.0MPa | 1.6MPa | 1.0MPa | 1.6MPa | DN50 | 165 | 125 | 4--19 | 203 | 160 | DN65 | 185 | 145 | 4--19 | 215 | 180 | DN80 | 200 | 160 | 8-19 | 241 | 200 | DNl00 | 220 | 180 | 8-19 | 270 | 270 | DNl25 | 250 | 210 | 8 -19 | 292 | 310 | DNl50 | 285 | 240 | 8-23 | 330 | 320 | DN200 | 340 | 295 | 8-23 | 12-23 | 400 | 370 | DN250 | 405 | 350 | 355 | 12-23 | 12-19 <, /TD> | 480 | 430 | N300 | 460 | 400 | 410 | 12-23 | 12-28 | 550 | 480 | DN350 | 520 | 460 | 470 | 16-28 | 16-28 | 622 | 525 | DN400 | 580 | 515 | 525 | 16-28 | 16-31 | 685 | 580 | DN450 | 640 | 565 | 585 | 20-28 | 20-31 | 750 | 635 | N500 | 715 | 620 | 650 | 20-28 | 20 -4 | 811 | 690 | DN600 | 810 | 840 | 725 | 770 | 20-31 | 20-37 | | | | |