称直径
DN | 公称直径
dn | 外形尺寸(mm) | | D | d | L | Z | | 15 | 20 | 26 | 20 | 35 | 16 | | 20 | 25 | 32 | 25 | 40 | 20 | | 25 | 32 | 40 | 32 | 48 | 22 | | 32 | 40 | 50 | 40 | 56 | 27 | | 40 | 50 | 61 | 50 | 66 | 31 | | 50 | 63 | 75 | 63 | 80 | 38 | | 65 | 75 | 88 | 75 | 92 | 44 | | 80 | 90 | 104 | 90 | 107 | 51 | | 100 | 110 | 127 | 110 | 128 | 61 | | 125 | 140 | 161 | 140 | 159 | 76 | | 150 | 160 | 184 | 160 | 183 | 86 | | 200 | 225 | 249 | 225 | 248 | 119 | | 250 | 228 | 310 | 280 | 302 | 146 | | 300 | 315 | 351 | 315 | 331 | 164 | | 350 | 355 | 391 | 355 | 380 | 185 | | 400 | 400 | 431 | 400 | 430 | 210 | | 450 | 450 | 495 | 450 | 750 | 270 | | 500 | 500 | 540 | 500 | 760 | 290 | | 600 | 630 | 678 | 630 | 890 | 330 | |
