公称通径 DN | D | dn | L | L1 |
20✕15 | 20 | 25 | 18.5 | 16 |
25✕20 | 25 | 32 | 22 | 18.5 |
32✕25 | 32 | 40 | 26 | 22 |
40✕32 | 40 | 50 | 31 | 26 |
50✕25 | 32 | 63 | 37.5 | 22 |
50✕40 | 50 | 63 | 37.5 | 31 |
65✕50 | 63 | 75 | 43.5 | 37.5 |
80✕65 | 75 | 90 | 51 | 44 |
100✕32 | 40 | 110 | 61 | 26 |
100✕50 | 63 | 110 | 61 | 38 |
100✕80 | 90 | 110 | 61 | 51 |
125✕100 | 110 | 140 | 76 | 61 |
150✕65 | 75 | 160 | 86 | 44 |
150✕100 | 110 | 160 | 86 | 61 |
150✕125 | 140 | 160 | 86 | 76 |
200✕50 | 63 | 225 | 118 | 38 |
200✕100 | 110 | 225 | 118 | 61 |
200✕150 | 160 | 225 | 118 | 86 |
250✕100 | 110 | 280 | 146 | 61 |
250✕150 | 160 | 280 | 146 | 86 |
250✕200 | 225 | 280 | 146 | 118 |
300✕80 | 90 | 315 | 164 | 51 |
300✕250 | 280 | 315 | 164 | 146 |
350✕300 | 315 | 355 | 184 | 164 |
400✕350 | 355 | 400 | 206 | 184 |
单位为毫米 |