公稱(chēng)直徑 DN | 公稱(chēng)外徑 dn | 外形尺寸(mm) | D | d | H | Z | 15 | 20 | 26 | 20 | 23 | 16 | 20 | 25 | 32 | 25 | 27 | 20 | 25 | 32 | 40 | 32 | 33 | 22 | 32 | 40 | 50 | 40 | 44 | 27 | 40 | 50 | 61 | 50 | 46 | 31 | 50 | 63 | 75 | 63 | 60 | 38 | 65 | 75 | 88 | 75 | 70 | 44 | 80 | 90 | 104 | 90 | 80 | 51 | 100 | 110 | 127 | 110 | 96 | 61 | 125 | 140 | 161 | 140 | 120 | 76 | 150 | 160 | 184 | 160 | 130 | 86 | 200 | 225 | 249 | 225 | 170 | 119 | 250 | 280 | 309 | 280 | 210 | 146 | 300 | 315 | 346 | 316 | 236 | 164 | |