公稱(chēng)直徑 DN | 公稱(chēng)外徑 dn | 外形尺寸(mm) | D | d | Z | D1 | Φe | t | n | 15 | 20 | 95 | 20 | 16 | 65 | 14 | 13 | 4 | 20 | 25 | 105 | 25 | 20 | 75 | 14 | 17 | 4 | 25 | 32 | 115 | 32 | 22 | 85 | 14 | 18 | 4 | 32 | 40 | 140 | 40 | 27 | 100 | 18 | 20 | 4 | 40 | 50 | 150 | 50 | 31 | 110 | 18 | 20 | 4 | 50 | 63 | 165 | 63 | 38 | 125 | 18 | 25 | 4 | 65 | 80 | 185 | 75 | 44 | 145 | 18 | 25 | 4 | 80 | 90 | 200 | 90 | 51 | 160 | 18 | 26 | 8 | 100 | 110 | 220 | 110 | 61 | 180 | 18 | 28 | 8 | 125 | 140 | 250 | 140 | 76 | 210 | 18 | 30 | 8 | 150 | 160 | 280 | 160 | 86 | 240 | 22 | 30 | 8 | 200 | 225 | 334 | 225 | 119 | 295 | 22 | 30 | 8 | 250 | 281 | 395 | 280 | 146 | 350 | 22 | 30 | 12 | 300 | 315 | 445 | 315 | 164 | 400 | 22 | 43 | 12 | 400 | 400 | 565 | 400 | 200 | 515 | 26 | 60 | 16 | |