公稱(chēng)直徑
DN | 外形尺寸(mm) | | D1 | D | t | Φe | n | | 15 | 65 | 95 | 12±1 | 14 | 4 | | 20 | 75 | 105 | 14±1 | 14 | 4 | | 25 | 85 | 115 | 14±1 | 14 | 4 | | 32 | 100 | 140 | 14±1 | 18 | 4 | | 40 | 110 | 150 | 16±1 | 18 | 4 | | 50 | 125 | 165 | 16±1 | 18 | 4 | | 65 | 145 | 185 | 16±1 | 18 | 4 | | 80 | 160 | 200 | 18±1 | 18 | 8 | | 100 | 180 | 220 | 18±1 | 18 | 8 | | 125 | 210 | 250 | 18±1 | 18 | 8 | | 150 | 240 | 280 | 21±1 | 22 | 8 | | 200 | 295 | 340 | 21±1 | 22 | 8 | | 250 | 350 | 390 | 21±1 | 22 | 12 | | 300 | 400 | 435 | 21±1 | 22 | 12 | | 350 | 460 | 505 | 30±2 | 22 | 16 | | 400 | 515 | 565 | 30±2 | 26 | 16
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