公称通径 | D | 公称压力 | 基本尺寸 | D O | L | n—¢ | 50 | 57 | | 125 | 65 | 4—¢18 | 50 | 60 | | 125 | 65 | 4—¢1 8 | 65 | 76 | | 145 | 65 | 4—¢ 18 | 80 | 89 | | 160 | 65 | 8—¢ 18 | 100 | 108 | | 180 | 70 | 8—¢ 18 | 100 | 114 | | 180 | 70 | 8—¢ 18 | 125 | 133 | 2.5 | 210 | 70 | 8—¢ 18 | 125 | 140 | 210 | 70 | 8—¢ 18 | 150 | 159 | | 240 | 70 | 8—¢ 22 | 150 | 165 | | 240 | 70 | 8—¢ 22 | 150 | 168 | | 240 | 70 | 8—¢ 22 | 200 | 219 | | 295 | 80 | 12 —¢ 22 | 250 | 273 | | 355 | 85 | 12 —¢ 25 | 300 | 325 | 1.6 | 410 | 90 | 12 —¢ 25 | 350 | 377 | 470 | 100 | 16 —¢ 25 | 400 | 426 | | 525 | 110 | 16 —¢ 30 | 450 | 480 | | 585 | 115 | 20 —¢ 30 | 500 | 530 | | 650 | 125 | 20 —¢ 34 | 600 | 630 | | 770 | 13 5 | 20 —¢ 41 |
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