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对夹双瓣蝶形止回阀主要尺寸及重量
阅读：983 发布时间：2014-5-28
对夹双瓣蝶形止回阀主要尺寸及重量：
| 压力级 | 口 径 | 尺 寸 (mm) | 重量 | 配 管 法 兰 (供参考) | ||||||||||
| NPS | DN | L | D | D3 | D2 | (㎏) | 螺栓孔中心 | 螺栓 | 螺栓直径d | 螺栓长径L1 | ||||
| 圆直径D1 | 数量 | in | mm | RF | RJ | |||||||||
| Class 150Lb PN2.0MPa | 2 | 50 | 60 | 103 | 56 | 51 | 2 | 120.5 | 4 | 5-8 | M16 | 140 | 155 | |
| 2 1/2 | 65 | 67 | 122 | 73 | 65 | 3 | 139.5 | 4 | 5-8 | M16 | 150 | 165 | ||
| 3 | 80 | 73 | 135 | 88 | 80 | 4 | 152.5 | 4 | 5-8 | M16 | 160 | 175 | ||
| 4 | 100 | 73 | 173 | 108 | 102 | 6 | 190.5 | 8 | 5-8 | M16 | 170 | 185 | ||
| 5 | 125 | 86 | 195 | 132 | 127 | 8 | 216 | 8 | 3-4 | M20 | 190 | 205 | ||
| 6 | 150 | 98 | 220 | 160 | 152 | 13 | 241.5 | 8 | 3-4 | M20 | 205 | 220 | ||
| 8 | 200 | 127 | 277 | 210 | 203 | 25 | 298.5 | 8 | 3-4 | M20 | 240 | 255 | ||
| 10 | 250 | 146 | 337 | 266 | 254 | 39 | 362 | 12 | 7-8 | M24 | 270 | 285 | ||
| 12 | 300 | 181 | 407 | 310 | 305 | 54 | 432 | 12 | 7-8 | M24 | 310 | 325 | ||
| 14 | 350 | 184 | 448 | 355 | 350 | 80 | 476 | 12 | 1 | M27 | 325 | 340 | ||
| 16 | 400 | 191 | 512 | 405 | 400 | 117 | 540 | 16 | 1 | M27 | 340 | 355 | ||
| 18 | 450 | 203 | 547 | 455 | 450 | 138 | 578 | 16 | 1 1/8 | M30 | 365 | 380 | ||
| 20 | 500 | 219 | 604 | 505 | 500 | 163 | 635 | 20 | 1 1/8 | M30 | 385 | 400 | ||
| 24 | 600 | 222 | 715 | 605 | 600 | 331 | 749.5 | 20 | 1 1/4 | M33 | 405 | 420 | ||
| 28 | 700 | 305 | 773 | 700 | 700 | 380 | 795.5 | 40 | 3-4 | M20 | 455 | - | ||
| 30 | 750 | 305 | 824 | 750 | 746 | 425 | 846 | 44 | 3-4 | M20 | 455 | - | ||
| 32 | 800 | 305 | 878 | 800 | 796 | 560 | 900 | 48 | 3-4 | M20 | 460 | - | ||
| 36 | 900 | 368 | 983 | 910 | 898 | 640 | 1009.5 | 44 | 7-8 | M24 | 540 | - | ||
| 42 | 1050 | 432 | 1142 | 1055 | 1050 | 960 | 1171.5 | 48 | 1 | M27 | 625 | - | ||
| 48 | 1200 | 524 | 1302 | 1205 | 1200 | 1400 | 1335 | 44 | 1 1/8 | M30 | 740 | - | ||
| Class 300Lb PN5.0MPa | 2 | 50 | 60 | 110 | 58 | 51 | 3 | 127 | 8 | 5-8 | M16 | 155 | 175 | |
| 2 1/2 | 65 | 67 | 128 | 73 | 65 | 4 | 149 | 8 | 3-4 | M20 | 175 | 195 | ||
| 3 | 80 | 73 | 147 | 88 | 80 | 6 | 168.5 | 8 | 3-4 | M20 | 190 | 210 | ||
| 4 | 100 | 73 | 179 | 108 | 102 | 8 | 200 | 8 | 3-4 | M20 | 195 | 215 | ||
| 5 | 125 | 86 | 214 | 132 | 127 | 15 | 235 | 8 | 3-4 | M20 | 215 | 235 | ||
| 6 | 150 | 98 | 249 | 160 | 152 | 18 | 270 | 12 | 3-4 | M20 | 230 | 250 | ||
| 8 | 200 | 127 | 305 | 210 | 203 | 31 | 330 | 12 | 7-8 | M24 | 280 | 300 | ||
| 10 | 250 | 146 | 359 | 266 | 254 | 51 | 287.5 | 16 | 1 | M27 | 315 | 335 | ||
| 12 | 300 | 181 | 420 | 310 | 305 | 77 | 451 | 16 | 1 1/8 | M30 | 365 | 385 | ||
| 14 | 350 | 222 | 483 | 355 | 350 | 117 | 514.5 | 20 | 1 1/8 | M30 | 410 | 430 | ||
| 16 | 400 | 232 | 537 | 405 | 400 | 190 | 571.5 | 20 | 1 1/4 | M33 | 435 | 455 | ||
| 18 | 450 | 264 | 594 | 455 | 450 | 200 | 628.5 | 24 | 1 1/4 | M33 | 475 | 495 | ||
| 20 | 500 | 292 | 652 | 505 | 500 | 265 | 686 | 24 | 1 1/4 | M33 | 510 | 535 | ||
| 24 | 600 | 318 | 772 | 608 | 600 | 410 | 813 | 24 | 1 1/2 | M39 | 560 | 585 | ||
| 30 | 750 | 368 | 882 | 740 | 735 | 660 | 921 | 36 | 1 3/8 | M36 | 650 | - | ||
| 36 | 900 | 483 | 1044 | 880 | 873 | 1020 | 1089 | 32 | 1 5/8 | M42 | 800 | - | ||
| 42 | 1050 | 568 | 1196 | 1045 | 1035 | 1540 | 1244.5 | 36 | 1 3/4 | M45 | 920 | - | ||
| 48 | 1200 | 629 | 1365 | 1190 | 1179 | 2260 | 1416 | |||||||