包括美标承插焊卡套旋塞阀的生产与承插式卡套旋塞阀的销售。旋塞阀的结构简单，开关迅速，流体阻力小，角行程操作快。在事故等紧急状态下，能快速连通或切断管路。与闸阀、截止阀相比，操作更灵活，开关更迅速。旋塞阀是用带通孔的塞体作为启闭件，塞体随阀杆转动，以实现启闭动作。
美标对焊卡套旋塞阀 (150Lb-300Lb)
| 公称压力(MPa) | 公称通径(in) | 尺寸(mm) | |||||||
| d | d1 | d2 | L | b | H | Lo | Do | ||
| 150Lb | 1/2 | 13 | 21.8±0.1 | 36 | 108 | 10 | 110 | 175 | - |
| 3/4 | 19 | 27.2±0.1 | 41 | 117 | 13 | 115 | 175 | - | |
| 1 | 25 | 33.9±0.1 | 49 | 127 | 13 | 115 | 175 | - | |
| 11/4 | 32 | 42.7±0.1 | 56 | 140 | 13 | 135 | 220 | ||
| 11/2 | 38 | 48.8±0.1 | 65 | 165 | 13 | 140 | 280 | - | |
| 2 | 51 | 61.2±0.1 | 78 | 178 | 16 | 150 | 305 | - | |
| 21/2 | 64 | 74±0.2 | 90 | 190 | 16 | 165 | 350 | - | |
| 3 | 78 | 90±0.15 | 105 | 203 | 16 | 180 | 405 | - | |
| 4 | 102 | 115.6±0.15 | 126 | 229 | 19 | 380 | - | 300 | |
| 300Lb | 1/2 | 13 | 21.8±0.1 | 38 | 140 | 10 | 110 | 175 | - |
| 3/4 | 19 | 27.2±0.1 | 43 | 152 | 13 | 115 | 175 | - | |
| 1 | 25 | 33.9±0.1 | 49 | 165 | 13 | 115 | 175 | - | |
| 11/4 | 32 | 42.7±0.1 | 56 | 178 | 13 | 135 | 220 | - | |
| 11/2 | 38 | 48.8±0.1 | 65 | 190 | 13 | 140 | 280 | - | |
| 2 | 51 | 61.2±0.1 | 78 | 216 | 16 | 150 | 305 | - | |
| 21/2 | 64 | 74±0.2 | 90105 | 241 | 16 | 165 | 350 | - | |
| 3 | 78 | 90±0.15 | 126 | 283 | 16 | 180 | 405 | - | |
| 4 | 102 | 115.6±0.15 | 305 | 19 | 380 | - | 300 | ||
| 5 | 127 | 381 | |||||||
| 6 | 152 | 403 | - | ||||||
| 8 | 203 | 419 | - | ||||||
美标对焊卡套旋塞阀 (600Lb-900Lb)
主要外形尺寸及连接尺寸 注:口径4″以上带蜗轮
| 公称压力(mpa) | 公称通径 (in) | 尺寸(mm) | |||||||||
| d | d1 | d2 | d3 | L | b-f | N-Ф | H | Lo | Do | ||
| 600Lb | 1/2 | 13 | 35 | 66.5 | 95 | 165 | 15-7 | 4-Ф15 | 110 | 175 | - |
| 3/4 | 19 | 43 | 82.5 | 118 | 190 | 16-7 | 4-Ф19 | 115 | 175 | - | |
| 1 | 25 | 51 | 89 | 124 | 216 | 18-7 | 4-Ф19 | 115 | 175 | - | |
| 11/4 | 32 | 64 | 98.5 | 133 | 229 | 21-7 | 4-Ф19 | 135 | 220 | ||
| 11/2 | 38 | 73 | 114.5 | 156 | 241 | 23-7 | 4-Ф22 | 140 | 280 | - | |
| 2 | 51 | 92 | 127 | 165 | 292 | 26-7 | 8-Ф19 | 150 | 305 | - | |
| 21/2 | 64 | 100 | 149 | 190 | 330 | 29-7 | 8-Ф22 | 165 | 380 | - | |
| 3 | 76 | 127 | 168 | 210 | 356 | 32-7 | 8-Ф22 | 180 | 450 | - | |
| 4 | 102 | 157 | 216 | 273 | 432 | 38-7 | 8-Ф25 | 380 | - | 300 | |
| 5 | 127 | 186 | 266.5 | 330 | 508 | 45-7 | 8-Ф29 | 460 | - | 300 | |
| 6 | 152 | 216 | 292 | 356 | 559 | 48-7 | 12-Ф29 | 520 | - | 320 | |
| 8 | 200 | 270 | 349 | 419 | 660 | 56-7 | 12-Ф32 | 580 | - | 320 | |
| 10 | 248 | 324 | 432 | 508 | 787 | 64-7 | 16-Ф35 | 620 | - | 350 | |
| 12 | 298 | 381 | 489 | 559 | 838 | 67-7 | 20-Ф35 | 680 | - | 380 | |
| 900Lb | 1/2 | 13 | 35 | 82.5 | 121 | 229 | 22.5-7 | 4-Ф23 | 110 | 175 | - |
| 3/4 | 17 | 43 | 88.5 | 130 | 229 | 22.5-7 | 4-Ф23 | 115 | 175 | - | |
| 1 | 22 | 51 | 101.6 | 149 | 254 | 29-7 | 4-Ф26 | 115 | 175 | - | |
| 11/4 | 28 | 64 | 111.1 | 159 | 279 | 29-7 | 4-Ф26 | 135 | 220 | - | |
| 11/2 | 35 | 73 | 123.8 | 178 | 305 | 32-7 | 4-Ф29 | 140 | 280 | - | |
| 2 | 47 | 92 | 165.1 | 216 | 368 | 38.5-7 | 8-Ф26 | 150 | 305 | - | |
| 21/2 | 57 | 105 | 190.5 | 244 | 419 | 41.5-7 | 8-Ф29 | 165 | 380 | - | |
| 3 | 73 | 127 | 190.5 | 241 | 381 | 38.5-7 | 8-Ф26 | 180 | 450 | - | |
| 4 | 98 | 157 | 234.9 | 292 | 457 | 44.5-7 | 8-Ф32 | 380 | - | 300 | |
| 5 | 121 | 186 | 279.4 | 349 | 559 | 51-7 | 8-Ф35 | 460 | 300 | ||
| 6 | 146 | 216 | 317.5 | 381 | 610 | 56-7 | 12-Ф32 | 520 | - | 320 | |
| 8 | 190 | 270 | 393.7 | 470 | 737 | 63.5-7 | 12-Ф39 | 580 | - | 320 | |
| 10 | 238 | 324 | 469.9 | 545 | 938 | 70-7 | 16-Ф39 | 620 | 350 | ||
| 12 | 282 | 381 | 533.4 | 610 | 965 | 79.5-7 | 20-Ф39 | 680 | - | 380 | |
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