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美標夾套保溫卡套旋塞閥是采用帶通孔的塞體作為啟閉件,塞體隨閥桿轉動,來實現啟閉動作的閥門。塞體多為圓錐體,也有圓柱體的.結構簡單、啟閉迅速、流阻小、維修方便,密封性能好等特點。驅動方式: 手柄，蝸輪蝸桿傳動，氣動，電動。產品廣泛應用于化工、石油、輕紡、水電、食品制藥、醫藥、造紙等工業管道的系統控制。
當前旋塞閥廣泛地應用于油田開采、輸送和精練設備中，同時也廣泛用于石油化工、化工、煤氣、天然氣、液化石油氣、暖通行業以及一般工業中。
（加大法蘭）口徑4″及4″以上帶蝸輪
| DN | L | d1 | d2 | d3 | b | f | c | H | K | M | N | N-ФZ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 150Lb | ||||||||||||
| 1/2 | 108 | 51 | 79.5 | 108 | 11 | 2 | 300 | 150 | 0 | 25 | 35 | 4-15 |
| 3/4 | 117 | 73 | 98.5 | 127 | 11 | 2 | 300 | 155 | 0 | 25 | 40 | 4-15 |
| 1 | 127 | 92 | 120.5 | 152 | 12 | 2 | 300 | 160 | 0 | 25 | 45 | 4-19 |
| 11/4 | 140 | 92 | 120.5 | 152 | 13 | 2 | 350 | 160 | 0 | 25 | 50 | 4-19 |
| 11/2 | 165 | 127 | 152.5 | 190 | 15 | 2 | 400 | 190 | 0 | 40 | 70 | 4-19 |
| 2 | 178 | 127 | 152.5 | 190 | 16 | 2 | 500 | 200 | 0 | 40 | 70 | 4-19 |
| 21/2 | 190 | 127 | 152.5 | 190 | 18 | 2 | 500 | 220 | 0 | 40 | 80 | 4-19 |
| 3 | 203 | 157 | 190.5 | 279 | 19 | 2 | 500 | 230 | 0 | 40 | 100 | 8-19 |
| 4 | 229 | 216 | 241.5 | 279 | 22 | 2 | / | 380 | 0 | 50 | 100 | 8-22 |
| 5 | 254 | 216 | 241.5 | 279 | 24 | 2 | / | 460 | 0 | 50 | 120 | 8-22 |
| 6 | 267 | 270 | 298.5 | 343 | 26 | 2 | / | 520 | 0 | 50 | 150 | 8-22 |
| 8 | 292 | 324 | 362 | 406 | 29 | 2 | / | 580 | 0 | 80 | 170 | 12-25 |
| 10 | 330 | 381 | 432 | 483 | 31 | 2 | / | 620 | 0 | 80 | 190 | 12-25 |
| 12 | 356 | 413 | 476 | 533 | 32 | 2 | / | 680 | 0 | 80 | 200 | 12-29 |
| 300Lb | ||||||||||||
| 1/2 | 140 | 51 | 89 | 124 | 15 | 2 | 300 | 150 | 0 | 25 | 35 | 4-19 |
| 3/4 | 152 | 73 | 114.5 | 156 | 16 | 2 | 300 | 155 | 0 | 25 | 40 | 4-22 |
| 1 | 165 | 92 | 127 | 165 | 18 | 2 | 300 | 160 | 0 | 25 | 45 | 8-19 |
| 11/4 | 178 | 92 | 127 | 165 | 19 | 2 | 350 | 180 | 0 | 25 | 50 | 8-19 |
| 11/2 | 190 | 127 | 168.5 | 210 | 21 | 2 | 400 | 190 | 0 | 40 | 70 | 8-22 |
| 2 | 216 | 127 | 168.5 | 210 | 23 | 2 | 500 | 200 | 0 | 40 | 70 | 8-22 |
| 21/2 | 241 | 127 | 168.5 | 210 | 26 | 2 | 500 | 220 | 0 | 40 | 80 | 8-22 |
| 3 | 283 | 157 | 200 | 254 | 29 | 2 | 500 | 230 | 0 | 40 | 100 | 8-22 |
| 4 | 305 | 216 | 270 | 318 | 32 | 2 | / | 380 | 0 | 50 | 100 | 12-22 |
| 5 | 381 | 216 | 270 | 318 | 35 | 2 | / | 460 | 0 | 50 | 120 | 12-22 |
| 6 | 403 | 270 | 330 | 381 | 37 | 2 | / | 520 | 0 | 50 | 150 | 12-25 |
| 8 | 419 | 324 | 387.5 | 445 | 42 | 2 | / | 580 | 0 | 80 | 170 | 16-29 |
| 10 | 457 | 381 | 451 | 521 | 48 | 2 | / | 620 | 0 | 80 | 190 | 16-32 |
| 12 | 502 | 413 | 514.5 | 584 | 51 | 2 | / | 680 | 0 | 80 | 200 | 20-32 |
| 600Lb | ||||||||||||
| 1/2 | 165 | 51 | 89 | 124 | 22 | 7 | 300 | 150 | 0 | 25 | 50 | 4-19 |
| 3/4 | 190 | 73 | 114.5 | 156 | 23 | 7 | 300 | 155 | 0 | 25 | 50 | 4-22 |
| 1 | 216 | 92 | 127 | 165 | 25 | 7 | 300 | 160 | 0 | 25 | 50 | 8-19 |
| 11/4 | 229 | 92 | 127 | 165 | 28 | 7 | 350 | 180 | 0 | 25 | 60 | 8-19 |
| 11/2 | 241 | 127 | 168 | 210 | 30 | 7 | 400 | 190 | 0 | 40 | 80 | 8-22 |
| 2 | 292 | 127 | 168 | 210 | 33 | 7 | 500 | 200 | 0 | 40 | 80 | 8-22 |
| 21/2 | 330 | 127 | 168 | 210 | 36 | 7 | 500 | 220 | 0 | 40 | 90 | 8-22 |
| 3 | 356 | 157 | 216 | 273 | 39 | 7 | / | 230 | 0 | 40 | 110 | 8-25 |
| 4 | 432 | 216 | 292 | 356 | 45 | 7 | / | 380 | 0 | 50 | 110 | 12-29 |
| 5 | 508 | 216 | 292 | 356 | 52 | 7 | / | 460 | 0 | 50 | 130 | 12-29 |
| 6 | 559 | 270 | 349 | 419 | 55 | 7 | / | 520 | 0 | 50 | 160 | 12-32 |
| 8 | 660 | 324 | 432 | 508 | 63 | 7 | / | 580 | 0 | 80 | 180 | 16-35 |
| 10 | 787 | 381 | 489 | 559 | 71 | 7 | / | 620 | 0 | 80 | 200 | 20-35 |
| 12 | 838 | 413 | 527 | 603 | 74 | 7 | / | 680 | 0 | 80 | 210 | 20-38 |
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