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詳細介紹
DJ41Y低溫截止閥概述：
DJ41Y低溫截止閥適用于低溫液體貯運設備的管理系統，具有開關靈活、密封可靠的特點，也可用于其他低溫和深冷介質的管理系統。
DJ41Y低溫截止閥壓力試驗：
| 公稱壓力 | 1.6 | 2.5 | 4.0 |
| 強度試驗 | 2.4 | 3.8 | 6.0 |
| 水密封試驗 | 1.8 | 2.8 | 4.4 |
| 上密封試驗 | 1.8 | 2.8 | 4.4 |
| 氣密封試驗 | 0.4-0.7 | ||
DJ41Y低溫截止閥零件材料：
| 體蓋板 | 閥桿 | 密封面 | 墊片 | 埴料 | 工作溫度℃ | 適用介質 |
| LCB | 1Cr17Ni12 | DTL/DTL | 1Cr13/柔性石墨低溫石棉 | PTFE | -46 | 丙烷/丙烯 |
| LC1 | -60 | |||||
| LC2 | -73 | |||||
| LC3 | 1Cr18Ni9Ti | -101 | ||||
| LC4 | -115 | |||||
| LC8 | -196 |
DJ41Y低溫截止閥主要外形尺寸和連接尺寸（mm）：
| DN | L | D | D1 | D2 | b | z-φd | D0 | –46℃ | –101℃ | –196℃ | (Kg) |
| DJ41Y-16C/P/R DJ641Y-16C/P/R DJ9B41Y-16C/P/R | |||||||||||
| 50 | 230 | 160 | 125 | 100 | 16 | 4-φ18 | 240 | 460 | 480 | 520 | 15 |
| 65 | 290 | 180 | 145 | 120 | 18 | 4-φ18 | 280 | 475 | 505 | 525 | 23 |
| 80 | 310 | 195 | 160 | 135 | 20 | 8-φ18 | 280 | 520 | 550 | 590 | 28 |
| 100 | 350 | 215 | 180 | 155 | 20 | 8-φ18 | 320 | 545 | 575 | 615 | 32 |
| 125 | 400 | 245 | 210 | 185 | 22 | 8-φ18 | 360 | 590 | 620 | 660 | 88 |
| 150 | 480 | 280 | 240 | 210 | 24 | 8-φ18 | 400 | 650 | 680 | 730 | 98 |
| 200 | 600 | 335 | 295 | 265 | 26 | 12-φ23 | 400 | 850 | 880 | 930 | 155 |
| 250 | 730 | 405 | 355 | 320 | 30 | 12-φ25 | 450 | 956 | 986 | 1036 | 425 |
| 300 | 850 | 460 | 410 | 375 | 30 | 12-φ25 | 500 | 1095 | 1125 | 1175 | 641 |
| DJ41Y-25C/P/R DJ641Y-25C/P/R DJ9B41Y-25C/P/R | |||||||||||
| 50 | 230 | 160 | 125 | 100 | 20 | 4-φ18 | 240 | 460 | 480 | 520 | 16 |
| 65 | 290 | 180 | 145 | 120 | 22 | 8-φ18 | 280 | 475 | 505 | 525 | 23 |
| 80 | 310 | 195 | 160 | 135 | 22 | 8-φ18 | 280 | 520 | 550 | 590 | 29 |
| 100 | 350 | 230 | 190 | 160 | 24 | 8-φ23 | 320 | 545 | 575 | 615 | 32 |
| 125 | 400 | 270 | 220 | 188 | 28 | 8-φ25 | 360 | 590 | 620 | 660 | 90 |
| 150 | 480 | 300 | 250 | 218 | 30 | 8-φ25 | 400 | 650 | 680 | 730 | 98 |
| 200 | 600 | 360 | 310 | 278 | 34 | 12-φ25 | 400 | 850 | 880 | 930 | 159 |
| 250 | 730 | 425 | 370 | 332 | 36 | 12-φ30 | 450 | 956 | 986 | 1036 | 436 |
| 300 | 850 | 485 | 430 | 390 | 40 | 16-φ30 | 500 | 1095 | 1125 | 1175 | 657 |
| DJ41Y-40C/P/R DJ641Y-40C/P/R DJ9B41Y-40C/P/R | |||||||||||
| 50 | 230 | 160 | 125 | 100 | 88 | 20 | 240 | 483 | 504 | 546 | 16 |
| 65 | 290 | 180 | 145 | 120 | 110 | 22 | 280 | 499 | 530 | 551 | 24 |
| 80 | 310 | 195 | 160 | 135 | 21 | 22 | 280 | 546 | 578 | 620 | 30 |
| 100 | 350 | 230 | 190 | 160 | 150 | 24 | 320 | 572 | 604 | 646 | 33 |
| 125 | 400 | 270 | 220 | 188 | 176 | 28 | 360 | 620 | 651 | 693 | 93 |
| 150 | 480 | 300 | 250 | 218 | 204 | 30 | 400 | 683 | 741 | 767 | 100 |
| 200 | 600 | 360 | 320 | 282 | 260 | 38 | 400 | 893 | 924 | 977 | 163 |
| 250 | 730 | 425 | 385 | 345 | 313 | 42 | 450 | 1004 | 1035 | 1088 | 447 |
| 300 | 850 | 485 | 450 | 408 | 364 | 46 | 500 | 1150 | 1181 | 1234 | 673 |
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