【產品用途】
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
【執行標準】
設計與制造：JB/T7749-95
結構長度：GB/T12221-89
連接端：GB/T9113-2000，HG20592-97，SH3406-96GB/T12224-89
檢驗與試驗：JB/T7749-95
【性能參數】
型號 | DJ41Y-16 | DJ41Y-16P | DJ41Y-25 | DJ41Y-25P | DJ41Y-40 | DJ41Y-40P | |
工作壓力（MPa） | 1.6 | 2.5 | 4.0 | ||||
適用溫度（℃） | -45 | -101 | -196 | ||||
適用介質 | 液化天然氣、乙烯、丙烯等低溫介質 | ||||||
材料 | 閥體、閥蓋 | LCB | LC3 | LCB | LC3 | LCB | LC3 |
閥瓣、閥座 | 鉻鎳鋼＋鈷鉻鎢 | ||||||
閥桿 | 鉻鎳鋼 | ||||||
主要外形和連接尺寸
| 公稱通徑 | 主要外形尺寸和連接尺寸 | H | ||||||||
| L | D | D1 | D2 | b | Z-d | D0 | -46℃ | -101℃ | -196℃ | |
| DJ41Y-16C DJ41Y-16P DJ41Y-16R DJ641Y-16C DJ641Y-16P DJ641Y-16R DJ9B41Y-16C DJ9B41Y-16P DJ9B41Y-16R | ||||||||||
| 50 | 230 | 160 | 125 | 100 | 16 | 4-18 | 240 | 460 | 480 | 520 |
| 65 | 290 | 180 | 145 | 120 | 18 | 4-18 | 280 | 475 | 505 | 525 |
| 80 | 310 | 195 | 160 | 135 | 20 | 8-18 | 280 | 520 | 550 | 590 |
| 100 | 350 | 215 | 180 | 155 | 20 | 8-18 | 320 | 545 | 575 | 615 |
| 125 | 400 | 245 | 210 | 185 | 22 | 8-18 | 360 | 590 | 620 | 660 |
| 150 | 480 | 280 | 240 | 210 | 24 | 8-23 | 400 | 650 | 650 | 730 |
| 200 | 600 | 335 | 295 | 265 | 26 | 12-23 | 400 | 850 | 850 | 930 |
| 250 | 730 | 405 | 355 | 320 | 30 | 12-25 | 450 | 956 | 986 | 1036 |
| 300 | 850 | 460 | 410 | 375 | 30 | 12-25 | 500 | 1095 | 1125 | 1175 |
| DJ41Y-25 DJ41Y-25P DJ41Y-25R DJ641Y-25C DJ641Y-25P DJ641Y-25R DJ9B41Y-25C DJ9B41Y-25P DJ9B41Y-25R | ||||||||||
| 50 | 230 | 160 | 125 | 100 | 20 | 4-18 | 240 | 460 | 480 | 520 |
| 65 | 290 | 180 | 145 | 120 | 22 | 8-18 | 280 | 475 | 505 | 525 |
| 80 | 310 | 195 | 160 | 135 | 22 | 8-18 | 280 | 520 | 550 | 590 |
| 100 | 350 | 230 | 190 | 160 | 24 | 8-23 | 320 | 545 | 575 | 615 |
| 125 | 400 | 270 | 220 | 188 | 28 | 8-25 | 360 | 590 | 620 | 660 |
| 150 | 480 | 300 | 250 | 218 | 30 | 8-25 | 400 | 650 | 680 | 730 |
| 200 | 600 | 360 | 310 | 278 | 34 | 12-25 | 400 | 850 | 880 | 930 |
| 250 | 730 | 425 | 370 | 332 | 36 | 12-30 | 450 | 956 | 986 | 1036 |
| 300 | 850 | 485 | 430 | 390 | 40 | 16-30 | 500 | 1095 | 1125 | 1175 |
| DJ41Y-40 DJ41Y-40P DJ41Y-40R DJ641Y-40C DJ641Y-40P DJ641Y-40R DJ9B41Y-40C DJ9B41Y-40P DJ9B41Y-40R | ||||||||||
| 50 | 230 | 160 | 125 | 100 | 20 | - | 240 | 483 | 504 | 546 |
| 65 | 290 | 180 | 145 | 120 | 22 | - | 280 | 499 | 530 | 551 |
| 80 | 310 | 195 | 160 | 135 | 22 | - | 280 | 546 | 578 | 620 |
| 100 | 350 | 230 | 190 | 160 | 24 | - | 320 | 572 | 604 | 646 |
| 125 | 400 | 270 | 220 | 188 | 28 | - | 360 | 620 | 61 | 693 |
| 150 | 480 | 300 | 250 | 218 | 30 | - | 400 | 683 | 741 | 767 |
| 200 | 600 | 360 | 320 | 282 | 38 | - | 400 | 893 | 924 | 977 |
| 250 | 730 | 425 | 385 | 345 | 42 | - | 450 | 1004 | 1035 | 1088 |
| 300 | 850 | 485 | 450 | 408 | 46 | - | 500 | 1150 | 1181 | 1234 |
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