低溫閘閥是zui常用的截斷閥之一，主要用來接通或截斷管路中的介質，不適用于調節介質流量。閘閥適用的壓力、溫度及口徑范圍很大，尤其適用于中、大口徑的管道。
【低溫閘閥】
產品型號：DZ40Y
產品口徑：DN15-600
產品壓力：0.6~10.0Mpa
產品材質：低溫鋼、合金鋼等
1.【低溫閘閥】簡介
閘閥是zui常用的截斷閥之一，主要用來接通或截斷管路中的介質，不適用于調節介質流量。閘閥適用的壓力、溫度及口徑范圍很大，尤其適用于中、大口徑的管道。
閘閥的主要優點：
（1）流體阻力小。閘閥閘體內部介質通道是直通的，介質流經閘閥時不改變其流動方向，因而流動阻力較小。
（2）啟閉較省力。啟閉時閘板運動方向與介質流動方向相垂直。與截止閥相比，閘閥的啟閉較為省力。
（3）介質流動方向一般不受限制。介質可從閘閥兩側任意方向流過，均能達到接通或截斷的目的。便于安裝，適用于介質的流動方向可能改變的管路中。
2.【低溫閘閥】主要零件材料及性能規范
主要零部件 | 閥體 閥蓋 | 碳鋼 | 鉻鎳鈦不銹鋼 | 鉻鎳鉬鈦不銹鋼 | 超低碳不銹鋼 | 鉻鉬合金鋼 | 低溫碳鋼 |
閘板 閥座 | 碳鋼堆焊硬質合金或不銹鋼 | 鉻鎳鈦不銹鋼 堆焊硬質合金 | 鉻鎳鉬鈦不銹鋼 堆焊硬質合金 | 超低碳不銹鋼 | 鉻鉬合金鋼 堆焊硬質合金 | 不銹鋼堆焊硬質合金 |
閥桿 | 鉻不銹鋼 | 鉻鎳鈦不銹鋼 | 鉻鎳鉬鈦不銹鋼 | 超低碳不銹鋼 | 鉻鉬合金鋼 | 不銹鋼 |
填料 | 石墨石棉盤根 | 浸聚四氟乙烯石棉盤根 | 柔性石墨石棉盤根 | 浸聚四氟乙烯石棉盤根 |
墊片 | 石棉墊片 | 不銹鋼帶四氟乙烯纏繞墊片 | 柔性石墨+不銹鋼 | 聚四氟乙烯 |
閥桿螺母 | 高鎳球鐵/ZguAL10Fe3 |
主要參數 | 適用介質 | 水、蒸汽、油品 | 硝酸類 | 醋酸類 | 尿素、甲銨液等 | 水、蒸汽、石油及石油產品 | 氨氣、液氨 |
適用溫度℃ | ≤425 | ≤200 | ≤200 | ≤200 | ≤550 | -45～150 |
<, /TR>
型號 | 公稱 | 主要結構尺寸(mm) | 閥體 材料 | 性能規范 |
|---|
通徑 DN(mm) | 壓力 PN(MPa) | D | D0 | L | H | 適用溫度(℃) | 適用介質 |
|---|
SFD46Z-40C150C | 1/2" | 150 | 89 | 140 | 108 | 345 | LCB | ≥-46 | NH3、丙烷 |
" | 3/4" | " | 98 | 150 | 117 | 355 | " | " | " |
" | 1" | " | 108 | 150 | 127 | 454 | " | " | " |
" | 2" | " | 152 | 200 | 178 | 481 | " | " | " |
" | 3" | " | 190 | 230 | 203 | 574 | " | " | " |
" | 4" | " | 229 | 280 | 229 | 708 | " | " | " |
" | 6" | " | 279 | 330 | 267 | 946 | " | " | " |
" | 8" | " | 343 | 380 | 292 | 1118 | " | " | " |
" | 10" | " | 406 | 460 | 330 | 1312 | " | " | " |
" | 12" | " | 483 | 510 | 356 | 1547 | " | " | " |
" | 14" | " | 533 | 560<, /o:p> | 381 | 1811 | " | " | " |
" | 16" | " | 597 | 560 | 406 | 2002 | " | " | " |
" | 18" | " | 635 | 610 | 432 | 2256 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2532 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3000 | " | " | " |
SFD101Z-40C150C | 1/2" | 150 | 89 | 140 | 108 | 405 | LC3 | ≥-101 | 乙烯等 |
" | 3/4" | " | 98 | 150 | 117 | 415 | " | " | " |
" | 1" | " | 108 | 150 | 127 | 514 | " | " | " |
" | 2" | " | 152 | 200 | 178 | 591 | " | " | " |
", | 3" | " | 190 | 230 | 203 | 634 | " | " | " |
" | 4" | " | 229 | 280 | 229 | 768 | " | " | " |
" | 6" | " | 279 | 330 | 267 | 1006 | " | " | " |
" | 8" | " | 343 | 380 | 292 | 1128 | " | " | " |
" | 10" | " | 406 | 460 | 330 | 1372 | " | " | " |
" | 12" | " | 483 | 510 | 356 | 1607 | " | " | " |
" | 14" | " | 533 | 560 | 381 | 1871 | " | " | " |
" | 16" | " | 597 | 560 | 406 | 2062 | " | " | " |
" | 18" | " | 635 | 610 | 432 | 2316 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2592 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3060 | " | " | " |
SFD196Z-40C150P | 1/2" | 150 | 89 | 140 | 108 | 405 | ZGOCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然氣等 |
" | 3/4" | " | 98 | 150 | 117 | 415 | " | " | " |
" | 1" | " | 108 | 150 | 127 | 514 | " | " | " |
" | 2" | " | 152 | 200 | 178 | 591 | " | " | " |
" | 3" | " | 190 | 230 | 203 | 634 | " | " | " |
" | 4" | " | 229 | 280 | 229 | 768 | " | " | " |
" | 6" | " | 279 | 330 | 267 | 1006 | " | " | " |
" | 8" | " | 343 | 380 | 292 | 1128 | " | " | " |
" | 10" | " | 406 | 460 | 330 | 1372 | " | " | " |
" | 12" | " | 483 | 510 | 356 | 1607 | " | " | " |
" | 14" | " | 533 | 560 | 381 | 1871 | " | " | " |
SFD196Z-40C150P | 16" | 150 | 597 | 560 | 406 | 2062 | ZGOCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然氣等 |
" | 18" | " | 635 | 610 | 432 | 2316 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2592 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3060 | " | " | " |
SFD46Z-540C150C | 16" | 150 | 597 | 560 | 406 | 2002 | LCB | ≥-46 | NH3、丙烷 |
" | 18" | " | 635 | 610 | 432 | 2256 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2532 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 300 | " | " | " |
SFD101Z-540C150C | 16" | 150 | 597 | 560 | 406 | 2062 | LC3 | ≥-101 | 乙烯等 |
" | 18" | " | 635 | 610 | 432 | 2316 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2592 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3060 | " | " | " |
SFD196Z-540C150P | 16" | 150 | 597 | 560 | 406 | 2062 | ZGOCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然氣等 |
" | 18" | " | 635 | 610 | 432 | 2316 | " | " | " |
" | 20" | " | 698 | 760 | 457 | 2592 | " | " | " |
" | 24" | " | 813 | 810 | 508 | 3060 | " | " | " |
SFD46Z-40C300C | 1/2" | 300 | | | | | LCB | ≥-46 | NH3、丙烷 |
" | 3/4" | " | | | | | " | " | " |
" | 1" | " | | | | | " | " | " |
" | 2" | " | 165 | 230 | 216 | 501 | " | " | " |
" | 3" | " | 210 | 280 | 283 | 603 | " | " | " |
" | 4" | " | 254 | 330 | 305 | 727 | " | " | " |
" | 6" | " | 318 | 380 | 403 | 969 | " | " | " |
" | 8" | " | 381 | 460 | 419 | 1175 | " | " | " |
" | 10" | " | 444 | 510 | 457 | 1426 | " | " | " |
" | 12" | " | 521 | 510 | 502 | 1611 | " | " | " |
" | 14" | " | 584 | 560 | 762 | 2014 | " | " | " |
" | 16" | " | 648 | 610 | 838 | 2230 | " | " | " |
" | 18" | " | | | | | " | " | " |
" | 20" | " | | | | | " | " | " |
" | 24" | " | | | | | " | " | " |
SFD101Z-40C300C | 1/2" | 300 | | | | | LC3 | ≥-101 | 乙烯等 |
" | 3/4" | " | | | | | " | " | " |
" | 1" | " | | | | | " | " | " |
" | 2" | " | 165 | 230 | 216 | 561 | " | " | " |
" | 3" | " | 210 | 280 | 283 | 673 | " | " | " |
" | 4" | " | 254 | 330 | 305 | 797 | " | " | " |
" | 6" | " | 318 | 380 | 403 | 1039 | " | " | " |
" | 8" | " | 381 | 460 | 419 | 1245 | " | " | " |
" | 10" | " | 444 | 510 | 457 | 1496 | " | " | " |
SFD101Z-40C300C | 12" | 300 | 521 | 510 | 502 | 1671 | LC3 | ≥-101 | 乙烯等 |
" | 14" | " | 584 | 560 | 762 | 2084 | " | " | " |
" | 16" | " | 648 | 610 | 832 | 2300 | " | " | " |
" | 18" | " | | | | | " | " | " |
" | 20" | " | | | | | " | " | " |
" | 24" | " | | | | | " | " | " |
SFD196Z-40C300P | 1/2" | 300 | | | | | ZGOCr18Ni9 | ≥-196 | 液氨, 、乙烯、液化天然氣等 |
" | 3/4" | " | 117 | 150 | 152 | 497 | " | " | " |
" | 1" | " | 124 | 150 | 165 | 522 | " | " | " |
" | 2" | " | 165 | 230 | 216 | 561 | " | " | " |
" | 3" | " | 210 | 280 | 283 | 673 | " | " | " |
" | 4" | " | 254 | 330 | 305 | 797 | " | " | " |
" | 6" <, /TD> | " | 318 | 380 | 403 | 1039 | " | " | " |
" | 8" | " | 381 | 460 | 419 | 1245 | " | " | " |
" | 10" | " | 444 | 510 | 457 | 1496 | " | " | " |
" | 12" | " | 521 | 510 | 502 | 1671 | " | " | " |
" | 14" | " | 584 | 560 | 762 | 2084 | " | " | " |
" | 16" | " | 648 | 610 | 838 | 2300 | " | " | " |
" | 18" | " | | | | | " | " | " |
" | 20" | " | | | | | " | " | " |
" | 24" | " | | | | | " | " | " |
SFD46Z-40C600C | 1/2" | 600 | | | | | LF1 | ≥-46 | NH3、丙烷 |
" | 3/4" | " | 35 | 140 | 92 | 382 | " | " | " |
" | 1" | " | 41 | 180 | 111 | 447 | " | " | " |
" | 11/2" | " | 57 | 180 | 141 | 499 | " | " | " |
" | 2" | " | 165 | 250 | 292 | 580 | " | " | " |
" | 3" | " | 210 | 300 | 356 | 790 | " | " | " |
" | 4" | " | 273 | 350 | 432 | 946 | " | " | " |
" | 6" | " | 356 | 510 | 559 | 1255 | " | " | " |
SFD101Z-40C600C | 3/4" | 600 | 38 | 140 | 92 | 422 | LC3 | ≥-101 | 乙烯等 |
" | 1" | " | 55 | 180 | 127 | 497 | " | " | " |
" | 11/2" | " | 70 | 180 | 200 | 560 | " | " | " |
" | 2" | " | 165 | 250 | 292 | 640 | " | " | " |
" | 3" | " | 210 | 300 | 356 | 860 | " | " | " |
" | 4" | " | 273 | 350 | 432 | 1010 | " | " | " |
" | 6" | " | 356 | 510 | 559 | 1320 | " | " | " |
SFD196Z-40C600P | 1/2" | 600 | 20 | 150 | 92 | 400 | OCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然氣等 |
" | 3/4" | " | 35 | 150 | 92 | 422 | " | " | " |
" | 1" | " | 41 | 180 | 133 | 497 | " | " | " |
SFD196Z-40C600P | 11/2" | 600 | 57 | 180 | 152 | 560 | OCr18Ni9 | ≥-196 | 液氨、乙烯、液化天然氣等 |
" | 2" | " | 165 | 250 | 292 | 640 | " | " | " |
" | 3" | " | 210 | 300 | 356 | 860 | " | " | " |
" | 4" | " | 273 | 350 | 432 | 1010 | " | " | " |
" | 6" | " | 356 | 510 | 559 | 1320 | " | " | " |
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