產品分類
130 6668 0708
沈陽市于洪區(qū)細河南路47-7號
低溫閘閥DZ40Y
2016-08-10
閘閥是最常用的截斷閥之一，主要用來接通或截斷管路中的介質，不適用于調節(jié)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(yōu)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。
主要零件材料及性能規(guī)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(shù) | 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 | |||
| 型號 | 公稱 | 主要結構尺寸(mm) |
閥體 材料 |
性能規(guī)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 | 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 |
