R900912655 LFA16H2-7X/F力士乐插装阀

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力士乐REXROTH二通插装阀，压力控制功能
LFA..DBU2A
R900947692 LFA25DBU2A2-71/100A025
R900923101 LFA25DBU2A2-71/315A200
R900932664 LFA32DBU2B2-71/315A200
规格 16 … 100
组件系列 6X, 7X
大工作压力 420 bar
规格 16 … 100
组件系列 6X, 7X
用于压力功能的二通插装阀为先导式座阀或滑阀。设计为插装阀的功率单元安装在按照 DIN ISO 7368 进行标准化的接收孔内，且使用控制盖闭合。
用于手动或电动比例压力调节的先导控制阀作为先导阀集成到控制盖内或安装在控制盖上，其安装尺寸符合 DIN 24 340。
通过将插装阀与控制盖组合，可以实现不同的压力功能。
压力溢流功能
用于压力溢流功能的插装阀（型号 LC .DB...）被设计为无面积差的座阀（在油口 B 处无有效面积）。油口 A 处的有效压力经先导油供油节流孔导入到元件的弹簧侧。在先导控制阀上设定的压力下，阀芯由弹簧力进行压力补偿和闭合。
当达到调定压力时，阀芯开启，且油口 A 处的压力将根据压力-流体特性而受到限制。
减压功能
静止位置开启
用于减压功能的插装阀被设计为无面积差的滑阀（在油口 B 处无有效面积）。
作为先导控制阀，应使用具有压力溢流功能的相同盖类型（型号 LFA..DB...）。
油口 A 处的有效压力经先导油供油节流孔引入到阀芯的弹簧侧。在性能限制和先导控制阀设定的压力下，阀芯由弹簧力进行压力补偿并保持在开启位置，以实现从油口 B 到油口 A 的自由流动。
当达到调定压力时，阀芯闭合并且油口 A 处的压力将根据压力-流体特性降低。

力士乐插装阀盖板LFA25DBU2A2-7X/315A100
R900929835
公称尺寸 25，手动压力设置，双倍，可切换，带安装面 ISO4401
2 通插装阀的控制盖，根据液压符号，与 2 通插装阀组合可实现可靠的压力限制
六角
多个压力等*
**压力 [bar] 420
连接类型 板式结构
标称尺寸 25
驱动类型 手动压力调节
液压油 HL,HLP,HLPD,HVLP,HVLPD,HFC
密封 NBR
重量 [kg] 3.3



力士乐REXROTH二通活动可控插装阀
LC2A
规格 16 … 125
组件系列 1X
大工作压力 450 bar
大流量 17000 l/min
规格 16 … 125
组件系列 1X
二位二通活动可控方向插装阀（“两*主动逻辑”）
模块化设计，柔性油路设置
符合 ISO 7368 的安装孔
采用流量优化的几何，*证了能量效率
采用集成式轴密封件，*证无泄漏
具有阀芯位置监控“关闭”和/或“开启”或模拟（也可重新配置）
BG 证书
LC2A 型二通插装阀（以下简称“主动逻辑”）采用紧凑模块化设计，其基本构成为插件（控制阀芯）和插口、作为固定功能单元的中间盖 和 LFA 型控制盖（其为力士乐标准逻辑程序的一部分）。此控制盖（单独订购）建立了与先导控制阀和/或其他液压元件的连接，并以此集成大部分的不同功能 - 与基本装配无关。几乎可以安装所有标准的和型号为 LFA 的特殊控制盖。可选地，主动逻辑可用于位置开关。默认情况下，将记录控制阀芯 的“闭合”位置。用于位置开关的接收孔为标配。这意味着可随时加装位置开关“Q7”，而不需要进行调节。与逻辑装配件在弹簧腔中只有一个控制区域（“被动逻辑”）相反，名称“主动逻辑”明显代表带差动阀芯的型号，其至少有一个附加控制区域 A4 （“两*主动逻辑”）。此区域允许通过先导压力（而无需主油口 A 或 B 的压力）打开或保持打开主动逻辑。控制阀芯 的弹簧腔区域 A5 由单独区域 A1 + A2 + A4构成。与不带控制区域 A4 的被动逻辑相比，这会导致多余区域，这些多余区域可通过合适的液压油路在闭合和保持闭合（多余的力、闭合速率）期间提供优势。
用于方向控制功能的主动逻辑
根据任务，控制阀芯型号可能不同。活动区域几乎可以任何方式与可用先导油导向环连接，这样便可仅通过 1 种基本装配实现大部分的不同功能。
安装孔
LC2A 型主动逻辑可以根据 ISO 7368 直接安装在标准安装孔中。因此，它也适用于对必须在内部无泄漏或需要位置监控或更快关闭时间的现有“被动逻辑”进行加装。



力士乐REXROTH二通方向控制功能插装阀
LFA..D（标准）
R900925453 LFA25D-71/FX08
R900924596 LFA32D-7X/FX15
R900912619 LFA16E-71/CA40DQMG24F
标准系列
规格 16 … 160
组件系列 6X, 2X, 7X
大工作压力 420 bar
大流量 25000 l/min
带遥控口
二通插装阀是专门用于紧凑油路块设计的元件。连接 A 和 B 的功率单元安装在多路阀中符合 ISO 7368 标准的接收孔内，且使用盖关闭。在大多数情况下，此盖也是从功率单元控制侧到先导控制阀的连接件。
通过使用相应先导控制阀进行控制，功率单元可以应用于压力、方向和节流功能，或应用于这些功能的组合。通过调节执行机构各个管路的多个流量规格来实现特别有效的解决方案。将元件的功率单元应用于多个功能具有很高的性价比。
二通插装阀通常由控制盖和安装套件组成。控制盖包含控制孔和可选行程限制功能、液压控制方向座阀或符合所需整体功能的梭阀。此外，可以在控制盖处安装电动方向滑阀或座阀。安装套件包括衬套、环（高只能用于 NG32 型号）、阀架、可选带衰减阻尼或不带衰减阻尼，以及闭合弹簧。
二通插装阀的功能与压力有关。这样，便可针对功能实现三个关键加压区域。

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力士乐REXROTH二通插装阀阀芯位置监测控制盖板LFA..EWA
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