德国力士乐R901224247 DA6VP2A50/350FSM压力切断阀
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产品简介：
力士乐REXROTH先导式压力截止阀
DA6V
规格 6
组件系列 5X
大工作压力 350 bar
大流量 40 l/min
重量 2.2kg
安装位置 任意
温度范围 -30 … +80℃
粘度范围 10 … 800mm²/s
建议粘度范围 20 … 60mm²/s
用于底板安装
油口安装面符合 ISO 5781-03-04-0-00（不符合标准，且不带孔）
底板（单独订购）
作为插装阀
调整类型：六角套筒和保护帽
4 个压力等级
可调式切换压差（公称值的 10 % 至 50 %）
DA6V 型压力阀是一种可无级调节切换压差的先导式压力截止阀。此类阀主要由拧入式插装阀的先导控制级和主级、单向阀和壳
体组成。
通过油口 B 将 P 中的泵流量引入系统的蓄能器中。如果油口 B 中执行机构的压力超过设定顶部切换压力，则先导控制阀将打开
并将通过油口 A (Y) 启动先导油排放。单向阀将关闭油口 B 至 P 的连接，且泵流量将切换到卸压油路（从 P 到T）。
型号 DA6VP
将泵流量从 P 至 B（泵 → 执行机构）切换为 P 至 T（泵 → 油箱）。
泵通过单向阀向液压系统（P 至 B）供油。通道 B 中的压力通过控制油路和孔作用于拧入式插装阀 的先导控制。同时，通道 P
中的压力通过孔施加于主控制阀芯的弹簧负载侧。当在拧入式插装阀 中通过调节主轴设置的顶部截止压力到达液压系统（通道
B）时，拧入式插装阀 的先导控制将打开从主阀芯的弹簧负载侧到控制油路的连接和通过油口 A (Y) 进入油箱的外部连接。由于
存在孔，在主阀芯处产生了压降。主阀芯将升离阀座，打开 P 至 T 的连接。单向阀关闭 B 至 P 的连接，而拧入式插装阀 的先
导控制在 B 中执行机构压力的作用下保持在打开位置。
将泵流量从 P 至 T（泵 → 油箱）切换为 P 至 B（泵 → 执行机构）。
如果根据在调节主轴处设定的较低底部压力值，B 中的执行机构压力与截止压力相比较有所下降，则拧入式插装阀 的先导控制
将设置回其初始位置。
这样，压力将主阀芯的弹簧负载侧累积。从而通过弹簧关闭从 P 到 T 的连接，并且泵将通过单向阀向液压系统，即从 P 到 B 进
行供油。
型号 DA6VA
在此阀型号中，泵压力口不是在 P 中，而是在 A 中设计的。阀门将泵流量从 A 引至 P 或从 A 引至 T。泄油口位于 B (Y) 中。
切换过程与型号“VP”（此阀型号支持油路块连接）相对应。
注意！
仅限间接压力限制功能：
泵压力（至油箱）的压力限制功能不是直接提供的，而是仅通过执行机构通道中的单向阀和控制油路间接提供。
设置切换压差：
出厂时，阀门被设置为切换压差约为公称压力的 10 % 至 12 %。可以设置为公称压力的 50 %。
交付时，调节主轴被设置为小可调节顶部切换压力，即将调节主轴拧出到限位止挡。
通过拧入调节主轴，可增大顶部切换压力。
通过拧入调节主轴，可增大底部切换压力而切换压差将减小。通过拧出调节主轴，可减小底部切换压力而切换压差将增加。
通过锁紧螺钉和锁紧螺母 确保压力调节。
应用注意事项：
在压力截止阀和液压蓄能器之间建立一个低流阻的短连接。
注意！
仅可使用合适的蓄能器安全设备操作蓄能器！
泵压力（至油箱）的压力限制功能不是直接提供的，而是仅通过执行机构通道中的单向阀和控制油路间接提供。
注意： 切换压差出厂设置
出厂时，阀门被设置为切换压差约为公称压力的 10 % 至 12 %，并且是在已卸压状态（调节主轴拧出到限位止挡，请参阅产
品说明）下提供的。
调节是在公称压力、泵流量约为 10 l/min、执行机构流量约为 2 l/min 的条件下实现的。
不同的系统条件（尤其是泵流量和执行机构流量很高时）可能导致较高的切换压力。在这里，通过此阀可以选择性地调节系统
切换压差。
德国力士乐REXROTH压力切断阀订货号和型号：
力士乐REXROTH先导式压力切断阀DA 6 V
R901224217 DA6VA2A5X/100FSM
R901224217 DA6VA2A50/100FSM
R987400141 DA6VA2A5X/100FSMSO26-746
R901184163 DA6VA2A5X/100FSV
R901224218 DA6VA2A5X/200FSM
R901184165 DA6VA2A5X/200FSV
R901224223 DA6VA2A5X/350FSM
R901184169 DA6VA2A5X/350FSV
R901224225 DA6VA2A5X/50FSM
R901184162 DA6VA2A5X/50FSV
R901224226 DA6VA2B5X/100FSM
R901184669 DA6VA2B5X/100FSV
R901224246 DA6VA2B5X/200FSM
R901184173 DA6VA2B5X/200FSV
R901224228 DA6VA2B5X/350FSM
R901184176 DA6VA2B5X/350FSV
R901224230 DA6VA2B5X/50FSM
R901184170 DA6VA2B5X/50FSV
R901224232 DA6VP2A5X/100FSM
R901184158 DA6VP2A5X/100FSV
R901224233 DA6VP2A5X/200FSM
R901224233 DA6VP2A50/200FSM
R901311545 DA6VP2A5X/200FSM/60
R901184160 DA6VP2A5X/200FSV
R901368965 DA6VP2A5X/200FSV/60
R901224247 DA6VP2A5X/350FSM
R901184161 DA6VP2A5X/350FSV
R901224234 DA6VP2A5X/50FSM
R901184151 DA6VP2A5X/50FSV
R901224235 DA6VP2B5X/100FSM
R901184179 DA6VP2B5X/100FSV
R901224238 DA6VP2B5X/200FSM
R901224238 DA6VP2B50/200FSM
R901184183 DA6VP2B5X/200FSV
R901224242 DA6VP2B5X/350FSM
R901184186 DA6VP2B5X/350FSV
R901224244 DA6VP2B5X/50FSM
R901184177 DA6VP2B5X/50FSV
力士乐REXROTH先导式压力切断阀DA
R900598573 DA10-.-5X/...VSO26
R900926229 DA10-1-5X/100-10
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R900948351 DA10-1-5X/315-10
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R900505050 DA10-1-5X/315-17
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R900599082 DAC2-5X/315-10
R900520302 DAC2-5X/315-10V
R900597953 DAC2-5X/315-17
R978878641 DAC2-5X/315-17/12
R900520301 DAC2-5X/315-17V
R900598099 DAC2-5X/315-17Y
R900903681 DAC2-5X/50-10Y
R901029713 DAC2-5X/50-17/12
R900903680 DAC2-5X/50-17Y
R900599192 DAC3-5X/200-00SO29
R900944277 DAC3-5X/200-10
R900598616 DAC3-5X/200-17
R900901162 DAC3-5X/200-17/12
R900514423 DAC3-5X/315-17
R900509286 DAC30-1-5X/200-10
R901093146 DAC30-1-5X/200-10Y
R900597879 DAC30-1-5X/200-17
R900918629 DAC30-1-5X/200-17Y
R900596611 DAC30-1-5X/315-17
R900509557 DAC30-1-5X/315-17Y
R900597316 DAC30-2-5X/100-10
R900573413 DAC30-2-5X/100-10Y
R900519936 DAC30-2-5X/100-10YV
R900507744 DAC30-2-5X/100-17
R900514940 DAC30-2-5X/100-17V
R900515058 DAC30-2-5X/100-17Y
R900537730 DAC30-2-5X/200-10
R900943756 DAC30-2-5X/200-10V
R900597120 DAC30-2-5X/200-10Y
R900558848 DAC30-2-5X/200-10Y=LB
R900597541 DAC30-2-5X/200-17
R900505541 DAC30-2-5X/200-17Y
R900546348 DAC30-2-5X/200-17YV
R900513800 DAC30-2-5X/315-10
R900969706 DAC30-2-5X/315-10V
R900598452 DAC30-2-5X/315-17
R900597611 DAC30-2-5X/315-17Y
R901007242 DAC30-2-5X/50-10
R900763492 DAC30-2-5X/50-10Y
R900247867 DAC30-3-5X/100-17
R900557717 DAC30-3-5X/200-17V
R900958955 DAC30-3-5X/315-17
R900515856 DAC30-3-5X/50-17YV
R978868397 DAC-2-5X/100-17/12
R987156169 DAC-2-5X/315-17SO26-567
R987109281 DAC-2-5X/50-17/12
R901264745 DAC1-5X/100-10
R900597813 DAC1-5X/100-17Y
