德国REXROTH力士乐比例减压阀R900958848

德国REXROTH力士乐比例减压阀R900958848

由油缸、阀体两部分组成。而节流孔板和高压设计为一体，阀门开关排泄流量和降压由液压缸行程控制。能任意调整排泄压力及流量，安全，方便。

比例减压阀：压降从50兆帕至于1.6兆帕，可以调节排泄压力。导阀的开启都是利用顶部的调节螺栓顺时针方向拧动，使弹簧缩产生的弹力，使导阀膜片向下凹陷，作用在导阀连杆上的力，使之向下位移打开导阀。当导阀开启后，上游进汽管段A腔的蒸汽通过α通道（供汽调节通道），经过导阀进入导阀环形汽腔，由β通道直接送到下面的活塞汽缸上腔。在A腔蒸汽不断的供给下，压力持续升高，推动活塞下行打开主阀，这时蒸汽*从A腔流至B腔。当下游出口管段B腔负荷满足的情况下，余多的蒸汽又使B腔内的压力不断升高。不断升高的压力通过γ通道（压力感应通道）反馈到导阀膜片下腔，使导阀膜片向上突起，克服了上部调节弹簧的压力，导阀被关小或关闭。从而，关小或关闭来自上游α通道的蒸汽源。当活塞汽缸上腔压力下降时，在下面复位弹簧的作用下，主阀被关小或关闭，这时B腔内的压力开始下降，这样周而复始达到调压的目的。士乐REXROTH线圈，力士乐REXROTH液压阀,力士乐REXROTH单向阀，力士乐REXROTH截止阀，力士乐REXROTH方向阀，力士乐REXROTH流量控制阀，REXROTH力士乐压力阀，力士乐REXROTH二位插装阀，力士乐REXROTH高频响比例伺服阀，力士乐REXROTH方向座阀，力士乐REXROTH方向滑阀，力士乐REXROTH溢流阀，力士乐REXROTH减压阀，力士乐REXROTH压力截止阀，力士乐REXROTH压力顺序阀，力士乐REXROTH节流阀，力士乐REXROTH传感器，力士乐REXROTH滚珠滑块，力士乐REXROTH滚柱滑块，力士乐REXROTH直线导轨，力士乐REXROTH法兰型滑块导轨，力士乐REXROTH窄型滑块导轨，力士乐REXROTH宽型滑块导轨，力士乐REXROTH紧凑型滑块导轨

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