DR20-5-5X/200YM力士乐溢流阀

R900597233 DR20-5-5X/200YM力士乐溢流阀

武汉百士自动化设备有限公司专注于液压、气动、工控自动化备件销售，热诚欢迎新老客户咨询购买！

我司主要经销气动，液压，工控自动化流体控制设备备品备件
主营*牌：博世力士乐BOSCH-REXROTH、安沃驰AVENTICS、迪普马DUPLOMATIC、爱尔泰克AIRTEC、本特利Bently、贝加莱B&R、世格ASCO、阿托斯ATOS。
主要涵盖产品：电磁阀、比例阀、单向阀、溢流阀、压力继电器、压力传感器、叶片泵、柱塞泵、齿轮泵、蓄能器、气动阀、气缸、气源处理单元、探头、前置器、延伸电缆、监测模块、校验仪、伺服驱动器、PLC模块、I/O模块、伺服电机、触摸屏等。
溢流阀是一种液压压力控制阀。在液压设备中主要起定压溢流作用，稳压，系统卸荷和安全保护作用。 　定压溢流作用：在定量泵节流调节系统中，定量泵提供的是恒定流量。当系统压力增大时，会使流量需求减小。此时溢流阀开启，使多余流量溢回油箱，*证溢流阀进口压力，即泵出口压力恒定（阀口常随压力波动开启）。
稳压作用：溢流阀串联在回油路上，溢流阀产生背压运动部件平稳性增加。
系统卸荷作用：在溢流阀的遥控口串接溢小流量的电磁阀，当电磁铁通电时，溢流阀的遥控口通油箱，此时液压泵卸荷。溢流阀此时作为卸荷阀使用。
安全保护作用：系统正常工作时，阀门关闭。只有负载超过规定的极限（系统压力超过调定压力）时开启溢流，进行过载保护，使系统压力不再增加（通常使溢流阀的调定压力比系统**工作压力高10%～20%）。
实际应用中一般有：作卸荷阀用，作远程调压阀，作高低压多*控制阀，作顺序阀，用于产生背压（串在回油路上）。
溢流阀一般有两种结构：1、直动型溢流阀 。2、先导型溢流阀。
对溢流阀的主要要求：调压范围大，调压偏差小，压力振摆小，动作灵敏，过载能力大，噪声小。

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产品报价及货期说明 因工业液压、自动化各*牌备件型号繁多，欧美产品价格货期实时变化，因此很难实时标出准确价格，故具体产品信息、报价及货期请以我公司报价单为准 ,给您带来不便敬请谅解！以上信息由武汉百士公布，解释权归武汉百士自动化设备有限公司所有。感谢您的合作，竭诚为您服务。