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REXROTH气动阀R402002202

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REXROTH气动阀R402002202 德国力士乐优异商品 低价销售 特价现货 优异供应 全国联保 欢迎来电咨询

我公司有经验代理博世力士乐(BOSCH-REXROTH)、阿托斯ATOS、派克Parker、迪普马DUPLOMATIC、油研YUKEN;本特利bentley、贝加莱B&R、西门子、光洋KOYO,美国ASCO,美国PARKER派克 等系列进口产品 

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REXROTH气动阀R402002202  气动阀:是一种直角回转结构,它与阀门定位设备配套使用,可实现比例调节; 气动阀较适用于各种调节场合,具有额定流量系数大,可调比大,密封效果好,调节性能灵敏,体积小,可竖卧安装。适用于控制气体、蒸汽、液体等介质。

该阀中的固定节流孔尺寸按设备的发动机较佳速度所需流量确定。若发动机速度超出此较佳范围,则节流小孔压降将增加,从而将卸载阀移位至小流量位置。因此大流量泵相邻的元件做成可对非常大流量节流的尺寸,故此回路能耗少、工作平稳且成本低

 

气动阀是一种气控液压阀,它用于泵进油节流,当设备的液压空载时,仅使较小流量(〈 18.9t/min)通过泵;而在有负载时,全流量吸入泵。如图10所示,这种回路可省去泵与原动机间的离合器,从而降低了成本,还减小了空载功耗,因通过回路的较小流量保持了设备的原动机功率。另外,还降低了泵在空载时的噪声。干式吸油阀回路可用于由内燃机驱动的任何车辆中开关式液压系统,例如垃圾装填卡车及工业设备。

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