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武穴黎翔机电设备有限公司，询价联系人：何女士
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液压阀在液压系统中起着非常总要的作用。任何一个液压系统，不论其如何简单，都不能缺少液压阀；同一工艺目的液压机械设备，通过液压阀的不同组合与使用，可以组成油路结构截然不同的多种液压系统方案，股液压阀是液压技术中与规格最多、应用最广泛、最活跃的元件；一个液压系统设计的合理性、安装维护的便利性以及能否按照既定要求正常可靠地运行，在很大程度上取决于其中所采用的各种液压阀是性能优劣及参数匹配是否合理。
1.3 液压阀的基本结构原理
充液阀的基本结构主要包括阀芯、阀体和驱动阀芯在阀体内作相对运动的操纵控制机构。阀芯的结构形式多样;阀体上开设有与阀芯配合的阀体（套）孔或阀座孔，
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PV7-1X/100-118RE07MCO-16 （老1PV2V4-33/80 RA37MC1-16-A1）
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还有外接油管的进、出油口；阀芯的操纵控制机构有手调（动）式、机械式、电动式以及液动式或电液动式等。
液压阀的基本工作原理是：利用阀芯相对于阀体的运动来控制阀口的通断及开度的大小（实质是对阀口的流动阻尼进行控制），实现对液流方向、压力和流量的控制。液压阀工作时，所有阀的通过流量与阀的进、出油口间的压力差以及开度的大小间的关系都符合如下空口压力流量特性公式
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