山东贺德克节流阀 SR08-01-C-N-4.8V质量好
更新时间:2025-07-25 浏览数:260
所属行业:
机械 阀门
发货地址:湖北省武汉市武昌区白沙洲街道
产品规格:SR08-01-C-N-4.8V
产品数量:100.00个
包装说明:纸箱
价格:¥850.00 元/个 起
产品规格SR08-01-C-N-4.8V包装说明纸箱
山东贺德克节流阀 SR08-01-C-N-4.8V质量好节流阀是通过改变节流截面或节流长度以控制流体流量的阀门。将节流阀和单向阀并联则可组合成单向节流阀。节流阀和单向节流阀是简易的流量控制阀,在定量泵液压系统中,节流阀和溢流阀配合,可组成三种节流调速系统,即进油路节流调速系统、回油路节流调速系统和旁路节流调速系统。节流阀没有流量负反馈功能,不能补偿由负载变化所造成的速度不稳定,一般仅用于负载变化不大或对速度稳定性要求不高的场合
节流阀的性能要求是:
·流量调节范围大,流量一压差变化平滑;
·内泄漏量小,若有外泄漏油口,外泄漏量也要小;
·调节力矩小,动作灵敏。
节流阀(Choke valve)的外形结构与截止阀并无区别,只是它们启闭件的形状有所不同。
节流阀的启闭件大多为圆锥流线型,通过它改变通道截面积而达到调节流量和压力。节流阀供在压力降较大的情况下作降低介质压力之用。介质在节流阀瓣和阀座之间流速很大,以致使这些零件表面很快损坏-即所谓气蚀现象。
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