通过污染控制延长比例阀和伺服阀的寿命

Prolong the life of servo valve and proportional valve by controlling the pollution of the hydraulic medium

本文着重讨论了伺服阀和比例阀的失效模式及其原因并给出了推荐的清洁度等级 ,提出了通过控制固体颗粒杂质来防止阀失效的措施 。

This article presents a discussion about the failure of the servo valve and proportional valve and the reasons causing the failure and gives the recommended cleanness grade of hydraulic medium,puts forward the measures for preventing the failure of valves by controlling the solid particle impurity,and puts forward some proposals about how to control the pollution of the hydraulic medium for prolonging the life of servo valve and proportional valve.