The linear motor within the direct drive electric-hydraulic servo valves is directly to drive a spool in order to increase the ability against pollution and the reliability of operation.

• 直动式电液伺服阀利用直线力马达直接驱动滑阀工作,提高了抗污染能力和工作可靠性,其性能指标达到喷嘴挡板式电液伺服阀的水平,拓宽了电液伺服阀的应用领域。