贺德克滤芯是输送介质的管道系列中不可缺少的部分，通常安装在液压系统的进口端过滤中，用来滤除流体介质中的金属颗粒、污染杂质等，可保护设备的正常工作，当流体进入过滤器后，其杂质被阻挡，而清洁的滤液则由过滤器出口排出。当需要清洗时，只要将滤芯从过滤器中取出，用工业液体处理后装入即可。
贺德克滤芯产于德国贺德克(HYDAC Technology GmbH)公司。公司致力于科研开发流体过滤技术、液压控制技术、电子测量技术的元件和装置，是世界  的过滤器、蓄能器、液压阀、电子产品、管夹、电磁铁、液压系统总成等产品的液压件的制造。进口液压滤芯的  。
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