用于保护液压系统中特定元件，安装于中压管路中需保护元件的上游，以滤除工作介质中的固体颗粒及胶状物质，有效控制工作介质的污染度，并使元件正常工作。
HC7500FDJ4H
HC7500SDJ8H
HC7500SDK4H
HC7500SDK8H
HC7500SDN4H
HC7500SDN8H
HC7500SDP4H
HC7500SDP4Z
HC7500SDP8H
HC7500SDS4H
HC7500SDS8H
HC7500SDT4H
HC7500SDT8H
HC7500SDZ4H
HC7500SDZ8H
HC7500SKN4H
HC7500SKN8H
HC7500SKP4H
HC7500SKP8H
HC7500SKS4H
HC7500SKS8H
HC7500SKT4H
HC7500SKT8H
HC7500SKZ4H
HC7500SKZ8H
HC7500SUH4H
HC7500SUJ4H
HC7500SUJ8H
HC7500SUK4H
HC7500SUK8H
HC7500SUN4H
HC7500SUN8H
HC7500SUP4H
HC7500SUP8H
HC7500SUS4H
HC7500SUS8H
HC7500SUT4H
HC7500SUT8H
HC7500SUZ4H
HC7500SUZ8H