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。0500D003BN/HC 0500D005BN/HC 0500D010BN/HC 0500D020BN/HC 0500D003BN3HC

0500D005BN3HC 0500D010BN3HC0500D020BN3HC 0500D003BN4HC 0500D005BN4HC

0500D010BN4HC 0500D020BN4HC  0500D020P     0500D020W

0990D003BH/HC 0990D005BH/HC 0990D010BH/HC 0990D020BH/HC 0990D003BH3HC

0990D005BH3HC 0990D010BH3HC0990D020BH3HC 0990D003BH4HC 0990D005BH4HC

0990D010BH4HC 0990D020BH4HC

0990D003BN/HC 0990D005BN/HC 0990D010BN/HC 0990D020BN/HC 0990D003BN3HC

0990D005BN3HC 0990D010BN3HC0990D020BN3HC 0990D003BN4HC 0990D005BN4HC

0990D010BN4HC 0990D020BN4HC 0990D020P     0990D020W