50309D74W贺德克HYDAC滤芯是安装在液压系统的油路中用于清除液压系统中各元件磨损的金属粉末及其它机械杂质使油路保持清洁，延长液压系统寿命。  3.贺德克滤芯技术条件：  1)滤芯耐压差：21MPa2)工作温度：－10～+100℃  3)过滤精度：5～20μm  4.)工作介质：不是一般液压油。50309D10BN60304D03BNH6300BN50309D10P60304D05BNH6300BN350309D20BH60304D10BNH6300BNV50309D20BN60304D20BNH6300BN3V50309D20P60308D03BNH6300BN50309D25P60308D05BNH6300BN350309D25W60308D10BNH6300BNV50309D50W60308D20BNH6300BN3V50309D74W60312D03BNH6300BN50309D100W60312D05BNH6300BN350309D149W60312D10BNH6300BNV50309D200W60312D20BNH6300BN3V50318D03BN70118R03BN2625H6300BN50318D05BN70118R05BN2625H6300BN3