將溢流閥串聯在回油路上，可以產生背壓，使執行元件運動平衡。些時溢流閥的調定壓力低，一般用直動式低壓溢流閥即可。R900433929 DBDS25G1X/25
R900434128 DBDH6P1X/400
R900434865 DBDA10K1X/315V
R900435016 DBDS10P1X/200V
R900435222 DBDH10K1X/25
R900435450 DBDS6P1X/315V
R900436044 DBDA20G1X/100
R900436516 DBDS30G1X/315V
R900437348 DBDS6G1X/200V
R900437349 DBDS10G1X/400V
R900437466 DBDH10K1X/200V
R900437810 DBDS20P1X/315V
R900438610 DBDS6P1X/50V
R900438611 DBDS6P1X/25V
R900438939 DBDS6K1X/400V
R900439957 DBDS20P1X/50V
R900441034 DBDS6K1X/100V
R900441778 DBDH6G1X/200V
R900445875 DBDH30K1X/25
R900447684 DBDS20P1X/200V
R900447890 DBDH6K1X/315V
R900457420 DBDS10K1X/400V
R900459771 DBDS6P1X/400V
R900460667 DBDA10K1X/100V
R900460668 DBDS6K1X/25V
R900462393 DBDS10K1X/25V
R900462948 DBDS30K1X/25V
R900463844 DBDA20K1X/25
R900464875 DBDS20P1X/400V
R900466343 DBDS6P1X/200V
R900468547 DBDH6K1X/200V
R900471398 DBDH10K1X/315V
R900473979 DBDH20K1X/50V
R900474243 DBDS20K1X/25V
R900476358 DBDH6G1X/100V
