穩(wěn)壓作用：溢流閥串聯(lián)在回油路上，溢流閥產(chǎn)生背壓運動部件平穩(wěn)性增加。
系統(tǒng)卸荷作用：在溢流閥的遙控口串接溢小流量的電磁閥，當電磁鐵通電時，溢流閥的遙控口通油箱，此時液壓泵卸荷。溢流閥此時作為卸荷閥使用R900424172 DBDS20G1X/200
R900424174 DBDS20G1X/315
R900424175 DBDS20G1X/400
R900424178 DBDH10G1X/200
R900424183 DBDH10K1X/315
R900424184 DBDH10K1X/400
R900424185 DBDH10K1X/50
R900424188 DBDH10G1X/100
R900424189 DBDH10G1X/315
R900424190 DBDH10K1X/200
R900424195 DBDH6G1X/100
R900424196 DBDH6G1X/200
R900424197 DBDH6G1X/315
R900424198 DBDH6G1X/50
R900424199 DBDH6K1X/100
R900424200 DBDH6K1X/200
R900424201 DBDH6K1X/315
R900424202 DBDH6K1X/400
R900424203 DBDS20K1X/400
R900424204 DBDS20K1X/400V
R900424205 DBDS20K1X/50
R900424241 DBDH30K1X/100
R900424246 DBDH6P1X/100
R900424261 DBDS30G1X/315
R900424262 DBDS30G1X/50
R900424264 DBDS25G1X/200
R900424265 DBDS25G1X/315
R900424266 DBDH6P1X/315
R900424267 DBDS20K1X/100
R900424268 DBDS20K1X/100V
R900424269 DBDS20K1X/200
R900424270 DBDS20K1X/200V
R900424271 DBDS20K1X/315
R900424272 DBDS20P1X/50
R900424273 DBDS20K1X/50V
R900424274 DBDS20P1X/100
R900424276 DBDS20G1X/50
R900424277 DBDS20P1X/200
R900424278 DBDS20P1X/315
R900424279 DBDS20P1X/400
R900424281 DBDS30G1X/200
R900424282 DBDS30K1X/50
R900424283 DBDS30K1X/315V
R900424284 DBDS30K1X/100
R900424285 DBDS30K1X/100V
R900424286 DBDS30K1X/200
R900424287 DBDS30K1X/200V
R900424288 DBDS30K1X/315
R900424321 DBDS6K1X/200V
R900424348 DBDH6G1X/400
R900424734 DBDH6K1X/50
R900424738 DBDS10G1X/100
R900424741 DBDS10G1X/200V
R900424742 DBDS10G1X/315
R900424743 DBDS10G1X/315V
R900424744 DBDS10G1X/400
R900424745 DBDS10G1X/50
R900425076 DBDA6G1X/100
R900425080 DBDA6K1X/100
R900425081 DBDA6K1X/200
R900425082 DBDA6K1X/315
R900425083 DBDA6K1X/50
R900425161 DBDA10K1X/100
R900425162 DBDA10K1X/200
R900425164 DBDA10K1X/315
R900425165 DBDA10K1X/400
R900425660 DBDS10P1X/400
R900425661 DBDS10P1X/50
R900425966 DBDA10K1X/50
R900426477 DBDA6G1X/200
R900426478 DBDA6G1X/315
R900426835 DBDA10K1X/630
R900426897 DBDH6G1X/25
R900426898 DBDS15G1X/25
R900426901 DBDH10P1X/100
R900427242 DBDH6P1X/200
R900427243 DBDS30G1X/25
R900427600 DBDH6K1X/25
R900427601 DBDS10K1X/630
R900427603 DBDS8G1X/400
R900427604 DBDS20G1X/50V
R900427605 DBDH6G1X/315V
R900427940 DBDS10K1X/200V
R900428382 DBDA6G1X/400
R900428387 DBDA6K1X/400
R900428388 DBDS6K1X/315V
R900428843 DBDH6P1X/50V
R900429050 DBDS6P1X/100V
R900429168 DBDS30P1X/315V
R900429414 DBDS6P1X/25
R900429939 DBDS6K1X/50V
R900430263 DBDS30P1X/200V
R900430305 DBDA10K1X/25
R900431964 DBDH20G1X/25
R900432465 DBDA6G1X/25
R900433216 DBDS6G1X/315V
R900433807 DBDH10K1X/630
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
