普通液壓閥只能通過預調的方式對液流的壓力、流量進行定值控制。但是當設備機構在工作過程中要求對液壓系統的壓力、流量參數進行調節或連續控制，例如.要求工作臺在工作進給時按慢、快、慢連續變化的速度實現進給，或按一定精度模擬某個最佳控制曲線實現旅力控制.
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
