2.起安全保護(hù)作用
避免液壓系統(tǒng)和機(jī)床因過載而引起事故。在這種場合下，閥門平時是關(guān)閉的，只有負(fù)載超過規(guī)定的極限時才開啟，起安全保護(hù)作用。通常，把溢流閥的調(diào)定壓力比系統(tǒng)最高工作壓力調(diào)高10~20%
3.作卸荷閥用
由先導(dǎo)溢流閥與二位二通電磁閥配合使用，可使系統(tǒng)卸荷
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
