4WE6GA6X/EG24N9K4先導(dǎo)閥的換向由于電磁鐵推力的限制，在大于63L/min的液壓系統(tǒng)中，一般不再選用直推式的電磁換向閥，而選用通過流量較大的電液換向閥。電液換向閥的原理是：控制油通過電磁先導(dǎo)閥到達電液閥主閥芯的兩端（R900933031 PGH2-1X/008LF07MK0
R900932268 PGH3-1X/016RE07ME4
R900932260 PGH3-1X/016RF47MK0
R900932259 PGH3-1X/010RF47MK0
R900932253 PGH3-1X/013RE07MU2
R900932252 PGH2-1X/008RE07MU2
R900932251 PGH2-1X/006RE07MU2
R900932250 PGH3-1X/016RE07MU2
R900932247 PGH3-1X/010RE07MU2
R900932245 PGH2-1X/006RF47MK0
R900932244 PGH2-1X/005RE07MU2
R900932198 PGH3-1X/013RE47ME4
R900932195 PGH5-2X/160RE07VE4-A388
R900932184 PGH5-2X/250RE07VE4-A388
R900932176 PGH5-2X/250RE07VE4
R900932175 PGH5-2X/125RE11VE4
R900932174 PGH5-2X/100RE11VE4
R900932173 PGH5-2X/080RE11VE4
R900932172 PGH5-2X/063RR11VU2
R900932171 PGH5-2X/160RE07VU2
R900932169 PGH5-2X/125RE11VU2
即電液換向閥主閥體兩端蓋側(cè)），通過電磁先導(dǎo)閥的換向，來實現(xiàn)主閥芯的左右移動，從而開通或切斷通往執(zhí)行元件的油路，使執(zhí)行元件運行或停止。但在打開或切斷油路的瞬間，系統(tǒng)中會產(chǎn)生相當(dāng)大的沖擊，R900427604 DBDS20G1X/50V
R900427605 DBDH6G1X/315V
R900427940 DBDS10K1X/200V
R900428382 DBDA6G1X/400
R900428387 DBDA6K18/400
R900428388 DBDS6K1X/315V
R900428843 DBDH6P18/50V
R900429050 DBDS6P18/100V
R900429168 DBDS30P1X/315V
R900429414 DBDS6P1X/25
R900429939 DBDS6K1X/50V
R900430263 DBDS30P18/200V
R900430305 DBDA10K18/25
R900431964 DBDH20G18/25
R900432465 DBDA6G1X/25
R900433216 DBDS6G1X/315V
R900433807 DBDH10K1X/630
R900433929 DBDS25G1X/25
R900434128 DBDH6P1X/400
R900434865 DBDA10K18/315V
R900435016 DBDS10P18/200V
R900435222 DBDH10K18/25
R900435450 DBDS6P1X/315V
R900436044 DBDA20G1X/100
R900436516 DBDS30G1X/315V
這種沖擊會極大影響液壓系統(tǒng)中液壓元件和密封件的使用壽命。為了減小及至消除由此引起的液壓沖擊，*簡單的辦法是在該電液閥下面疊加一個P口節(jié)流閥或進油節(jié)流式雙單向節(jié)流閥、出油節(jié)流式雙單向節(jié)流閥，以延長閥芯的換向及復(fù)位時間，從而到降低液壓沖擊的目的。下面就以彈簧復(fù)位型、三DS3-TB23/10N-D24K1黎翔現(xiàn)貨
DS3-TA23/10N-D24K1黎翔現(xiàn)貨
DS3-TA23/12N-D24K1/F/CM黎翔現(xiàn)貨
DS3-TA/10N-D24K1黎翔現(xiàn)貨
DS3-TA/10N-D24K1/CM(手動)黎翔現(xiàn)貨
DS3-SA1/10N-D24K1黎翔現(xiàn)貨
DS3-SA2/10N-D24K1黎翔現(xiàn)貨
DS3-SB1/10N-D24K1黎翔現(xiàn)貨
DS3-S1/10N-D24K1黎翔現(xiàn)貨
DS3-S1/10N-A230K1黎翔現(xiàn)貨
DS3-S2/10N-D24K1黎翔現(xiàn)貨
DS3-S2/10N-A230K1黎翔現(xiàn)貨
DS3-S3/10N-D24K1黎翔現(xiàn)貨
DS3-S4/10N-A230K1黎翔現(xiàn)貨
DS3-S4/10N-D24K1黎翔現(xiàn)貨
DS3-S4/10N-D24K1/CM黎翔現(xiàn)貨
DS3-RK/10N-D24K1黎翔現(xiàn)貨
DS3-S9/12N-D24K1/F/CM黎翔現(xiàn)貨
DS3-S10/10N-D24K1黎翔現(xiàn)貨
DS3-S20/10N-D24K1黎翔現(xiàn)貨
DS5-TA02/12N-D24K1黎翔現(xiàn)貨
DS5-TA/12N-D24K1黎翔現(xiàn)貨
DS5-TA/12N-A230K1黎翔現(xiàn)貨
DS5-S1/12N-D24K1黎翔現(xiàn)貨
DS5-S1/12N-A230K1黎翔現(xiàn)貨
位四通中封式電液壓換向閥為例、對該三種疊加節(jié)流方式作簡要說明。R900424165 DBDS15G1X/315R900424171 DBDS20G1X/100VR900424172 DBDS20G1X/200R900424174 DBDS20G1X/315R900424179 DBDH10G1X/400R900424183 DBDH10K1X/315R900424186 DBDH10P1X/200R900424187 DBDH10P1X/315R900424189 DBDH10G1X/315R900424190 DBDH10K1X/200R900424196 DBDH6G1X/200R900424199 DBDH6K1X/100R900424200 DBDH6K1X/200R900424201 DBDH6K1X/315R900424203 DBDS20K1X/400R900424205 DBDS20K1X/50R900424260 DBDS30G1X/200VR900424261 DBDS30G1X/315R900424262 DBDS30G1X/50R900424264 DBDS25G1X/200R900424266 DBDH6P1X/315R900424267 DBDS20K1X/100R900424269 DBDS20K1X/200R900424270 DBDS20K1X/200VR900424271 DBDS20K1X/315R900424272 DBDS20P1X/50R900424274 DBDS20P1X/100R900424277 DBDS20P1X/200R900424278 DBDS20P1X/315R900424279 DBDS20P1X/400R900424281 DBDS30G1X/200R900424282 DBDS30K1X/50R900424283