R900456105
R900456105 DB52P1-3X/100U
R900564321 DB52P1-3X/100XU
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力士樂DB型式的溢流閥
系統(tǒng)所施加的壓力作用在主閥芯(4)上。同時,壓力將通過先導(dǎo)管路(6) (與節(jié)流孔相配合)施加到主閥芯(4)的彈簧加載側(cè)和先導(dǎo)控制閥(1)。當系統(tǒng)壓力超過彈簧(7)上的設(shè)置值時,先導(dǎo)控制閥的閥心(10)將打開?,F(xiàn)在,液壓流體可以從主閥芯(4)的彈簧加載側(cè)通過先導(dǎo)控制閥(1)的彈簧腔(內(nèi)部由油口T或外部由油口Y)流向油箱。由于先導(dǎo)管路中節(jié)流孔的組合,跨越主閥芯處將產(chǎn)生壓差,從而打開了P至T的連接。液壓流體將以設(shè)置的工作壓力從通
道P流向通道T。溢流閥可以遙控卸載或通過油口XX (8)改變?yōu)榱硗庖粋€壓力值
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