賀德克濾芯根據在液壓系統中的安裝位置，液壓油濾芯分為吸油管路油濾芯、壓力管路油濾芯和回油管路油濾芯。 
吸油管路液壓油濾芯：吸油管路（油箱——液壓泵進口）或直接在油箱內安裝吸油濾芯是對液壓泵進行保護的必要措施，
其精度一般為100～180μm，視泵的自吸能力不同進行確定，流阻過大導致液壓泵氣蝕。 
壓力管路液壓油濾芯：壓力管路油濾芯，不僅是保護其下游的元件，作為保證系統油液污染度的主要油濾，
通過自身對油液的高效凈化，對液壓泵也起到很好的保護作用，過濾精度為5—10μm，
過濾器受的壓力大,振動也很利害，壓力管路油濾芯的許可壓差，根據不同壓力級別，
范圍在0.3～0.7MPa。作為地面設備用壓力管路油濾，綜合考慮成本、安裝空間，能大則大。0140R003BN/HC 0140R005BN/HC 0140R010BN/HC 0140R020BN/HC 0140R003BN3HC 0140R005BN3HC 0140R010BN3HC0140R020BN3HC 0140R003BN4HC 0140R005BN4HC 0140R010BN4HC 0140R020BN4HC 0140R020P     0140R020W

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