賀德克濾芯過濾精度
首先，根據液壓系統的需要確定用漬的清潔度等級，再根據此清潔度等級按符表選擇濾油器的過濾精度。工程機械上zui常用的液壓油濾芯名義過濾清度為10μm。
液壓油清潔度（ISO4406） 賀德克濾芯的名義過濾精度（μm） 應用范圍
13/10 3 液壓伺服閥 （用3μm過濾器濾芯 ）
16/13 5 液壓比例閥 （用5μm過濾器濾芯 ）
18/15 10 一般液壓元件(>10MPa) （用10μm過濾器濾芯）
19/16 20 一般液壓元件(<10MPa) （用20μm過濾器濾芯）
賀德克濾芯應用：
工業方面應用:
鋼鐵工業 ---冷熱軋液壓系統
石油化工 --油田開采液壓系統
電力工業 --汽輪機油系統
液壓潤滑 --油缸，齒輪箱潤滑系統
＊工業潤滑應用:
齒輪變速箱 --高粘度潤滑油過濾系統
液壓系統潤滑 --比例閥，伺服閥潤滑過濾
工業車輛及礦山機械應用:
＊鐵道大型養路維護機械設備的運用.
PLASSER大型液壓搗固機械
PLASSER大型液壓清篩機械
＊煤礦開采機械液壓系統應用：
＊隧道掘進機械液壓系統應用．
液壓系統的污染直接影響著整個液壓系統的工作好壞.液壓系統目前面臨需要克服的難題是如何有效地降低和控制系統的污染,以確保各種液壓元件及整個系統的可靠性和使用壽命.因此,合理分析和有效控制液壓系統的污染是確保工程機械液壓系統或工業液壓系統正常工作并延長使用壽命的關鍵.
賀德克液壓油濾芯在生產廠家的產品樣本或銘牌上標注的是名義過濾精度，而非過濾精度，只有經過通試驗測定的β值才能表示濾貢的過濾能力。液壓油濾芯還應滿足壓力損失的要求（高壓過濾器的總壓差小于0.1PMa，回油過濾器的總壓差則小于0.05MPa），以保證流量與濾芯壽命的*化。
賀德克濾芯相關型號：
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