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濾芯的精度選擇：
過濾精度指設(shè)備允許通過固體顆粒的較大粒徑。過濾精度由設(shè)備要求決定，如燃?xì)廨啓C(jī)壓縮機(jī)燃料氣系統(tǒng)要求的過濾精度為5μm。
 在現(xiàn)實(shí)應(yīng)用中，我們要根據(jù)需要過濾固體介質(zhì)顆粒大小，選擇合適的過濾精度。當(dāng)我們對(duì)濾網(wǎng)和濾芯無特殊要求時(shí)，濾芯精度一般選用30目。在工程實(shí)際中，對(duì)于液體介質(zhì)濾芯精度選用60目，氣體介質(zhì)濾網(wǎng)選用120目，基本能滿足過濾精度要求。值得注意的是，單純的目數(shù)并不能表示過濾精度，還需取決于濾網(wǎng)的線徑。

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