派克液壓閥TEA063EW09B2NLWJ21 形成這些特點的原因：在于用容積式元件作能力轉換器即液壓泵和液壓執(zhí)行器，用富有潤滑性的油（液壓油）作為工作介質。但是液壓技術的一般缺點也與液壓油有關。這些缺點歸納如下：（1）漏油；
　　（2）要求特別精密控制的場合，液壓油的污染對元件、R900452108 DB10K2-3X/315V
R900452212 DB10K2-43/50YJ
R900503083 DB10-3-52/50
R900505052 DB10-1-52/200
R900505398 DB10G2-52/50Y
R900513599 DB10-2-52/315YU
R900520666 DB10K2-43/100YJV
R900520666 DB10K2-43/100YJV
R900525510 DB10K2-43/200XY
R900526496 DB10-2-52/3152U
R900587772 DB10-2-52/200
R900590334 DB10-2-52/315
R900590646 DB10-2-52/100
R900591126 DB10-2-52/3152
R900593839 DB10-2-52/100U
R900593840 DB10-2-52/315U
R900594604 DB10-3-52/315
R900594773 DB10-3-52/200
R900596114 DB10-1-52/3152
R900596930 DB10-2-52/100X
R900597363 DB10G2-52/200
R900597590 DB10-2-52/3152Y
R900597664 DB10-1-52/100
R900597992 DB10-2-52/350
R900598054 DB10-2-52/50V
R900598998 DB10-1-52/315
R900700669 DB10K2-43/100XY
R900708433 DB10K2-43/350YV
R900784136 DB10K7-43/100XY
R900927959 DB10K2-43/315YJ
R900338231 DB20K2-18/315YV
R900343952 DB20K2-18/200YV
R900345159 DB20K2-18/50YU
R900352462 DB20K3-18/100Y
R900357950 DB20K1-18/200YV
R900373711 DB20K2-18/100YV
R900382707 DB20K3-18/315Y
R900400324 DB20K2-18/50YV
R900402735 DB20K3-18/50Y
R900402737 DB20K3-18/200Y
R900405977 DB20K2-18/315YJ
R900412189 DB20K1-18/50Y
R900412190 DB20K1-18/100Y
R900412191 DB20K1-18/200Y
R900412192 DB20K1-18/350Y
R900412314 DB20K2-18/50Y
R900412315 DB20K2-18/100Y
R900412316 DB20K2-18/200Y
R900412317 DB20K2-18/350Y
R900419320 DB20K3-18/350Y
R900439336 DB20K3-18/50YV
R900479750 DB20-2-43/350
R900496562 DB20K1-18/315Y
裝置的特性有不良影響。即是說，液壓油的管理對可靠性和元件的壽命有很大的影響。
　　三、用途：液壓技術的特性適合各種機械和設備的自動化、高性能、大容量、體積小、重量輕等方面的要求。所以雖然它是一門比較新的技術分支，但是在主動力的傳遞機構、輔機的操作機構或作業(yè)自動化控制機構等方面廣泛應用0811404505 4WRLE35W3-1100SJ-3X/G24EK0/A1WX02M-745
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0811404481 4WRLE25EZ350SJ-3X/G24ETK0/A1M
0811404480 4WRLE25WZ350SJ-3X/G24K0/A1M-759
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0811404462 4WRLE27W430SJ-3X/G24K0/A1M-758
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0811404440 4WRLE27W1-430M-3X/G24EK0/A1M-769
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4WRZE25W6-325-70/6EG24N9K31/F1M
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由下述型號替代：
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