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德國(guó)力士樂電磁閥4WE6J6X/EW230N9DL現(xiàn)貨                                                                            德國(guó)力士樂Rexroth泵、閥、馬達(dá)全系列                                                                                        德國(guó)力士樂電磁換向閥的分類
　　電磁換向閥的品種繁多，按其工作位置數(shù)和通路數(shù)的多少可分為二位三通、二位四通、三位四通等；按其復(fù)位和定位形式可分為彈簧復(fù)位式、鋼球定位式、無(wú)復(fù)位彈簧式；按其閥體與電磁鐵的連接形式可分為法蘭連接和螺紋連接；按其所配電磁鐵的結(jié)構(gòu)形式可分為干式和濕式，每一類又有交流、直流、本整等形式，而且所需電源電壓又有好多種，因而在其結(jié)構(gòu)上存在很多差別。 1.按接口數(shù)及切換位置數(shù)分類 　　接口是指閥上各種接油管的進(jìn)、出口，進(jìn)油口通常標(biāo)為P，回油口則標(biāo)為R或T，出油口則以A、B來表示。閥內(nèi)閥芯可移動(dòng)的位置數(shù)稱為切換位置數(shù),通常我們將接口稱為“通”，將閥芯的位置稱為“位”。因此，按其工作位置數(shù)和通路數(shù)的多少可分為二位三通、二位四通、三位四通等。位和通路符號(hào)
2.按操作方式分類 　　推動(dòng)閥內(nèi)閥芯移動(dòng)的動(dòng)力有手、腳、機(jī)械、液壓、電磁等方法。 3.按其復(fù)位和定位形式分類 　　可分為彈簧復(fù)位式、鋼球定位式、無(wú)復(fù)位彈簧式。 4.按其閥體與電磁鐵的連接形式分類 　　可分為法蘭連接和螺紋連接。 5.按其所配電磁鐵的結(jié)構(gòu)形式分類 　　可分為干式和濕式。 R900558642 4WE6G6X/EW110N9K4
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德國(guó)力士樂電磁閥4WE6J6X/EW230N9DL現(xiàn)貨