派克先導溢流閥 R10M17S4SN15 質(zhì)量保證 產(chǎn)品廣泛應用于鋼鐵、冶金、石油化工、航天、船舶制造、煤炭、水泥、電力、汽車、工程機械、食品、林業(yè)、紡織、皮革、造紙等行業(yè)領(lǐng)域溢流閥一般有兩種結(jié)構(gòu)：1、直動型溢流閥 。2、先導式溢流閥。

對溢流閥的主要要求：調(diào)壓范圍大，調(diào)壓偏差小，壓力振擺小，動作靈敏，過載能力大，噪聲小。

1）電磁溢流閥原理上，一般是由先導式溢流閥加上一個2位2通電磁閥組成。

 2）這個電磁閥實際上由兩部分組成：2位2通的液壓閥部分，加上一個電磁鐵。2位2通閥是開通，還是關(guān)閉，是由電磁鐵推動閥芯運動來實現(xiàn)的。像樓上朋友講的，有的閥電磁鐵通電時打開，有的閥電磁鐵斷電時打開，蘿目青菜個人各愛（根據(jù)系統(tǒng)要求選擇）。也就是說，電磁閥這里有一條通路一頭與先導溢流閥的某個部位相連，另一頭通過油管與油箱相連。通過操作電磁鐵可以讓先導溢流閥的某個部位或者與油箱相通，或者不與油箱相通。

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