力士樂比例溢流閥DBET-5X/200G24NK4M 

溢流閥一般有兩種結(jié)構(gòu)：1、直動(dòng)型溢流閥 。2、先導(dǎo)式溢流閥。
對(duì)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(dòng)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(dǎo)式溢流閥加上一個(gè)2位2通電磁閥組成。
 
2）這個(gè)電磁閥實(shí)際上由兩部分組成：2位2通的液壓閥部分，加上一個(gè)電磁鐵。2位2通閥是開通，還是關(guān)閉，是由電磁鐵推動(dòng)閥芯運(yùn)動(dòng)來實(shí)現(xiàn)的。像樓上朋友講的，有的閥電磁鐵通電時(shí)打開，有的閥電磁鐵斷電時(shí)打開，蘿目青菜個(gè)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(dǎo)溢流閥的某個(gè)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(dǎo)溢流閥的某個(gè)部位或者與油箱相通，或者不與油箱相通。
 
3）先導(dǎo)溢流閥的主閥上腔壓力，是由先導(dǎo)閥加于控制的。如果先導(dǎo)閥正常工作，即主閥上腔有先導(dǎo)閥規(guī)定的壓力，則整個(gè)溢流閥就會(huì)在系統(tǒng)壓力到達(dá)調(diào)定壓力時(shí)其主閥口打開一定的開度，一方面能將系統(tǒng)多余流量流回油箱，另一方面又能維持系統(tǒng)的壓力為先導(dǎo)閥的調(diào)定值。可見，先導(dǎo)閥主要管壓力，主閥服從先導(dǎo)閥的，在先導(dǎo)閥動(dòng)作時(shí)將主閥口開到合適大小，正好將多余流量流出去，又不影響系統(tǒng)壓力。

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型號(hào) DBEP
比例溢流閥，直動(dòng)式
規(guī)格6
安裝面按DIN 24340 A型和ISO 4401
系統(tǒng)限壓閥
比例電磁鐵操作
底板安裝
參考型號(hào)如下：
DBEP 6 A01-1X/45AG24NK4M 
DBEP 6 A04-1X/45AG24NK4M 
DBEP 6 A06-1X/25AG24K4M  
DBEP 6 A06-1X/25AG24N9K4M 
DBEP 6 A06-1X/25AG24NK4M 
DBEP 6 A06-1X/45AG24K4M 
DBEP 6 A06-1X/45AG24N9K4M
DBEP 6 A06-1X/45AG24NJM
DBEP 6 A06-1X/45AG24NK4M 
DBEP 6 A06-1X/45AG24NK4M-382  
DBEP 6 A06-1X/45AG24NK4V-382 
DBEP 6 A06-1X/45AG24NM-415 
DBEP 6 B04-1X/45AG24NK4M   
DBEP 6 B06-1X/45AG24K4M 
DBEP 6 B06-1X/45AG24NJV 
DBEP 6 B06-1X/45AG24NJV-382   
DBEP 6 B06-1X/45AG24NK4M  
DBEP 6 B06-1X/45AG24NK4M-382 
DBEP 6 B06-1X/45AG24NK4V-382 
DBEP 6 B06-1X/45AG24NV-415  
DBEP 6 C02-1X/45AG24NK4M
DBEP 6 C06-1X/16AG24NK4M 
DBEP 6 C06-1X/25AG24K4M 
DBEP 6 C06-1X/25AG24N9K4M 
DBEP 6 C06-1X/25AG24NK4M 
DBEP 6 C06-1X/45AG24K4M
DBEP 6 C06-1X/45AG24N9K4M
DBEP 6 C06-1X/45AG24NK4M
DBEP 6 C06-1X/45AG24NK4M -383 
DBEP 6 C06-1X/45AG24NK4M-382