英NORGREN諾冠調壓閥B07-233-A1KG
B74G-6AK-QD1-RMN

諾冠減壓閥這樣通過控制電磁鐵的電流就控制了機械運動。追朔的發(fā)展史，到目前為止，內外的從原理上分為三大類（即：直動式、分步童導式），而從閥瓣結構和材料上的不同與原理上的區(qū)別又分為六個分支小類（直動膜片結構、分步重片結構、導膜式結構、直動活塞結構、分步直動活塞結構、導活塞結構）。直動式：原理：通電時，電磁線圈產(chǎn)生電磁力把關閉件從閥座上提起，閥門打開；斷電時，電磁力消失，彈簧把關閉件壓在閥座上，關閉。分布直動式：原理： 它是一種直動和導式相結合的原理，當入口與出口沒有壓差時，通電后，電磁力直接把導小閥和主閥關閉件依向上提起，閥門打開。當入口與出口達到啟動壓差時，通電后，電磁力導小閥，主閥下腔壓力上升，上腔壓力下降，從而利用壓差把主閥向上推開；斷電時，導閥利用彈簧力或介質壓力推動關閉件，向下移動，使關閉。特點： 在零壓差或真空、高壓時亦能可動作，但功率較大，要求必須水平安裝。導式：原理：通電時，電磁力把導孔打開，上腔室壓力迅速下降，在關閉件周圍形成上低下高的壓差，流體壓力推動關閉件向上移動，打開；斷電時，彈簧力把導孔關閉，入口壓力通過旁通孔迅速腔室在關閥件周圍形成下低上高的壓差，流體壓力推動關閉件向下移動，關閉。特點： 流體壓力范圍上限較高，可任意安裝（需）但必須滿足流體壓差條件 。特點：在真空、負壓、零壓時能正常工作，但通徑一般不超過25mm。在的不同位置開有通孔，每個孔都通向不同的油管，腔中間是閥，兩面是兩塊電磁鐵，哪面的磁鐵線圈通電閥體就會被吸引到哪邊，通過控制閥體的移動來檔住或漏出不同的排油的孔，而進油孔是常開的，液壓油就會進入不同的排油管，然后通過油的壓力來推動油剛的活塞，活塞又帶動活塞桿，活塞竿帶動機械裝置動。

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B72G-2GK-SD3-RMN
B72G-2GK-ST1-RFN
B72G-2GK-ST1-RMN
B72G-2GK-ST2-RMN
B72G-2GK-ST3-RMN
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B73G-2AK-QD3-RMG
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B74G-6AK-QD3-RMN
B74G-6AK-QP3-RMN
B74G-6BK-AD1-RMN
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B72G-2AS-980
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B72G-2BK-ST1-RMN
B72G-2GK-AE1-RFN
B72G-2GK-AE1-RMN
B72G-2GK-AE2-RMN
B72G-2GK-AL1-RFN
B72G-2GK-AL1-RMN
B72G-2GK-AL2-RMN

英NORGREN諾冠調壓閥B07-233-A1KG