FD12FB2X/200B00V    FD12FB2X/200B00V

順序閥的工作條件：
順序閥的基本功能是控制多個執(zhí)行元件的順序動作，根據(jù)其功能的不同分別稱為順序閥、背壓閥、卸荷閥和平衡閥。
順序閥的性能與溢流閥基本相同，但由于功能的不同，對順序閥還有其特殊的要求：     （1）為了使執(zhí)行元件準確實現(xiàn)順序動作，要求順序閥的調(diào)壓精度高，偏差小；     （
2）為了順序動作的準確性，要求閥關(guān)閉時內(nèi)泄漏量小；  
3）對于單向順序閥，要求反向壓力損失及正向壓力損失值均應(yīng)較小。

 使用順序時應(yīng)注意以下問題：      
<1>順序閥通常為外泄方式，故必須將泄油口接至油箱，且泄油路背壓不能過高，以免影響順序閥的正常工作；       
<2>應(yīng)根據(jù)液壓系統(tǒng)的具體要求選用順序閥的控制方式，對于外控式順序閥應(yīng)提供適當?shù)目刂茐毫τ停?以使閥可靠啟、閉；      
<3>啟閉特性太差的順序閥，通過流量較大時會使一次壓力過高，導(dǎo)致系統(tǒng)效率降低；       <4>所選用的順序閥，開啟壓力不能過低，否則會因泄漏導(dǎo)致執(zhí)行元件誤動作；       
<5>順序閥的通過流量不宜小于額定流量過多，否則將產(chǎn)生振動或其他不穩(wěn)定現(xiàn)象。

*供應(yīng)力士樂柱塞泵、換向閥、溢流閥、單向閥、等電磁閥，比例閥，放大器，伺服驅(qū)動器，價格好，貨期短，常見型號備有大量現(xiàn)貨，選購。

現(xiàn)力士樂泵閥價都以批發(fā)價出售，價格優(yōu)勢!

：劉 
  
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