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代理德國REXROTH比例伺服閥低價供應

力士樂Rexroth伺服閥液控伺服閥主要是指電液伺服閥,它在接受電氣模擬信號后，相應輸出調制的流量和壓力。它既是電液轉換元件，也是功率放大元件，它能夠將小功率的微弱電氣輸入信號轉換為大功率的液壓能（流量和壓力）輸出。在電液伺服系統中，它將電氣部分與液壓部分連接起來，實現電液信號的轉換與液壓放大。電液伺服閥是電液伺服系統控制的核心。

力士樂Rexroth閥對流量的控制可以分為兩種：

一種是開關控制：要么全開、要么全關，流量要么zui大、要么zui小，沒有中間狀態，如普通的電磁直通閥、電磁換向閥、電液換向閥。

另一種是連續控制：閥口可以根據需要打開任意一個開度，由此控制通過流量的大小，這類閥有手動控制的，如節流閥，也有電控的，如比例閥、伺服閥。

所以使用比例閥或伺服閥的目的就是：以電控方式實現對流量的節流控制（當然經過結構上的改動也可實現壓力控制等），既然是節流控制，就必然有能量損失，伺服閥和其它閥不同的是，它的能量損失更大一些，因為它需要一定的流量來維持前置級控制油路的工作。

代理德國REXROTH比例伺服閥低價供應

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代理德國REXROTH比例伺服閥低價供應

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代理德國REXROTH比例伺服閥低價供應

上海維特銳實業發展有限公司為客戶提供原裝正廠的力士樂比例伺服閥，以合理的性價比，快捷的交貨期，熱情周到的服務，為客戶提供高品質、經濟耐用、品種齊全的產品力士樂比例伺服閥，從而贏得客戶的*贊賞。我們將不負客戶對本公司的期望和厚愛，努力為廣大客戶提供優質的產品、良好的售后服務，努力成為*秀的力士樂比例伺服閥供應商。我們公司是國外渠道直接廠家拿貨，貨到中國公司可提供報關單，本公司所有產品假一賠十!*原裝*力士樂比例伺服閥，且合同注明假一賠十。

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