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Rexroth比例伺服閥供貨源頭，力士樂比例伺服閥介紹：
電液比例伺服閥（也稱伺服比例閥，伺服比例閥叫的比較多）是伺服比例閥是比例技術與伺服技術結合的產物。它是將比例閥中的比例電磁鐵和伺服閥中的閥芯和閥套加工技術有機結合獲得的。與比例閥相比，它zui重要的特征就是當閥芯處于中位時，閥口是零開口的（閥口的遮蓋量幾乎為零），這意味著伺服比例閥的控制特性具有死區為零的特點，特別適用于作為閉環系統的控制元件。它可以按給定的輸入電壓或電流信號連續地按比例地遠距離地控制流體的方向、壓力和流量。
采用電液比例控制閥可以提高系統的自動化程度和精度，又簡化了系統。比例閥的工作雖用伺服閥可完成，但后者精度高、價格貴，對油液清潔度要求更高。比例閥主要結構與普通閥差別不大，只是比例閥均由比例電磁鐵驅動（一種電—機械轉換器）。要注意到比例閥，伺服閥和伺服比例閥是三種不同類型的閥。
比例閥分為：比例壓力閥、比例流量閥和比例方向閥
電液比例伺服閥又叫電液伺服比例閥，來源于比例技術與伺服技術的結合，一種是采用比例電磁鐵作為電-機轉換器，將傳統電液比例閥的功率滑閥改進成伺服閥的閥芯、閥套結構；一種是將電液伺服閥的滑閥的閥套結構去掉，機械反饋改為電反饋。
Rexroth比例伺服閥供貨源頭，詢價注意事項：   
1.請提供*列的物料編號和第二列具體型號
2.請發書面詢價函（郵件，，傳真等），不接受口頭報價。
3.詢價的商友請主動告知公司名稱和，否則不予報價。
4.如果型號不能*對上，請提供英文品牌名+具體型號+數量。
Rexroth比例伺服閥供貨源頭，力士樂比例伺服閥常用型號：
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