burkert5281 B 20.0 G3/4 0.2-16bar德國BURKERT電磁閥全部系列 分布直動式電磁閥 原理： 它是一種直動和先導式相結合的原理，當入口與出口沒有壓差時，通電后，電磁力直接把先導小閥和主閥關閉件依次向上提起，閥門打開。當入口與出口達到啟動壓差時，通電后，電磁力先導小閥，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，先導閥利用彈簧力或介質壓力推動關閉件，向下移動

burkert5281 B 20.0 G3/4 0.2-16barBURKERT產品大致分為六大類：“通用電磁閥系統”“過程控制閥系統”“氣動控制閥系統”“液體分析閥系統”“傳感器/變送器”和 “控制器”，很多產品達到衛生級標準。   電磁閥是用來控制流體的方向的自動化基礎元件，屬于執行器；通常用于機械控制和工業閥門上面，對介質方向進行控制，從而達到對閥門開關的控制。電磁閥從原理上分為三大類直動式電磁閥 原理：通電時，電磁線圈產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，閥門關閉。 特點：在真空、負壓、零壓時能正常工作，但通徑一般不超過25mm。BURKERT products roughly divided into six categories: "general solenoid valve system" "process control valve system" "pneumatic control valve system", "analysis of liquid valve system" "sensor/transmitter" and the "controller", a lot of products reach the standard level of health. The solenoid valve is an automatic basic component used to control the direction of the fluid. Normally used for mechanical control and industrial valves, control of medium direction to achieve the control of valve switch. The electromagnetic valve is divided into three main types of direct acting solenoid valve principle: when energized, the electromagnetic coil generates electromagnetic force to lift off the closing piece from the seat and the valve opens; When the power is off, the electromagnetic force disappears and the spring closes the closing piece on the seat and the valve closes. Features: it can work normally when vacuum, negative pressure and zero pressure, but not more than 25mm.

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