德国进口burkert 5281先导型伺服控制电磁阀

德国进口burkert 5281先导型伺服控制电磁阀

带有伺服隔膜的 5281EEx 型先导式阀，根据其防爆级别的不同，可被应用于易爆环境中，用于闭塞、计量及灌注气态和液态介质。这样的压力需要先到压力0.2KG，黄铜外壳。burkert产品大致分为六大类：“通用电磁阀系统”“过程控制阀系统”“气动控制阀系统”“液体分析阀系统”“传感器/变送器”和 “控制器”，很多产品达到卫生级标准。

德国进口burkert 5281先导型伺服控制电磁阀

in the process, there will be dead area the process variable deviates from the original set point. So the output of the controller must increase to enough to overcome dead zone, only the corrective action occurs.the main factors influencing dead area. The friction, the moving, valve shaft torsional, amplifier, dead zone. Of various control valve on the friction sensitivity is not the same, such as plug valves for the friction caused by the high seat load is very sensitive, so take note when using. But for some seal type, high seat load is necessary in order to obtain close ranks.

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