burkert 0280A伺服控制的两位两通隔膜阀
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burkert 0280A伺服控制的两位两通隔膜阀带有伺服隔膜和强制提升装置的先导式直通阀有两种类型，即在无流量时关闭或在无流量时打开。当作用方式 A 为关闭状态时，芯体会在弹簧力的作用下将先导式孔眼关闭。经由一个隔膜节流孔，在隔膜上方形成介质压力，进而关闭阀门。
- 产品描述
burkert 0280A伺服控制的两位两通隔膜阀产品简介：Type 280 is a normally closed or normally open servo-assisted solenoid valve (circuit functions A and B).For circuit function A, the valve is normally closed by spring action assisted by the fluid pressure.When de-energized, a pressure is built up above the servo diaphragm pressing it down to close the valve.When energized, the space above the servo diaphragm is exhausted via the pilot valve, the diaphragm is lifted by the fluid pressure to open the valve.G 1/4, G 3/8, G 1/2 Circuit function B, normally open,provides the opposite function. It is important to note that the media is exhausted to atmosphere via the pilot operator when the valve is deenergised.The solenoid epoxy ncapsulation efficiently dissipates the heat generated by the coil.Fluid。
burkert 0280A伺服控制的两位两通隔膜阀技术参数：
两位两通常开和常闭
黄铜阀体
内螺纹连接
介质压力0.2-16公斤
先导阀，打开阀门至少需要0.5bar
通径8.0和13.0mm
密封材质：NBR EPDM FKM
订货号：
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