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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??统1?/p>
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: