Bruket电磁阀5404系列宝德一级代理有常闭型和常开型二种。常闭型断电时呈关闭状态，当线圈通电时产生电磁力，使动铁芯克服弹簧力同静铁芯吸合直接开启阀，介质呈通路；当线圈断电时电磁力消失，动铁芯在弹簧力的作用下复位，直接关闭阀口，介质不通。结构简单，动作可靠，在零压差和微真空下正常工作。常开型正好相反
Bruket电磁阀5404系列宝德一级代理通电时，电磁线圈产生电磁力把关闭件从阀座上提起，阀门打开；断电时，电磁力消失，弹簧把关闭件压在阀座上，阀门关闭。在真空、负压、零压时能正常工作，但通径一般不超过25mm。电磁阀从阀结构和材料上的不同与原理上的区别，分为六个分支小类：直动膜片结构、分步直动膜片结构、先导膜片结构、直动活塞结构、分步直动活塞结构、先导活塞结构。
Bruket电磁阀5404系列宝德一级代理When energized, the electromagnetic coil generates electromagnetic force to lift off the closing part 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. When vacuum, negative pressure, zero pressure can work normally, but general diameter not more than 25mm。Electromagnetic valve from the valve structure and the differences between the different materials and principle, is divided into six branches small classes: straight moving membrane structure, membrane structure, the forerunner of moving step by step, straight moving piston structure, membrane structure step by step piston structure, the forerunner of moving piston structure
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