品牌：RETZ瑞茨/我們一直致力于流體控制領(lǐng)域的持續(xù)創(chuàng)新，始于2005……進口分步直動式電磁閥是一種直動式和先導式相結(jié)合的原理，結(jié)構(gòu)分為活塞式和膜片式，適于用氣、水、油、蒸汽、燃氣、腐蝕性流體的控制The imported step-by-step direct acting solenoid valve is a combination of direct acting and pilot operated principles, with a structure divided into piston type and diaphragm type, suitable for controlling gas, water, oil, steam, gas, and corrosive fluids
工作原理
常閉：當線圈通電時，電磁力先打開先導孔，主閥活塞上腔壓力下降，從而利用壓差和電磁力吸動先導閥芯連動主活塞，電磁閥打開。 當線圈斷電時，靠彈簧復位關(guān)閉先導孔，主活塞上腔增壓，推動主活塞向下移動，電磁閥關(guān)閉。
Normally closed: When the coil is energized, the electromagnetic force first opens the pilot hole, causing the pressure in the upper chamber of the main valve piston to decrease. Therefore, the pressure difference and electromagnetic force are used to attract the pilot valve core and connect the main piston, causing the electromagnetic valve to open. When the coil is powered off, the pilot hole is closed by spring reset, and the upper chamber of the main piston is pressurized, pushing the main piston to move downwards, and the solenoid valve is closed.
常開：常開與常閉相反 Normally open: The opposite of normally open and normally close |
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