SA-G01-C1-F-D2-31日本NACHI优质换向阀SA-G01-C1-F-D1-31SA-G01-C1-F-D2-31】SA-G01-C1-F-E1-31SA-G01-C1-F-E115-31SA-G01-C1-F-E2-31SA-G01-C1-F-E230-31SA-G01-C1-GR-C1-31SA-G01-C1-GR-C2-31，SA-G01-C1-GR-C115-31SA-G01-C1-GR-C230-31SA-G01-C1-GR-D1-31SA-G01-C1-GR-D2-31SA-G01-C1-J-D1-31SA-G01-C1-J-D2-31SA-G01-C1-J-C1-31SA-G01-C1-J-C115-31SA-G01-C1-J-C2-31SA-G01-C1-J-C230-31SA-G01-C1-K-D1-31SA-G01-C1-K-D2-31SA-G01-C1-K-C1-31SA-G01-C1-K-C115-31SA-G01-C1-K-C2-31SA-G01-C1-K-C230-31SA-G01-C1-K-E1-31SA-G01-C1-K-E115-31SA-G01-C1-K-E230-31SA-G01-C1-K-E2-31SA-G01-C1-F-D2-31日本NACHI优质换向阀SA-G01-C1-N-D1-31SA-G01-C1-N-D2-31SA-G01-C1-N-C1-31SA-G01-C1-N-C115-31SA-G01-C1-N-C2-31SA-G01-C1-N-C230-31SA-G01-C1-N-E1-31SA-G01-C1-N-E115-31SA-G01-C1-N-E230-31SA-G01-C1-N-E2-31SA-G01-C1-R-D1-31SA-G01-C1-R-D2-31SA-G01-C1-R-C1-31SA-G01-C1-R-C115-31SA-G01-C1-R-C2-31SA-G01-C1-R-C230-31SA-G01-C1-R-E1-31SA-G01-C1-R-E115-31SA-G01-C1-R-E230-31SA-G01-C1-R-E2-31SA-G01-C1-F-D2-31日本NACHI优质换向阀日本不二越NACHI电磁阀工作原理：它是一种直动和先导式相结合的原理，当入口与出口没有压差时，通电后，电磁力直接把先导小阀和主阀关闭件依次向上提起，阀门打开。当入口与出口达到启动压差时，通电后，电磁力先导小阀，主阀下腔压力上升，上腔压力下降，从而利用压差把主阀向上推开；断电时，先导阀利用弹簧力或介质压力推动关闭件，向下移动，使阀门关闭。SA-G01-C2-F-D1-31，SA-G01-C2-F-D2-31SA-G01-C2-F-E1-31SA-G01-C2-F-E115-31SA-G01-C2-F-E2-31SA-G01-C2-F-E230-31SA-G01-C2-GR-C1-31SA-G01-C2-GR-C2-31SA-G01-C2-GR-C115-31SA-G01-C2-GR-C230-31SA-G01-C2-GR-D1-31SA-G01-C2-GR-D2-31SA-G01-C2-J-D1-31SA-G01-C2-J-D2-31SA-G01-C2-J-C1-31SA-G01-C2-J-C115-31SA-G01-C2-J-C2-31SA-G01-C2-J-C230-31SA-G01-C2-K-D1-31SA-G01-C2-K-D2-31，SA-G01-C2-K-C1-31SA-G01-C2-K-C115-31SA-G01-C2-K-C2-31SA-G01-C2-K-C230-31SA-G01-C2-K-E1-31SA-G01-C2-K-E115-31SA-G01-C2-K-E230-31SA-G01-C2-K-E2-31SA-G01-C1-F-D2-31日本NACHI优质换向阀)