上海维旺迪阀门有限公司

SCG551A005MS电磁阀|SCG551A005MS电磁阀现货-上海维旺迪阀门有限公司

四、电气选择：电压规格应尽量优先选用AC220V、DC24较为方便。

五、根据持续工作时间长短来选择：常闭、常开、或可持续通电

1、当电磁阀需要长时间开启，并且持续的时间多余关闭的时间应选用常开型。

2、要是开启的时间短或开和关的时间不多时，则选常闭型。

3、但是有些用于安全保护的工况，如炉、窑火焰监测，则不能选常开的，应选可长期通电型。

六、根据环境要求选择辅助功能：防爆、止回、手动、防水雾、水淋、潜水。

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