... valve, water vavle, shower solenoid valve, irrigation valve, washing machine solenoid valve, plastic solenoid valve, valve, hydrant valve ... layers insulationWithstand high voltage pulse for 2s, it should be normal.Continuously energizedEnergize for 12h, but ... no flashover or breakdown;Non-return functionNoFiltering functionbuilt-in filter screenAdjustment functionNoAngle between coil and valve body360, ...