Product introduction. It is a compound piston guide type normally closed solenoid valve. German explosion-proof coil explosion-proof: Ex II2 G Ex e mb IIC T4 Gb. Waterproof, etc. : IP67. Two two large flow series. Applicable fluid: water, air, light oil. It is suitable for workplaces with high working frequency. The basic pressure of 0.5kgf-c square meters above can be opened.