This electric solenoid valve is N.C normally closed type, suitable for water supply. Durable, practical and stable. Moistureproof and anti-corrosion. The electric solenoid valve is made of high-quality plastic and brass material, with a long serving life. It is a good choice to replace the bad work solenoid valve for machine specifications Material Plastic Brass Rated voltage DC 12V Thread DN20 Environmental Temperature 040°C Applicable media (055°C) Water Operation mode Normally closed Working pressure 0.020.8Mpa Size Approx. 7 x 6.5cm . 2.75 x 2.5inch Weight Approx. 213gPackage Included 1 x Dual Head Electric Solenoid Valve.