Features: This electric solenoid valve is N/C normally closed type, suitable for water, air, oil, gas transfer. Durable, practical and stable. Moisture-proof and anti-corrosion. The electric solenoid valve is made of high quality stainless steel 304 material, with long serving life. It is suitable for automatic of electrical equipment, solar water heater, garden spray irrigation, infrared sensor device, automatic billing system and so on. Specifications:Material: Stainless steel 304Type: 2 Position 2 WayRated voltage: 12VThread: G3/4"Orifice: 20mmApplicable media: Water, Air, Oil, GasOperation mode: Normally closedSeal material: Nitrile Butadiene Rubber Working temperature: 0-100℃ Operating pressure: 0-10kgf/cm² Line length: Approx. 21cm / 8.26inch Coil protection class: IP65 Size: Approx. 11.5 x 7.5 x 5.5cm / 4.52 x 2.95 x 2.16inch Weight: Approx. 846gPackage Included:1 x Electric Solenoid ValveNote:1. You need a power supply more than 2A to operate the valve normally.2. The water in the outlet of solenoid valve cannot back, if it back please install a check valve.