Product: 1/2" NPT Brass Electric Solenoid Valve 12V DC Normally Closed VITON from U.S. SOLID
Brand: U.S. Solid
U.S. Solid normally closed (N/C) electric solenoid valve is constructed with a durable brass body, one-half inch (1/2") female threaded (NPT) connections, and heat and oil resistant Viton gasket. Suitable for use with hot or cold water, gas, air, very low viscosity fluids (< 20 cst), oils and hydrocarbons, gasoline, kerosene, or diesel fuel.  Customers chose this general purpose valve for: do-it-yourself projects, moderate temperature applications, harsh chemicals, flow control for irrigation systems, reverse osmosis systems, or home brewing. Brand: U.S. Solid Model: USS2-00001 Size: 1/2" Flow Aperture: 16 mm Body Material: Brass Gasket / Diaphragm / Seal: VITON Rated voltage: DC 12 V, ± 10% Current: 1.667 A Power rating: 20 W Operation Type: Semi-direct Lift Valve Operation Mode: Normally Closed Operational pressure range: 0 to 101 PSI / 0-0.7 Mpa (for Air, Water); 0 to 72 PSI / 0-0.5 Mpa (for Oil) Flow capacity: 4.8 gallons per minute (GPM) of water at 60oF with a pressure drop of 1 PSI Flow value: 4.8 Cv Minimum operational temperature: 14 degrees Fahrenheit (-10 degrees Celsius) Maximum operational temperature: 248 degrees Fahrenheit (120 degrees Celsius) Suitable Media: Air, water, oil, natural gas, diesel fuel, kerosene etc. Can not be used in strong acid, strong base, waste water, industrial gas and other media containing many impurities. Quality assurance: CE Certified Valve is not intended to be energized continuously for more than 8 hours. This can lead to burnout of the coil, and malfunctioning of the valve. 
Constructed of industrial grade brass, this valve is corrosion resistant, more conducive for welding, optimal for higher temperature projects, and can be used with gasoline, diesel fuel, kerosene oil, natural gas, air etc. Due to the chemical composition of brass, this valve should NOT be used with projects involving drinking water or other water projects.
This valve was manufactured with a VITON seal. VITON is the most durable and high performance rubber material with the ability to resist high temperatures and corrosive chemicals and other fluids like gasoline, diesel fuel, oils, and lubricants.
This highly responsive valve will open and close in less than 1 second when actuated; meaning it will open or close the flow instantaneously when energized or de-energized. Also, our U.S. SOLID engineers have determined that the life cycle of this valve is well over a million cycles with proper operating conditions and maintenance.
PLEASE NOTE: This valve is NOT a continuous duty valve and should NOT be in continuous use for more than 8 hours in a single cycle; to do so will shorten the life of the valve and may cause the core of the valve to burn out. If you need a continuous duty valve for your project please search for our U.S. SOLID Motorized Ball Valves.
As with all U.S. SOLID products, this valve comes with a ONE YEAR WARRANTY. If the valve does become defective within the first year of purchase, U.S. SOLID will gladly replace it.

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