The 2-way normally closed general purpose solenoid is to control On/Off of liquid. This industrial solenoid has 1/2" inch inlet ports. stays close when the coil is de-energized, and it opens when energized. It’s suitable for liquid, water, high-end water heaters, fountains, water heaters, straight drinking machines, water purification machines, , energy-saving air-conditioning, water treatment, cooling equipment and water industry and other fields, a widely used tool for daily use. Features: - Robust brass with nickle and finished, leakage proof, , durable and wear-resistant. - DC 12V 1/2in quick connect solenoid valve. - Keep constant current steady flow as well as preventing the dry burning and monitoring the flow. - Normally Closed. Open when current through, closed when no current through. - Designed to control automatically the liquid. Suitable for hot or cold water. Specifications - Color: Golden - Material: Brass - Size: Approx. 6.4 x 6.2 x 4 cm / 2.44 x 2.51 x 1.57 inch(LxWxH) - Type:Ordinary temperature normally closed, two way solenoid valve - Nominal diameter: 1/2" - Connecting format: Internal thread /screw thread - Liquid Temperature: Not More Than 80 degree - Working Voltage: DC12V - Working water pressure Range: 0.02-0.8 Mpa - Maximum water pressure: 1.75MPa - Flow Range: 3L/min-25L/min - Coil Resistance: 26 (DC12V) - Insulation Resistance: Should more than 100MOmega - Life Time: More Than 300, 0000 times Package list: 1 x 1/2" DC 12V 2-Way Quick Connect Normally Closed Brass Electric Solenoid Magnetic Water Inlet Flow Electromagnetic