Description:The normally closed general purpose solenoid is to control On/Off of liquid. This industrial solenoid has G3/4 inlet ports. stays close when the coil is de-energized, and it opens when energized.Features:- Made of material for lasting use. - Replace old or broken with a new one. - Normally Closed. Open when current through, closed when no current through. - Designed to control automatically the liquid. Suitable for warm or cold water. - Note: The altitude does not exceed 2500 meters, ambient temperature is 0-40 C, relative humidity is below 95% (temperature is 25 C) .Specifications- Color: Golden. - Material: copper. - Size: 7x6x3.5cm/2.75x2.36x1.37inch Insulation class: Class E insulation Working mode: short-term fixed-rate system (that is, intermittent cycle working system) Use fluid: (0-55 C) water Rated current: 12V 300MA Use water pressure: 0.02-0.8Mpa Life: more than 100,000 times