Brass Solenoid Valves Has High Precision Pilot Head, Up to 5 Times/second Response Speed, Suitable for a Wide Range Of,Responsive, Smooth Work, High-speed Use Without Jam. This Valve's Body is Made of Solid Brass (very Corrosion Resistant Material).Safe and Reliable to Use. Widely, Informs the to Control the Flow of Various Types of Fluids to the As Air, Water, Mud, Liquid Metals, Etc. Air Solenoid Valve Has Single Control Solenoid Valve Have Internal Pilot Structure, Sliding Column Structure, Good Sealing and Responsive. It's Applicable In Many Fields: Irrigation Controls (garden, Farm,etc.), Liquid Controls ( Pipeline, Artificial River Etc. and Air Controls ( Lab, Factory, Etc.). Product Form: Normally Closed . Medium temperature: - 5 C~80C. This solenoid valve is used for Air, Water, oil & Gas medium. This valve is operated for water purpose machines especially in industrial ro plants, commercial ro plants, overhead tanks, gardening, Hydroponics, swimming pools, etc. This is a Normally closed type valve which states that when the power is supplied to solenoid valve, it becomes ON and water starts passing thru it and when the power is turned OFF, then the water will stop passing thru it. The working pressure is 0 to 7 bar. It operates on 220 volts AC. This solenoid valve can maximum works continuously for 5 hours under 80 deg C. Pipe size - 3/4 x 3/4 inch.