Product description Name: Electric Solenoid Valve Model: 2W025-08,2W040-10,2W160-15,2W200-20,2W250-25 Material: Brass Color: Black + Gold Voltage: AC220V Type: Normally Closed type(N/C) Acting Motion: Direct action Connecting Format: Inside thread Pipe Diameter: DN08(1/4" ) DN10 (3/8") DN15(1/2" ) DN20 (3/4") DN25(1"). Nominal Diameter: DN08(2.5MM) DN10(4MM) DN15(16MM) DN20(20MM) DN25(25MM) Fluid Temperature: -5~80℃ Work Pressure: 0-10Kg/cm⊃2; Protect Class: IP6 Oil Seal Material: NBR Ports: 1/4" 3/8" 1/2" 3/4" 1" Inlet and Outlet Ports. Working Medium: Air, Water, Oil Features: - Two-position, one-way, normal close switch, magnetic solenoid water valve. - High-quality aluminum alloy gravity casting, hard and durable, non-corrosive, the product has the direction of water inlet and outlet. - Can be installed at any angle, but it is a good choice when the horizontal tube keep upward. - Easily replaces broken valves for use with pipelines in water, air and diesel-gas applications. Note:this solenoid valve is not suitable for continuous opening for 24 hours,Or the coil maybe burn!!!