The SY5420-5YO-01F-X20-Q is an Electromagnetic valve from SMC, having a 5/3 vented in the middle position, and incorporate environmental protection to the level of IP65. This valve is suitable for both switching and controlling small flow rates, such as gas and vacuum. Its design is composed of a plastic covered body with a chromatized steel for added corrosion resistance, a self-supporting aluminum cover and a stainless steel internal sleeve for further protection against external agents. This valve has a manual override button to manually move the valve from the open to the closed position and vice versa. This valve is suitable for a variety of applications, such as air conditioning, refrigeration, medical, and industrial purposes.