1 ATOS solenoid valve’s main textures is carbon steel, which makes it is stronger , more good-looking, more durable and cheaper than casting iron. Also installation is easy, fast, convenient and reliable at same time.. 2 ATOS solenoid valve has get over the defects of rubber aging and outlook rusting because it uses European advance high-tech rubber and valve production technology. It has easy switch, reliable sealing, excellent elastic memory and long working life.. 3 ATOS solenoid valve is connected by not only groove but also clamp, so it’s lightweight, reliable, safe, cheap and it needs less space than flanged joint.. 4 ATOS solenoid valve does not need to be maintained and the accessories don’t have to be exchanged in ten years if it passed the very first engineering testing.