This is new product recently launched by AIRTAC and it also withstand the quality that is ensured with the name of AIRTAC. ISO Standard solenoid valve ESV200-400 Series have succinct appearance and compact conformation. Because of the special seals the feature are large flow rate and log lifetime. You can adjust the installation direction of the pilot O-ring to change the acting type; internal pilot, external pilot or air control. You need install the valve together with the manifold. There are single type and parallel type for manifold. Various connection and installation method for manifold. It is easy to use. The manifold have the function of exhaust throtting, so no need to connect another throttle valve