The ASCO™ Series 344 Piston Solenoid Valves offer direct-acting, solenoid-controlled operation and are constructed from durable brass, supporting a wide range of media, including air, inert gas, light oil, and water. With pipe sizes from 1/4" to 1" NPTF and a 4-way, 4/2 function, these valves achieve flow rates between 0.05 and 5.19 Kv. They meet rigorous standards for hazardous indoor and outdoor environments, such as ATEX and IEC Ex for Zones 0 to 20, and Class I Division 1 to 2, making them versatile in various industrial applications.