1. Internal pilot structure;2. Sliding column structure, good sealing and sensitive response;3. The double-head two-position solenoid valve has a memory function;4. The inner hole is processed by special technology, with small friction resistance, low starting air pressure and long service life;5. No need for lubrication;6. Side panel installation, can be directly connected to the actuator;7. Equipped with manual device to facilitate installation and debugging;8. There are a variety of standard voltage levels available. Category: Solenoid Valve, Brand: Airtac, Series: 4M