... 1.Work pressure: 206 bar ,max pressure:226 bar 2.Voltage:DC12,DC2,AC110,or AC220 integrated pump and lift valve ... -port , two-way solenoid valve :Compose of modular check valve,manifold block and gear pump.Voltage of modular check valve : AC220V, AC110V ,DC24V ... ,or DC12VDisplacement of gear pump:GPY-3R: 3cc/rev ...