Solenoid Single solenoid Double solenoid Double solenoid Double solenoid Double solenoid Item 4V210-06 4V220-06 4V230C-06 4V230E-06 4V230P-06 4A210-06 4A220-06 4A230C-06 4A230E-06 4A230P-06 Media Air Operating method Internally piloted Valve type 2 Positions 5 Ports 3 Positions 5 Ports Effective sectional area mm2(CV) 14(0.78) 12(0.67) Port size In=Out=Exhaust=1/8" Lubrication Not required Service pressure range kg/cm2 1.7--7.0 Service temperature range ? 5--50 Pressure resistance kg/cm2 10.5