KL0311 4 way electronic valves for air compressor Voltage:DC12V,24V.AC110V,220V sealing:viton KL0311 4 way ... electronic valvesMainly used in air compressor to control loading,off-loading,pressurizing,decompression,inlet,exhaust automatically ... is 4/2 way solenoid valve (one inlet port,2 working ports,one exhaust port). it is same with function of ...