KL0311 4 way electronic valves for air compressor Voltage:DC12V,24V.AC110V, ... compressor to control loading,off-loading,pressurizing,decompression,inlet,exhaust automatically.It has the character of high pressure- ... solenoid valve (one inlet port,2 working ports,one exhaust port). it is same with function of one ... .Order Code:size: KL0311 4 way electronic valves for air compressor/DC12V,24V.AC110V,220V