... air compressor Voltage:DC12V,24V.AC110V,220V sealing:viton KL0311 4 way electronic valvesMainly used in air compressor to control loading, ... pressurizing,decompression,inlet,exhaust automatically.It has the character of high pressure-proof,flexible acting,low demand of media purity ... size,good sealing,easy fixing.Order Code:size: KL0311 4 way electronic valves for air compressor/DC12V,24V.AC110V,220V