The valve is used for air conditioning,drying machine and refrigeration machine to automatic control and protect the circle. Specifications Environment temperature: -30¡æ~+50¡æ Fluid temperature: -30¡æ~+120¡æ Refrigerant: R22, R40C7, R410a Voltage range: 85-110% Frequency: 50/60HZ Life: 100,000times |