This standard specifies the definition, type, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of liquefied petroleum gas solenoid valve products for automobiles. This standard is applicable to the liquefaction of gas vehicles using automotive liquefied petroleum gas that meets the requirements of SY 7548 as the working medium under the working environment conditions of ambient temperature of -40°C to +120°C and relative humidity of 5% to 100%. Solenoid valve that realizes the opening and closing control function in the petroleum gas supply system.