This Standard specifies the type, basic parameters, requirements, test methods, inspection rules, mark, package, transportation and storage of solenoid valves of CNG vehicles (its definition is in GB/T 17895). This Standard is applicable to the solenoid valve that controls the open-close functions in compressed natural gas supply system of the gas vehicle, of which the working medium of compressed natural gas for vehicles meets the requirements of GB 18047, the operation environment is that - the working pressure is not greater than 20MPa (The pressure stated in this Standard all refers to the gauge pressure), the environment temperature is -40°C~+120°C, and the relative humidity is 5%~100%.
Basic Data
Standard ID
QC/T 674-2007 (QC/T674-2007)
Description (Translated English)
Solenoid valve of CNG vehicles
Sector / Industry
Automobile and Vehicle Industry Standard (Recommended)
This standard specifies the automotive CNG solenoid valve (as defined in GB/T 17895) Product Types and basic parameters, requirements, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to the working pressure of not more than 20MPa (this standard is the pressure are to gauge), the ambient temperature is -40��C ~ +120��C, relative humidity 5% to 100% of the working environment conditions, in order to comply with GB 18047 requires an automobile as the working medium compressed natural gas, compressed natural gas in the gas supply system of the car to achieve the opening and closing of the solenoid valve control function.
