This standard specifies the model marking, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of compressed natural gas pressure reducing regulators for automobiles (as defined in GB/T 17895). This standard is applicable to automotive compressed natural gas pressure reducing regulators with a rated working pressure not greater than 20MPa (the pressures mentioned in this standard refer to gauge pressure), a working environment temperature of -40°C to 120°C, and a working medium that meets the requirements of SY 7546.
QC/T 671-2000 history
2001QC/T 671-2000 Compressed Natural Gas Pressure Reducing Regulators for Automobiles
QC/T 671-2000 Compressed Natural Gas Pressure Reducing Regulators for Automobiles was changed to GB/T 20735-2006 Pressure regulator of CNG vehicles.