This standard specifies the definition of city gas calorific value, measuring instruments, devices, test conditions, operating procedures and calculation methods of test results. This standard applies to the determination of the calorific value of artificial gas and natural gas in city gas by using a water flow manual calorimeter.
GB/T 12206-1990 history
2006GB/T 12206-2006 Testing method to determine the calorific values of town gas
1990GB/T 12206-1990 Method of testing for calorific value of gas in urban areas