The value of a particular hold time during a hydrotest cannot be determined in terms of pipeline integrity because the consequences of holding cannot be measured, making any specified hold time of the ...

Indraprastha Gas Limited has rolled out an automated vehicle verification system at ten Delhi retail outlets, using cameras and artificial intelligence to check CNG cylinder hydro-test certificates ...

Retail outlets of Indraprastha Gas Ltd (IGL) will not dispense compressed natural gas (CNG) to vehicles without a valid hydro-test certificate, the company said on Tuesday. Under government ...