This standard specifies the technical requirements for energy-saving design of long-distance natural gas pipelines and underground gas storage projects. This standard applies to new construction, reconstruction and expansion projects of long-distance natural gas pipelines and underground gas storages.
SY/T 6638-2005 history
2012SY/T 6638-2012 Technical specification for energy conservation in natural gas transportation pipeline and underground gas storage design
2005SY/T 6638-2005 Code for design of energy saving in gas transmission pipeline and underground gas storage