This standard specifies the technical requirements for the entire process of pigging operations for long-distance natural gas pipelines. This standard applies to pigging operations on long-distance natural gas pipelines.
SY/T 6383-1999 history
2012SY/T 5922-2012 The operation regulation of gas pipeline
2003SY/T 5922-2003 Run criterion of natural gas pipeline
1999SY/T 6383-1999 The regulation of pigging for transmission natural gas pipeline
SY/T 6383-1999 The regulation of pigging for transmission natural gas pipeline was changed to SY/T 5922-2003 Run criterion of natural gas pipeline.