This standard specifies the definition, symbols, abbreviations, materials, products, classification and control marks, pipe structure and connection methods, technical requirements, test methods, inspection rules and signs, transportation and storage.
This part applies to buried drainage pipes and communication sleeves with long-term temperature not exceeding 45 degrees Celsius or industrial drainage and sewage pipes. Free download hdpe double-wall corrugated pipe national standard GBT19472.1-2004
This article is the national standard of HDPE double-wall corrugated pipe. This article is the standard issued in 2004. The standard has been updated in 2019. The new standard is GB/T19472.1-2019HDPE double-wall corrugated pipe national standard.