GB/T 29047-2012Prefabricated directly buried insulating pipes and fittings with polyurethane [PUR] foamed-plastics and high density polyethylene [PE] casing pipes (English PDF)
高密度聚乙烯外护管硬质聚氨酯泡沫塑料预制直埋保温管及管件
GB/T 29047 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 29047-2021 | Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes | Valid |
| GB/T 29047-2012 | Prefabricated directly buried insulating pipes and fittings with polyurethane [PUR] foamed-plastics and high density polyethylene [PE] casing pipes | Obsolete |
GB/T 29047-2012 is obsolete. It has been replaced by GB/T 29047-2021. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
December 31, 2012
Implementation date
September 1, 2013
Scope
GB/T 29047-2012 is the English-translated version of 高密度聚乙烯外护管硬质聚氨酯泡沫塑料预制直埋保温管及管件.
GB/T 29047-2012 is the Chinese national standard "Prefabricated directly buried insulating pipes and fittings with polyurethane [PUR] foamed-plastics and high density polyethylene [PE] casing pipes".
It was issued on December 31, 2012 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on September 1, 2013. It is obsolete: it has been replaced by GB/T 29047-2021.
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Document preview — GB/T 29047-2012
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2012-12-31.
Date of implementation: 2013-09-01.
Status: obsolete, replaced by GB/T 29047-2021.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 35842-2026Technical requirements for pre-insulated directly buried valves for urban heating
- GB/T 45472-2025Prefabricated insulation pipes for overhead and utility tunnel
- GB/T 39802-2021Technical requirements for thermal insulation material of urban heat-supplying
- GB/T 40068-2021Electrofusion welding sleeve (tape) for thermal insulation pipeline
- CJ/T 246-2018Preformed directly buried steam insulating pipes and fittings for urban heating
- CJ/T 246-2007Preformed directly buried steam insulating pipes and fittings for urban heating
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GB/T 29047-2012
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