GB/T 18997.1-2020 Active National standards

GB/T 18997.1-2020 Plastic/aluminum/plastic composite pressure pipes—Part 1:Composite pipes overlap-welded by aluminum pipe

GB/T 18997.1-2020 Plastic/aluminum/plastic composite pressure pipes—Part 1:Composite pipes overlap-welded by aluminum pipe

Publish Date: 2020-11-19 Implement Date: 2021-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: GB/T 18997.1-2020
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Plastic profiles
ICS Name: Plastic pipes, fittings, and valves
Publish Date: 2020-11-19
Implement Date: 2021-06-01
Pages: 38 pages

Scope

This part of GB/T 18997 specifies the terms and definitions, symbols and abbreviations, classification, conditions of use and marking, materials, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of aluminum-plastic composite pressure pipes (referred to as welded aluminum-plastic pipes) reinforced with embedded overlapped-welded aluminum pipes as the metal layer and compounded with inner and outer layers of plastic by co-extrusion hot-melt adhesive.
This part is applicable to heat-resistant polyethylene welded aluminum-plastic pipes, cross-linked polyethylene welded aluminum-plastic pipes, and random copolymer polypropylene welded aluminum-plastic pipes used in cold and hot water distribution systems, as well as polyethylene welded aluminum-plastic pipes and cross-linked polyethylene welded aluminum-plastic pipes used in cold water, gas, compressed air, and special fluid distribution systems with operating temperatures not exceeding 40 °C.
Note: Polyethylene welded aluminum-plastic pipes, heat-resistant polyethylene welded aluminum-plastic pipes, and cross-linked polyethylene welded aluminum-plastic pipes adopt inner sealed mechanical connections, while random copolymer polypropylene welded aluminum-plastic pipes adopt double-sided hot-melt socket-and-plug connections.

Development Information

Word Count: 66 Thousand words Pages: 38 pages

Same series standard

Replace the following standards

Referenced Standards

GB/T 6111-2018 Thermoplastics piping systems for the conveyance of fluids—Determination of the resistance to internal pressure GB/T 15558.1-2015 Buried polyethylene(PE)piping systems for the supply of gaseous fuels—Part 1:Pipes GB/T 18742.2-2017 Polypropylene(PP) piping systems for hot and cold water installations—Part 2:Pipes GB/T 19278-2018 General terms and their definitions of thermoplastic pipes,fittings and valves GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 1033.1-2008 Plastics—Methods for determining the density of non-cellular plastics—Part 1:Immersion method,liquid pyknometer method and titration method GB/T 1040.1-2006 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.1-2018 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.2-2006 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1040.2-2022 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 2791-1995 Adhesives, T peel strength test method for a flexible-to-flexible test specimen assembly GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 3682.1-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 1:Standard method GB/T 8806-2008 Plastics piping systems—Plastics components—Determination of dimensions GB/T 13663.1-2017 Polyethylene(PE)piping systems for water supply—Part 1:General GB/T 15560-1995 Standard test method for short-time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 18474-2001 Pipes and fittings made of crosslinked polyethylene(PE-X)—Estimation of the degree of crosslinking by determination of the gel content GB/T 18742.1-2002 Polypropylene piping systems for hot and cold water installations—Part 1:General GB/T 18742.1-2017 Polypropylene(PP) piping systems for hot and cold water installations—Part 1:General GB/T 18991-2003 Thermoplastics pipes and fittings for hot and cold water systems GB/T 18992.1-2003 Crosslinked polyethylene(PE-X) piping systems for hot and cold water installations—Part 1:General GB/T 18992.2-2003 Crosslinked polyethylene(PE-X) piping systems for hot and cold water installations—Part 2:Pipes GB/T 19466.3-2004 Plastics—Differential scanning calorimetry(DSC)—Part 3:Determination of temperature and enthalpy of melting and crystallization GB/T 19466.6-2009 Plastics—Differential scanning calorimetry(DSC)—Part 6:Determination of oxidation induction time(isothermal OIT)and oxidation induction temperature(dynamic OIT) GB/T 19993-2005 Thermoplastics piping systems for hot and cold water supply—Test method for the resistance of pipes and fittings mounted assemblies to thermal cycling GB/T 28799.1-2012 Plastics piping systems for hot and cold water installations—Polyethylene of raised temperature resistance(PE-RT)—Part 1:General GB/T 28799.1-2020 Polyethylene of raised temperature resistance(PE-RT) piping systems for hot and cold water installations—Part 1:General GB/T 8806-1988 Method for dimension measuring of plastic pipes GB/T 1040.1-2025 Plastics—Determination of tensile properties—Part 1:General principles GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system GB/T 19466.3-2025 Plastics—Differential scanning calorimetry(DSC) method—Part 3:Determination of temperature and enthalpy of melting and crystallization

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