This standard specifies the terms and definitions of steel-framed polyethylene plastic composite pipes for water supply, raw materials, general provisions, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to steel-framed polyethylene plastic composite pipes for water supply, both overhead and buried inside and outside buildings.
CJ/T 123-2016 Referenced Document
GB 15558.1 Buried polyethylene (PE) piping systems for gas - Part 1: Pipes*, 2017-01-01 Update
GB/T 1033.1 Plastics.Methods for determining density of non-celluar plastics.Part1:Immersion method,liquid pyknometer method and titration method
GB/T 13021 Calcination and pyrolysis methods for determination of carbon black content of polyolefin pipes and fittings*, 2023-08-06 Update
GB/T 15560 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 Standard for safety evaluation of equipment and protective materials in drinking water system
GB/T 18251 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds*, 2019-08-30 Update
GB/T 18252 Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation*, 2020-11-19 Update
GB/T 18476 Polyolefin pipes for the conveyance of fluids—Determination of resistance to crack propagation—Test method for slow crack growth(notch test)*, 2019-08-30 Update
GB/T 19466.6 Plastics.Differential scanning calorimetry(DSC).Part 6:Determination of oxidation induction time(isothermal OIT) and oxidation induction temperature (dynamic OIT)
GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*, 2021-12-31 Update
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 2918 Standard environment for conditioning and testing of plastic specimens*, 2019-11-01 Update
GB/T 3681 Plastics. Methods of exposure to direct weathering,to weathering using glass-filtered daylight,and to intensified weathering by daylight using Fresnel mirrors
GB/T 3682 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics
GB/T 6111 Thermoplastics piping systems for the conveyance of fluids.Determination of the resistance to internal pressure*, 2018-03-15 Update
GB/T 6671 Thermoplastics pipes-Determination of longitudinal reversion
GB/T 8806 Plastics piping systems.Plastics components.Determination of dimensions