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 28799.2-2020 Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 2:Pipes GB/T 28799.3-2020 Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 3:Fittings GB/T 28799.5-2020 Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 5:Fitness for purpose of the system

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 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 1033.2-2010 Plastics—Methods for determining the density of non-cellular plastics—Part 2:Density gradient column method GB/T 19278-2018 General terms and their definitions of thermoplastic pipes,fittings and valves 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 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 6111-2003 Thermoplastics pipes for the conveyance of fluids-Resistance to internal pressure—Test method GB/T 6111-2018 Thermoplastics piping systems for the conveyance of fluids—Determination of the resistance to internal pressure GB/T 9345.1-2008 Plastics—Determination of ash—Part 1:General methods GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 18252-2000 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation GB/T 18252-2008 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation GB/T 18252-2020 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation GB/T 18476-2001 Polyolefin pipes for the conveyance of fluids—Determination of resistance to crack propagation-Test method for slow crack growth on notched pipes(notch test) GB/T 18476-2019 Polyolefin pipes for the conveyance of fluids—Determination of resistance to crack propagation—Test method for slow crack growth(notch test) GB/T 18991-2003 Thermoplastics pipes and fittings for hot and cold water systems 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 19809-2005 Plastics pipes and fittings—Preparation of polyethylene (PE) pipe/pipe or pipe/fitting test piece assemblies by butt fusion GB/T 19810-2005 Polyethylene (PE) pipe and fittings—Determination of the tensile strength and failure mode of test pieces from a butt-fused joint GB 50736-2012 Design code for heating ventilation and air conditioning of civil buildings GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system

ISO 22391-1:2009