GB/T 28799.4-2024 Polyethylene of raised temperature resistance(PE-RT) piping systems for hot and cold water installations—Part 4:Valves

GB/T 12670-2008 Polypropylene(PP) resin GB/T 27572-2011 Rubber seals—Joint rings for pipelines for hot-water supply up to 110 ℃—Specification for the materials 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 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 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 18251-2000 Method for the assessment of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds GB/T 18251-2019 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds GB/T 19278-2003 General terms and their definitions of thermoplastic pipes, fittings and valves GB/T 19278-2018 General terms and their definitions of thermoplastic pipes,fittings and valves 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 21300-2007 Plastics pipes and fittings—Determination of opacity GB/T 21465-2008 Terminology for valves GB/T 22271.2-2008 Plastics—Polyoxymethylene(POM)moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties GB/T 22271.2-2021 Plastics—Polyoxymethylene(POM) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties GB/T 22271.3-2016 Plastics—Polyoxymethylene(POM) moulding and extrusion materials—Part 3:Requirements for general materials GB/T 27726-2011 Thermoplastics valves—Pressure test methods and requirements GB/T 28799.2-2012 Plastics piping systems for hot and cold water installations—Polyethylene of raised temperature resistance(PE-RT)—Part 2:Pipes 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 28799.3-2012 Plastics piping systems for hot and cold water installations—Polyethylene of raised temperature resistance(PE-RT)—Part 3:Fittings 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 37842-2019 Ball valves of thermoplastics materials GB/T 8806-1988 Method for dimension measuring of plastic pipes GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system