GB/T 19812.7-2024 Plastic equipment for water saving irrigation—Part 7:Plastic valve for micro-irrigation

GB/T 10002.1-2023 Unplasticized poly (vinyl chloride) (PVC-U) pipes for water supply GB/T 28494-2012 Globe valves of thermoplastics materials 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 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 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 1:Parallel internal and taper external threads GB/T 7306.2-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 2:Taper internal and external threads GB/T 8801-2007 Test method for unplasticized polyvinyl chloride(PVC-U)fittings by falling GB/T 8802-2001 Thermoplastics pipes and fitting-Determination of vicat softening temperature GB/T 8803-2001 Injection-moulded unplasticized poly(vinyl chloride)(PVC-U),chlorinated poly(vinyl chloride)(PVC-C),acrylonitrile butadiene-styrene(ABS)and acrylonitrile-styrene-acrylester(ASA)fittings—Hot oven test method GB/T 8806-2008 Plastics piping systems—Plastics components—Determination of dimensions GB/T 10002.2-2003 Fittings made of unplasticized poly(vinyl chloride)(PVC-U)for water supply GB/T 10002.2-2023 Unplasticized poly(vinyl chloride)(PVC-U)fittings for water supply GB/T 13663.3-2018 Polyethylene(PE)piping systems for water supply—Part 3:Fittings 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 26125-2011 Electrical and electronic products—Determination of six regulated substances(lead,mercury,cadmium,hexavalent chromium,polybrominated biphenyls,polybrominated diphenyl ethers) GB/T 27726-2011 Thermoplastics valves—Pressure test methods and requirements GB/T 37842-2019 Ball valves of thermoplastics materials GB/T 8806-1988 Method for dimension measuring of plastic pipes