T/DZJN 04-2019 Home and similar purpose filter filter before removal cleaning device

GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 1019-1989 General requirements for packings of household electrical appliances GB/T 1019-2008 General requirements for the package of household and similar electrical appliances GB/T 1047-1995 Nominal size for pipe components GB/T 1047-2005 Pipework components—Definition and selection of DN (nominal size) GB/T 1047-2019 Pipework components—Definition and selection of nominal size GB/T 1048-1990 Nominal pressure for pipe components GB/T 1048-2005 Pipework components—Definition and selection of PN GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications 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 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB 4706.1-1998 Safety of household and similar electrical appliances Part 1:General requirements GB 4706.1-2005 Household and similar electrical appliances—Safety—Part 1:General requirements GB/T 4706.1-2024 Safety of household and similar electrical appliances—Part 1:General requirements GB 5749-1985 Sanitary standard for drinking water GB 5749-2006 Standards for drinking water quality GB 5749-2022 Standards for drinking water quality GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates—Rating of test specimens and manufactured articles subjected to corrosion tests 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 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 8464-1998 Valves with female screw ends for water-heating system GB/T 8464-2008 Cast iron and copper valves with screwed connections GB/T 8464-2023 Cast iron,copper and stainless steel valves with screwed connections GB/T 9797-1997 Metallic coatings—Electrodeposited coatings of nickel plus chromium and of copper plus nickel plus chromium GB/T 9797-2005 Metallic coatings—Electroplated coatings of nickel plus chromium and of copper plus nickel plus chromium GB/T 9797-2022 Metallic and other inorganic coatings—Electrodeposited coatings of nickel,nickel plus chromium,copper plus nickel and of copper plus nickel plus chromium GB/T 9798-1997 Metallic coatings—Electrodeposited coatings of nickel GB/T 9798-2005 Metallic coatings—Electrodeposited coatings of nickel GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 13927-1992 Pressure testing for general purpose valves GB/T 13927-2008 Industrial valves—Pressure testing GB/T 13927-2022 Industrial valves—Pressure testing GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system QB/T 4695-2014 Household and similar usage pre-filtering devices JB/T 9092-1999 Valve inspection and testing GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability)