GB/T 29730-2025 Distribution manifold of cold/hot water

GB/T 29730-2013 Distribution manifold of cold/hot water

GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars 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 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products GB/T 5231-2012 Designation and chemical composition of wrought copper and copper alloys GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys 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 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 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 9124.1-2019 Steel pipe flanges—Part 1:PN designated GB/T 9124.2-2019 Steel pipe flanges—Part 2:Class designated 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 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 12771-2000 Welded stainless steel pipes for liquid delivery GB/T 12771-2008 Welded stainless steel pipes for liquid delivery GB/T 12771-2019 Welded stainless steel pipes for fluid transport GB/T 13912-2002 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods GB/T 13912-2020 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods GB/T 13913-1992 Autocatalytic nickel-phosphorus coating—Specification and test methods GB/T 13913-2008 Metallic coatings—Autocatalytic(Electroless) nickel-phosphorus alloy coatings—Specification and test methods 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 14536.1-1998 Automatic electrical controls for household and similar use Part 1:General requirements GB/T 14536.1-2008 Automatic electrical controls for household and similar use—Part 1:General requirements GB/T 14536.1-2022 Automatic electrical controls—Part 1:General requirements GB/T 14832-1993 Test of compatibility between rubber material and hydraulic fluid GB/T 14832-2008 Test methods for compatibility between hydraulic fluids and standard elastomeric materials GB/T 15820-1995 Test of resistance to pull out of joints between polyethylene (PE) pressure pipes and fittings GB/T 30832-2014 Valves—Test method of flow coefficient and flow resistance coefficient JB/T 8219-2016 General and intelligent electric actuators for industrial process control systems JB/T 8219-1999 Electric actuator for industrial process measurement and control system QB/T 5788-2022 Electric thermal actuator YS/T 583-2006 Brass rods and bars for forging plumbing fittings YS/T 583-2016 Brass bars for forging plumbing fittings