QB/T 2533-2013 (English Version) PDF

Scope: This standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation and storage of pipe fittings and connecting pipes for room air conditioners. This standard applies to piping components used on room air conditioners specified in GB/T 7725 (including multi-pass pipes, process pipes, semi-circular pipes, U-shaped pipes, large semi-circular pipes and welded pipe components such as condensation (hereinafter referred to as "pipe fittings") and the indoor and outdoor unit connecting pipes used in split air conditioners (hereinafter referred to as "connecting pipes").

QB/T 2533-2013 Referenced Document

GB/T 13452.2 Paints and varnishes.Determination of film thickness
GB/T 17791 "Seamless copper and copper alloys tube for air conditioner and refrigeration equipment"*， 2017-07-12 Update
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*， 2021-12-31 Update
GB/T 242 Metal materials.Tube.Drift-expending test
GB/T 246 Metallic materials—Tube—Flattening test*， 2017-07-12 Update
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 2951.12 Common test methods for insulating and sheathing materials of electric and optical cables.Part 12:Methods for general application.Thermal ageing methods
GB/T 2952.1-2008 Protective coverings for electric cables.Part 1:General
GB/T 4436 Wrought aluminum and aluminum alloy tubes.Dimensions and deviations
GB/T 6739 Paints and varnishes—Determination of film hardness by pencil test*， 2022-12-30 Update
GB/T 7725 Room air conditioner*， 2022-10-14 Update
GB/T 9286-1998 Paints and varnishes--Cross cut test for films

2013 QB/T 2533-2013 Piping fittings and connection tubes for room air conditioners
2001 QB/T 2533-2001 Pipework components of air-conditioners