This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage and order form (or contract) content for insulated copper pipes used for connecting air conditioners. This standard is mainly applicable to insulated copper pipes used to connect the outdoor and indoor units of air conditioners.
YS/T 670-2008 Referenced Document
GB/T 17791 "Seamless copper and copper alloys tube for air conditioner and refrigeration equipment"*, 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)*, 2013-02-15 Update
GB/T 2918 Standard environment for conditioning and testing of plastic specimens*, 2019-11-01 Update
GB/T 8888 Wrough heavy non-ferrous metal products-packing,marking, transportation, storing and cetificate of quality*, 2014-12-05 Update
YS/T 670-2008 history
2021YS/T 670-2021 Insulated copper pipe for air conditioner connection
2008YS/T 670-2008 Insulation copper tube for connecting in air condition