This standard specifies the classification and marking, technical requirements, inspection methods, inspection rules and signs, packaging, transportation and storage of solar water heating engineering headers. This standard applies to headers used in vacuum tube collectors in solar water heating projects.
NB/T 32024-2014 Referenced Document
GB 5749 Hygienic Standards for Drinking Water*， 2022-03-15 Update
GB/T 12936 Solar energy Thermal application Terminology
GB/T 13384 General specifications for packing of mechanical and electrical product
GB/T 14976 Seamless stainless steel pipes for fluid transport
GB/T 17581 Evacuated tube solar collectors*， 2021-12-31 Update
GB/T 18033 Seamless copper tubes for water and gas*， 2017-07-12 Update
GB/T 21558 Rigid polyurethane cellular plastics used in the thermal insulation of building
GB/T 24798 Rubber seals for solar water heating system
GB/T 3098.6 Mechanical properties of fasteners—Stainless steel bolts，screws and studs*， 2023-05-23 Update