CJ/T 480-2015 Prefabricated directly buried composite insulating pipes with polyurethane (PUR) foamed-plastics and high density polyethylene(PE) casing pipes (English Version)
This standard specifies the terms and definitions, abbreviations, structure, classification and marking, materials, requirements, test methods, inspection rules, marking, transportation and storage of high-density polyethylene outer sheathed polyurethane foam prefabricated direct-buried insulation composite plastic pipes. . This standard applies to foamed prefabricated direct-buried insulation composite plastic pipes for high-density polyethylene outer protective pipes used in heating, heating and domestic hot water delivery systems.
CJ/T 480-2015 Referenced Document
GB/T 1033.1 Plastics.Methods for determining density of non-celluar plastics.Part1:Immersion method,liquid pyknometer method and titration method
GB/T 10799 Rigid cellular plastics.Determination of the volume percentage of open cells and of closed cells
GB/T 14152 Thermoplastics pipes-Determination of resistance to external blows-Round-the-clock method
GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
GB/T 17391 Test method for thermal stability of polyethylene pipes and fittings
GB/T 18042 Thermoplastics pipes-Determination of creep ratio
GB/T 18742.1 Polypropylene (PP) piping systems for hot and cold water installations—Part 1: General*， 2017-10-14 Update
GB/T 18742.2 Polypropylene (PP) piping systems for hot and cold water installations—Part 2: Pipes*， 2017-10-14 Update
GB/T 18743 Thermoplastics pipes for the transport of fluids--Determination of impact by the charpy method
GB/T 18991-2003 Thermoplastics pipes and fittings for hot and cold water systems
GB/T 18993.1 Chlorinated poly (vinyl chloride) (PVC-C) piping systems for hot and cold water installations—Part 1：General*， 2020-11-19 Update
GB/T 18993.2 Chlorinated poly (vinyl chloride) (PVC-C) piping systems for hot and cold water installations—Part 2：Pipes*， 2020-11-19 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 3682 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics
GB/T 6111 Thermoplastics piping systems for the conveyance of fluids.Determination of the resistance to internal pressure*， 2018-03-15 Update
GB/T 6343 Cellular plastics and rubbers.Determination of apparent density
GB/T 6671 Thermoplastics pipes-Determination of longitudinal reversion
GB/T 8802 Thermoplastics pipes and fitting-Determination of vicat softening temperature
GB/T 8804.3 Thermoplastic pipes--Determination of tensile properties--Part 3: Polyolefin pipes
GB/T 8806 Plastics piping systems.Plastics components.Determination of dimensions
GB/T 8813 Rigid cellular plastics—Determination of compression properties*， 2020-07-21 Update
GB/T 9647 Determination of Ring Stiffness of Thermoplastic Pipes*， 2016-07-01 Update
CJ/T 480-2015 history
2015CJ/T 480-2015 Prefabricated directly buried composite insulating pipes with polyurethane (PUR) foamed-plastics and high density polyethylene(PE) casing pipes