This standard specifies the terms and definitions, materials, structure and connections, requirements, test methods, inspection rules, marking, transportation and storage of ultra-high molecular weight polyethylene diaphragm composite pipes. This standard is applicable to buried water supply and pressurized drainage pipes with working pressures less than or equal to 1.6MPa. It is also applicable to pipes transporting normal temperature media such as seawater and slurry.
CJ/T 427-2013 Referenced Document
GB/T 10006 Plastics—Film and sheeting—Determination of the coefficients of friction*, 2021-03-09 Update
GB/T 1033.2 Plastics.Methods for determining the density of non-cellular plastics.Part 2:Density gradient column method
GB/T 1036 Test method for coefficient of linear thermal expansion of plastics between -30℃ and 30℃ with a vitreous silica dilatometer
GB/T 1040.1 Plastics—Determination of tensile properties—Part 1:General principles*, 2018-12-28 Update
GB/T 1043.1 Plastics.Determination of charpy impact properties.Part 1:Non-instrumented impact test
GB/T 15560 Standard test method for short-time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids
GB/T 1633 Plastics--Thermoplastic materials--Determination of vicat softening temperature(VST)
GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
GB/T 1842 Environmental stress cracking test method for plastic polyethylene
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 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 2918 Standard environment for conditioning and testing of plastic specimens*, 2019-11-01 Update
GB/T 3682 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics
GB/T 4217 Thermoplastics pipes for the conveyance of fluids.Nominal outside diameters and nominal pressures
GB/T 5470 Plastics.Determination of the brittleness temperature by impact
GB/T 6111 Thermoplastics piping systems for the conveyance of fluids.Determination of the resistance to internal pressure*, 2018-03-15 Update
GB/T 7122 Adhesives--Determination of peel resistance of high-strength adhesive bonds--Floating roller method
GB/T 7124 Adhesives.Determination of tensile lap-shear strength of rigid-to-rigid bonded assemblies
GB/T 8806 Plastics piping systems.Plastics components.Determination of dimensions