Detail of GB/T 28799.2-2012

Introduction of GB/T 28799.2-2012

1 Scope This Part of GB/T 28799 specifies the material, product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of polyethylene pipe of raised temperature resistance (PE-RT) (hereinafter referred to as pipe). This Part is applicable to PE-RT Type I and PE-RT Type II pipe. This Part is used in conjunction with GB/T 28799.1 and GB/T 28799.3. It is applicable to the architectural piping systems for hot and cold water, covering hot and cold water, drinking water and heating system for civil and industrial building use. This Part is not applicable to fire extinguishing system. 2 Normative Reference The following documents for the application of this document are essential. For dated reference, only the edition cited applies. For undated references, the latest edition (including any amendments) applies to this document. GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributea - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection GB/T 2918 Plastics-Standard Atmospheres for Conditioning and Testing (ISO 291) GB/T 3682-2000 Determination of the Melt Mass-Flow Rate (MFR) and the Melt Volume-Flow Rate (MVR) of Thermoplastics (ISO 1133:1997) GB/T 6111 Thermoplastics Pipes for the Conveyance of Fluids - Resistance to Internal Pressure - Test Method (ISO 1167) GB/T 6671-2001 Thermoplastics Pipes - Determination of Longitudinal Reversion (ISO 2505:1994) GB/T 8806 Plastics Piping Systems - Plastics Components - Determination of Dimensions GB/T 15820 Test of Resistance to Pull out of Joints between Polyethylene (PE) Pressure Pipes and Fittings (ISO:3501) GB/T 17219 Standard for Safety Evaluation of Equipment and Protective Materials in Drinking Water System GB/T 19473.2-2004 Polybutylene (PB) Piping Systems for Hot and Cold Water Installations - Part 2: Pipes GB/T 19993 Thermoplastics Piping Systems for Hot and Cold Water Supply - Test Method for the Resistance of Pipes and Fittings Mounted Assemblies to Thermal Cycling GB/T 21300 Plastics Pipes and Fittings - Determination of Opacity (ISO 7686) GB/T 28799.1-2012 Plastics Piping Systems for Hot and Cold Water Installations - Polyethylene of Raised Temperature Resistance (PE-RT) - Part 1: General GB/T 28799.3-2012 Plastics Piping Systems for Hot and Cold Water Installations - Polyethylene of Raised Temperature Resistance (PE-RT) - Part 3: Fittings ISO 17455 Determination of the Oxygen Permeability of the Thermoplastics Pipes 3 Material PE-RT material used for producing pipe shall be the compound in accordance with those specified in GB/T 28799.1-2012. 4 Product Category

Contents of GB/T 28799.2-2012

Foreword I 1 Scope 2 Normative Reference 3 Material 4 Product Category 5 Requirements 6 Test Methods 7 Inspection Rules 8 Marking, Packaging, Transportation and Storage Appendix A (Normative Reference) Calculation of Permissible Working Pressure of Pipe Bibliography