GB/T 28799.1-2020 Polyethylene of raised temperature resistance（PE-RT）piping systems for hot and cold water installations—Part 1: General

Scope: This part of GB/T 28799 specifies the terms, definitions, symbols and abbreviations, grades of service conditions, and material requirements for heat-resistant polyethylene (PE-RT) piping systems for hot and cold water. This Part, together with other parts of GB/T 28799, applies to hot and cold water piping systems, including hot and cold water, drinking water and heating systems for civil and industrial buildings, hot spring piping systems and central heating secondary pipe network systems, etc. The PE-RTI type pipes in this part are not suitable for hot spring piping system and central heating secondary pipe network system. Note: The purchaser is responsible for properly selecting this product according to its specific application requirements and in combination with relevant laws, standards or normative requirements.

GB/T 1033 Test method for density and relative density of plastics
GB/T 1040 Plastics-Determination of tensile properties
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
GB/T 6111-2018 Thermoplastics piping systems for the conveyance of fluids.Determination of the resistance to internal pressure
ISO 1167-1:2006 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids - Determination of the resistance to internal pressure - Part 1: General method
ISO 1167-2:2006 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids - Determination of the resistance to internal pressure - Part 2: Preparation of pipe test pieces
ISO 11673 Unplasticized poly(vinyl chloride) (PVC-U) pressure pipes - Determination of the fracture toughness properties
ISO 1183-2 Plastics — Methods for determining the density of non-cellular plastics — Part 2: Density gradient column method

2020 GB/T 28799.1-2020 Polyethylene of raised temperature resistance（PE-RT）piping systems for hot and cold water installations—Part 1: General
2012 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 28799.1-2020Polyethylene of raised temperature resistance（PE-RT）piping systems for hot and cold water installations—Part 1: General