GB/T 15558.4-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 4:Valves

Scope

This document specifies the materials, product classification, dimensional specifications and tolerances, physical and mechanical properties, inspection rules, marking, technical documents, and packaging, transportation, and storage requirements for buried polyethylene valves for gas use (hereinafter referred to as "valves"). It also describes the corresponding test methods. Together with other parts of GB/T 15558, this document is applicable to buried polyethylene pipeline systems for gas use with an operating temperature of -20 ℃ to 40 ℃ and a maximum operating pressure (MOP) of no more than 1.0 MPa. This document is applicable to buried polyethylene valves for gas use with a nominal outer diameter (dn) of 16 mm to 400 mm, manufactured from PE 100-grade or PE 80-grade compounds.

Development Information

Word Count: 85 Thousand words Pages: 43 pages

Same series standard

GB/T 15558.1-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 1:General GB/T 15558.2-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 2:Pipes GB/T 15558.3-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 3:Fittings GB/T 15558.5-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 5:Fitness for purpose of the system

Replace the following standards

GB/T 15558.3-2008 Buried polyethylene(PE)piping systems for the supply of gaseous fuels—Part 3:Valves

Referenced Standards

GB/T 15558.1-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 1:General GB/T 15558.2-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 2:Pipes GB/T 15558.3-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 3:Fittings GB/T 15558.5-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 5:Fitness for purpose of the system ISO 12176-5 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 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 3682.1-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 1:Standard method GB/T 6111-2003 Thermoplastics pipes for the conveyance of fluids-Resistance to internal pressure—Test method GB/T 6111-2018 Thermoplastics piping systems for the conveyance of fluids—Determination of the resistance to internal pressure GB/T 8806-2008 Plastics piping systems—Plastics components—Determination of dimensions GB/T 9345.1-2008 Plastics—Determination of ash—Part 1:General methods GB/T 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis GB/T 13021-2023 Polyolefin pipes and fittings—Determination of carbon black content—Test method of alcination and pyrolysis GB/T 18251-2000 Method for the assessment of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds GB/T 18251-2019 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds GB/T 19278-2003 General terms and their definitions of thermoplastic pipes, fittings and valves GB/T 19278-2018 General terms and their definitions of thermoplastic pipes,fittings and valves GB/T 19466.6-2009 Plastics—Differential scanning calorimetry(DSC)—Part 6:Determination of oxidation induction time(isothermal OIT)and oxidation induction temperature(dynamic OIT) GB/T 20674.4-2020 Plastics pipes and fittings—Equipment for fusion jointing polyethylene systems—Part 4:Traceability coding GB/T 23658-2009 Elastomeric seals—Material requirement for seals used in pipes and fittings carrying gaseous fuels and hydricarbon fluid GB/T 40919-2021 Polyethylene materials for piping systems—Determination of Strain Hardening Modulus in relation to slow crack growth GB/T 8806-1988 Method for dimension measuring of plastic pipes

Adopt standards

ISO 4437-4:2022

Related Standards

GB/T 13663-2000 Replaced

GB/T 13663-2000 Polyethylene pipes for water supply

Publish Date: 2000-11-21

GB/T 18251-2000 Replaced

GB/T 18251-2000 Method for the assessment of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds

Publish Date: 2000-11-21

GB/T 18252-2000 Replaced

GB/T 18252-2000 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation

Publish Date: 2000-11-21

GB/T 18477-2001 Replaced

GB/T 18477-2001 Unplasticized polyvinyl chloride(PVC-U) double wall corrugated pipes for underground soil, waste and drainage

Publish Date: 2001-10-24

GB/T 18742.1-2002 Replaced

GB/T 18742.1-2002 Polypropylene piping systems for hot and cold water installations—Part 1:General

Publish Date: 2002-05-29

GB/T 18742.2-2002 Replaced

GB/T 18742.2-2002 Polypropylene piping systems for hot and cold water installations—Part 2:Pipes

Publish Date: 2002-05-29

GB/T 15558.4-2023 Buried polyethylene(PE) piping systems for the supply of gaseous fuels—Part 4:Valves