GB/T 18998.3-2022 (English Version) PDF

Scope: This document specifies the terms and definitions, symbols, abbreviations Abbreviations, materials, product classification, requirements, system suitability, test methods, inspection rules and signs, packaging, transportation and storage. This document, together with other parts of GB/T 18998, is applicable to industrial chlorinated polyvinyl chloride piping systems, including pressurized water supply and drainage and water treatment, petroleum, chemical industry, electric power, electronics, metallurgy, mining, shipbuilding, electroplating, papermaking, Fluid conveying piping systems in food, medicine and other fields. Note 1: The purchaser is responsible for properly selecting this product according to the application needs of conveying flammable media and combining the requirements of relevant laws, standards or specifications for fire protection and explosion protection. Note 2: The purchaser is responsible for properly selecting this product according to the application needs of transporting drinking water, food, and medicine, combined with the requirements of relevant laws, standards or specifications such as hygienic performance. Note 3: The purchaser is responsible for properly selecting the products of this edition according to the application needs of the conveying chemical medium, see the chemical resistance grades in Appendix B of GB/T18998.1-2022. Allow out

GB/T 18998.3-2022 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 18998.1-2022 Chlorinated poly（vinyl chloride）（PVC-C）piping systems for industrial applications—Part 1:General
GB/T 18998.2-2022 Chlorinated poly（vinyl chloride）（PVC-C）piping systems for industrial applications—Part 2:Pipes
GB/T 18998.5-2022 Chlorinated poly（vinyl chloride）（PVC-C）piping systems for industrial applications—Part 5：Fitness for purpose of the system
GB/T 19278-2018 General terms and their definitions of thermoplastic pipes, fittings and valves
GB/T 21300 Plastics pipes and fittings-Determination of opacity
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 2918 Standard environment for conditioning and testing of plastic specimens
GB/T 6111-2018 Thermoplastics piping systems for the conveyance of fluids.Determination of the resistance to internal pressure
GB/T 7139 Determination of Chlorine Content in Plastic Vinyl Chloride Homopolymers and Copolymers*， 2023-08-06 Update
GB/T 8802 Thermoplastics pipes and fitting-Determination of vicat softening temperature
GB/T 8803 Injection-moulded unplasticized poly(vinyl chloride)(PVC-U),chlorinated poly(vinyl chloride)(PVC-C),acrylonitrile butadiene-styrene(ABS)and acrylonitrile-styrene-acrylester(ASA)fittings Hot oven test method

2022 GB/T 18998.3-2022 Chlorinated poly（vinyl chloride）（PVC-C）piping systems for industrial applications—Part 3:Fittings
2003 GB/T 18998.3-2003 Chlorinated poly(vinyl chloride)(PVC-C) Piping systems for industrial applications Part 3: Fittings