T/SDZBZZ 003-2024 Water-based multi-component fusion plastic (PAE) pipe and fittings

Scope

Scope: This document specifies the terms and definitions, symbols, abbreviations, materials, requirements, system applicability, test methods, inspection rules, marking, transportation, and storage requirements for multi-fused plastic (PAE) pipes (hereinafter referred to as "pipes") and fittings for water supply. This document is applicable to the manufacture and inspection of pipes and fittings for outdoor buried and pipeline corridor applications with a water temperature not exceeding 45°C. Main technical content: The main body of this standard includes ten chapters, and the appendices include Appendix A, Appendix B, Appendix C, and Appendix D. Chapter 1 is the scope of this standard; Chapter 2 is normative reference documents; Chapter 3 is terms and definitions; Chapter 4 is materials, introducing the material requirements for pipes and fittings; Chapter 5 is requirements, introducing the appearance, color, specifications and dimensions, light transmittance, bending, average outer diameter deviation and non-roundness of pipes and fittings, allowable deviations in wall thickness, average wall thickness, socket, socket, physical and mechanical properties, and hygiene requirements; Chapter 6 is system applicability, and the requirements for connection sealing test, deflection angle sealing test, and negative pressure sealing test; Chapter 7 is test methods, introducing the test methods required for pipes and fittings; Chapter 8 is inspection rules, introducing the inspection classification, batching, and judgment rules for pipes and fittings; Chapter 9 is marking, transportation, and storage, introducing the marking setting and transportation and storage requirements for pipes and fittings. Appendix A is the temperature reduction coefficient for pressure, listing the corresponding relationship table; Appendix B is the maximum allowable value of pipe design stress, giving the maximum allowable value of pipe design stress when transporting 20°C water; Appendix C is

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