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GB/T 18998.2-2022: Chlorinated poly(vinyl chloride) (PVC-C) piping systems for industrial applications - Part 2: Pipes
Status: Valid GB/T 18998.2: Evolution and historical versions
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| GB/T 18998.2-2022 | English | 269 |
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Chlorinated poly(vinyl chloride) (PVC-C) piping systems for industrial applications - Part 2: Pipes
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GB/T 18998.2-2022
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| GB/T 18998.2-2003 | English | 399 |
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Chlorinated poly (vinyl chloride) (PVC-C) Piping systems for industrial applications -- Part 2: Pipes
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GB/T 18998.2-2003
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Basic data | Standard ID | GB/T 18998.2-2022 (GB/T18998.2-2022) | | Description (Translated English) | Chlorinated poly(vinyl chloride) (PVC-C) piping systems for industrial applications - Part 2: Pipes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G33 | | Word Count Estimation | 13,168 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 18998.2-2022: Chlorinated poly(vinyl chloride) (PVC-C) piping systems for industrial applications - Part 2: Pipes
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Chlorinated poly (vinyl chloride) (PVC-C) piping systems for industrial applications -- Part 2.Pipes
ICS 83.140.30
CCSG33
National Standards of People's Republic of China
Replacing GB/T 18998.2-2003
Industrial Chlorinated Polyvinyl Chloride (PVC-C) Piping Systems
Part 2.Tubing
2022-04-15 Released 2022-11-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
This document is part 2 of GB/T 18998 "Industrial Chlorinated Polyvinyl Chloride (PVC-C) Piping System". GB/T 18998 has
The following sections were published.
--- Part 1.General;
--- Part 2.Pipes;
--- Part 3.Pipe fittings;
--- Part 5.System suitability.
This document replaces GB/T 18998.2-2003 "Industrial Chlorinated Polyvinyl Chloride (PVC-C) Piping Systems Part 2.Pipes", and
Compared with GB/T 18998.2-2003, in addition to structural adjustment and editorial changes, the main technical changes are as follows.
a) changed the scope (see Chapter 1, Chapter 1 of the.2003 edition);
b) Changed terms and definitions, symbols, abbreviations (see Chapter 3, Chapter 3 of the.2003 edition);
c) Added requirements for recycled materials (see 4.2);
d) Added requirements for adhesives (see 4.3);
e) The classification of pipes by pipe series S is deleted (see 5.1 of the.2003 edition);
f) Changed the requirements for appearance (see 5.2, 6.2 of the.2003 edition);
g) Delete the wall thickness in brackets with * specification in Table 1 (see Table 1 of the.2003 edition);
h) The requirements for curvature are added (see 5.3.6);
i) Changed the requirements for opacity (see 5.5, 6.3 of the.2003 edition);
j) requirements for tensile strength are added (see 5.5);
k) changed the requirements for chlorine content (see 5.5);
l) The specific content of the system suitability test is deleted (see 6.7 of the.2003 edition);
m) added inspection classification (see 8.1);
n) Added pipe size grouping (see 8.2);
o) Changed the acceptance quality level 6.5 inspection to acceptance quality limit (AQL) 4.0 (see 8.4.2, 8.3.2 of the.2003 edition);
p) Changed the requirements for type inspection (see 8.5, 8.4 of the.2003 edition);
q) The decision rule has been changed (see 8.6, 8.6 of the.2003 edition).
This document refers to ISO 15493.2003 "Industrial Plastics Piping Systems Acrylonitrile-Butadiene-Styrene Plastics (ABS), Rigid Polyvinyl Chloride
Ethylene (PVC-U) and Chlorinated Polyvinyl Chloride (PVC-C) Components and Systems - Metric Series" and ISO 15493.2003/Amd.2016
Drafted, the degree of consistency is non-equivalent.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China National Light Industry Federation.
This document is under the jurisdiction of the National Standardization Technical Committee of Plastic Products (SAC/TC48).
This document is drafted by. Guangdong Liansu Technology Industrial Co., Ltd., Zhongshan Huanyu Industrial Co., Ltd., Yonggao Co., Ltd., Youlikong
Stock Group Co., Ltd., Fujian Yatong New Material Technology Co., Ltd., Rifeng Enterprise Group Co., Ltd., Xinjiang Tianye (Group) Co., Ltd.
Company, Zhejiang Zhongcai Pipeline Technology Co., Ltd., Hubei Jinniu Pipe Industry Co., Ltd.
The main drafters of this document. Li Tongyi, Zeng Zhenguo, Huang Jian, Hu Xuzhang, Peng Fudi, Wang Lei, Song Xiaoling, Wang Baiti, Dong Popo, Wang Tingting.
The previous versions of this document and its superseded documents are as follows.
---First published in.2003 as GB/T 18998.2-2003;
---This is the first revision.
Introduction
GB/T 18998 according to the national conditions of my country's industrial pipeline industry, combined with many years of industrial chlorinated polyvinyl chloride (PVC-C) pipeline engineering
Design experience developed. This document contains four parts. general rules, pipes, fittings, and system applicability.
--- Part 1.General. The purpose is to establish terms and definitions applicable to industrial chlorinated polyvinyl chloride (PVC-C) piping systems,
Symbols, Abbreviations and Materials.
--- Part 2.Tubing. The purpose is to standardize the product requirements, test methods and inspection of industrial chlorinated polyvinyl chloride (PVC-C) pipes.
Inspection rules and other related requirements.
--- Part 3.Fittings. The purpose is to standardize the product requirements, test methods and inspection of industrial chlorinated polyvinyl chloride (PVC-C) pipe fittings.
Inspection rules and other related requirements.
--- Part 5.System suitability. The purpose is to standardize the system suitability of industrial chlorinated polyvinyl chloride (PVC-C) piping systems
Test items, test methods and other related requirements.
Industrial Chlorinated Polyvinyl Chloride (PVC-C) Piping Systems
Part 2.Tubing
1 Scope
This document specifies chlorinated polyvinyl chloride (PVC-C) resin as the main raw material, extruded industrial chlorinated polyvinyl chloride
(PVC-C) pipe (hereinafter referred to as pipe) terms and definitions, symbols, abbreviations, materials, requirements, system suitability, test methods, inspection regulations
rules and marking, packaging, transportation and storage.
This document, together with other parts of GB/T 18998, applies to industrial chlorinated polyvinyl chloride piping systems, including pressurized water supply and drainage
It is widely used in water treatment, petroleum, chemical industry, electric power, electronics, metallurgy, mining, shipbuilding, electroplating, papermaking, food, medicine and other fields of fluid transportation pipelines.
system.
Note 1.It is the responsibility of the purchaser to select this product appropriately according to the application needs of transporting flammable media and in combination with the relevant regulations, standards or specifications for fire and explosion protection.
Note 2.It is the responsibility of the purchaser to select the appropriate selection according to the application needs of transporting drinking water, food, and medicine, and in combination with the requirements of relevant laws, standards or specifications such as hygienic performance.
This product.
Note 3.The purchaser is responsible for the chemical resistance grades in Appendix B of GB/T 18998.1-2022 according to the application needs of transporting chemical media.
product.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 1033.1 Determination of Density of Plastic Non-foamed Plastics Part 1.Impregnation, Pycnometer and Titration
GB/T 2828.1 Counting Sampling Inspection Procedure 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 Determination of internal pressure resistance of thermoplastic piping systems for fluid transportation
GB/T 6671 Determination of longitudinal shrinkage of thermoplastic pipes
GB/T 7139 Determination of chlorine content in plastic vinyl chloride homopolymers and copolymers
GB/T 8802 Determination of Vicat softening temperature of thermoplastic pipes and fittings
GB/T 8804.2 Determination of Tensile Properties of Thermoplastic Pipes Part 2.Rigid Polyvinyl Chloride (PVC-U), Chlorinated Polyvinyl Chloride
(PVC-C) and high impact polyvinyl chloride (PVC-HI) pipes
GB/T 8806 Measurement of the dimensions of plastic parts of plastic piping systems
GB/T 14152 Test method for external impact resistance of thermoplastic pipes
GB/T 18998.1-2022 Industrial chlorinated polyvinyl chloride (PVC-C) piping systems - Part 1.General
GB/T 18998.3-2022 Industrial Chlorinated Polyvinyl Chloride (PVC-C) Piping Systems Part 3.Pipe Fittings
GB/T 18998.5-2022 Industrial chlorinated polyvinyl chloride (PVC-C) piping systems - Part 5.System suitability
GB/T 19278-2018 General terms and definitions for thermoplastic pipes, fittings and valves
GB/T 21300 Determination of Opacity of Plastic Pipes and Fittings
QB/T 2803 Method for measuring the curvature of rigid plastic pipes
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