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Position: Chinese Standard in English/GB/T 23448-2019
GB/T 23448-2019   Sanitary ware—Flexible hose (English Version)
Standard No.: GB/T 23448-2019 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 9000 words Price(USD):220.0 remind me the price change

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Implemented on:2020-7-1 Delivery: via email in 1 business day
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Standard No.: GB/T 23448-2019
English Name: Sanitary ware—Flexible hose
Chinese Name: 卫生洁具 软管
Chinese Classification: Q31    Building sanitary ceramics
Professional Classification: GB    National Standard
ICS Classification: 91.140.70 91.140.70    Sanitary installations 91.140.70
Issued by: SAMR; SAC
Issued on: 2019-08-30
Implemented on: 2020-7-1
Status: valid
Superseding:GB/T 23448-2009 Flexible hose for sanitary tapware
Language: English
File Format: PDF
Word Count: 9000 words
Price(USD): 220.0
Delivery: via email in 1 business day
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 23448-2009 Sanitary ware - Flexible hose, in addition to editorial changes, the following main technical changes have been made with respect to GB/T 23448-2009. ——The definition of flexible hose for sanitary tapware is revised (see 3.1; 3.1 of Edition 2009); ——The definition of pullout hose for faucet is added (see 3.5); ——The definition of sleeve is added (see 3.9); ——The definition of flexible hose contacted with drinking water is added (see 3.10); ——The classification and code of product are revised (see Clause 4; Clause 4 of Edition 2009); ——The material requirements are revised (see Clause 5; Clause 5 of Edition 2009); ——The minimum dimensional requirements of inner diameter of flexible hose are deleted (see 6.2.2 of Edition 2009); ——The requirements of effective connecting thread of flexible hose are added (see 6.3.1); ——The flow requirements are added (see 6.6); ——The bending resistance requirements of the pullout hose for faucet are added (see 6.9); ——The requirements of cold and hot cycle resistance of flexible hose for washing and pullout hose for faucet are added (see 6.10); ——The surface corrosion resistance requirements are revised (see 6.12; 6.1.3 in 2009 edition); ——The requirements of hazardous substance extracted limit are added (see 6.13 and Annex A); ——The provisions of flow test method are added (see 7.6); ——The provisions of stretch resistance test method are revised (see 7.7; 7.6 in Edition 2009); ——The provisions of impulse resistance test method are revised (see 7.8; 7.7 in Edition 2009); ——The provisions of bending resistance test method are revised (see 7.9; 7.8 in Edition 2009); ——The provisions of surface corrosion resistance test method are revised (see 7.12; 6.1.3 in Edition 2009); ——The provisions of hazardous substance extraction test method are added (see 7.13 and Annex B). This standard was proposed by China Building Materials Federation. This standard is under the jurisdiction of National Technical Committee on Architecture and Sanitary Ceramics of Standardization Administration of China (SAC/TC 249). The previous edition of this standard is as follows: ——GB/T 23448-2009. Sanitary ware - Flexible hose 1 Scope This standard specifies the terms and definitions, classification and code, materials, technical requirements, test methods, inspection rules, marking, identification, packaging, transportation and storage of flexible hose for sanitary tapware. This standard is applicable to flexible hose for sanitary tapware with working pressure not more than 1.0MPa and water supply temperature not more than 90℃. 2 Normative references The following documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 5750.6 Standard examination methods for drinking water - Metal parameters GB/T 5750.8 Standard examination methods for drinking water - Organic parameters GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates - Rating of test specimens and manufactured articles subjected to corrosion tests GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 7759.1 Rubber, vulcanized or thermoplastic - Determination of compression set - Part 1: At ambient or elevated temperatures GB/T 7759.2 Rubber, vulcanized or thermoplastic - Determination of compression set - Part 2: At low temperatures GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests GB/T 16662 Terms of equipments and materials for building water supply and drainage 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 16662 and the following apply. 3.1 flexible hose for sanitary tapware flexible pipe used for interconnection between cold and hot water supply pipelines and water sanitary ware or between sanitary ware and sanitary ware 3.2 flexible link hose for water flexible hose used for connecting water supply pipelines with water appliances (e.g. urinal, water heater, faucet, washing machine, etc.) 3.3 flexible hose for shower flexible hose for connecting water supply pipeline or faucet with shower 3.4 flexible hose for washing flexible hose for connecting water supply pipelines and washing nozzle 3.5 pullout hose for faucet flexible hose for connecting the water outlet of kitchen water nozzle or basin water nozzle with water outlet nozzle 3.6 flexible hose for cool water applicable to flexible hose with water temperature not more than 50℃ 3.7 flexible hose for hot water applicable to flexible hose with water temperature more than 50℃. 3.8 length of flexible hose distance between the outer end surfaces of the two joints of flexible hose 3.9 sleeve device used to fix inner pipe to joint of flexible hose 3.10 flexible hose contacted with drinking water flexible hose installed in domestic drinking water delivery pipelines for connecting water supply pipelines with water supply appliances (e.g. kitchen water nozzles, basin water nozzles or drinking fountains, etc.) 4 Classification and code See Table 1 for the classification and code of products. Table 1 Classification and code of flexible hose for sanitary tapware Classification Product Code Classification by function Flexible link hose for water L Flexible hose for shower S Flexible hose for washing W Pullout hose for faucet P Classification by health standards Flexible hose contacted with drinking water D Flexible hose contacted with undrinkable water N Classification by temperature of used water Flexible hose for cool water C Flexible hose for hot water H 5 Materials 5.1 All the materials of the products in contact with drinking water directly shall not change the water quality, appearance, taste and smell, etc. of drinking water under the specified use conditions hereof. 5.2 The material of rubber sealing ring shall be tested for 24h at (-10±1)℃ and (70±1)℃ respectively according to the methods specified in GB/T 7759.1 and GB/T 7759.2, and the compression set shall not exceed 20%. 5.3 Weaving wires, joints and sleeves for flexible hose shall be made of corrosion resistant materials. 6 Technical requirements 6.1 Appearance 6.1.1 The surface of the metallic outer pipe shall be free from defects such as peeling, bubbles, scale, rust, cracks, oil stains, obvious scratches, indentations, exploding wire, broken wire and sharp folds; the surface of the non-metallic outer pipe shall be free from obvious corrugations, weld marks, scratches and scraps and damages. 6.1.2 The inner and outer surfaces of the flexible hose joint shall be free from obvious defects such as cracks and unevenness; the surface of the thread shall be free from defects such as broken thread and dents. 6.2 Dimensions The nominal dimension of the product shall be determined by the manufacturer and the permissible length deviation shall meet those specified in Table 2. Table 2 Permissible length deviation of product In mm Product length L L≤500 5002 000 Permissible upper deviation ΔL1 +10 +20 +30 +40 Permissible lower deviation ΔL2 0 0 0 0 6.3 Threaded connection 6.3.1 The thread precision of flexible hose joint shall conform to the requirements of GB/T 7307, and the precision grade of external thread shall not be lower than Grade B. The minimum length of the effective connecting thread of the flexible hose shall reach the provisions specified in Figure 1 and Table 3. For special products, the specifications stipulated in the contract are allowed.
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and code 5 Materials 6 Technical requirements 7 Test methods 8 Inspection rules 9 Marking and identification 10 Packaging, transportation and storage Annex A (Normative) Requirements for the limit of hazardous substances extracted from flexible hose Annex B (Normative) Testing method for metallic and organic compound extraction
Referred in GB/T 23448-2019:
*GB/T 2828.1-2012 Sampling procedures for inspection by attributea-Part1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
*GB/T 5750.6-2023 Standard examination methods for drinking water—Part 6:Metal and metalloid indices
*GB/T 5750.8-2023 Standard examination methods for drinking water—Part 8: Organic indices
*GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on mtallic substrates--Rating of test speciments and manufactured articles subjected to corrosion tests
*GB/T 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
*GB/T 7759.1-2015 Rubber,vulcanized or thermoplastic—Determination of compression set—Part 1:At ambient or elevated temperatures
*GB/T 7759.2-2014 Rubber,vulcanized or thermoplastic―Determination of compression set―Part 2:At low temperatures
*GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests
*GB/T 16662-2008 Terms of equipments and materials for building water supply and drainage
*GB/T 95-2002 Plain washers - Product grade C
*GB/T 2664-2009 Mens suits and coats
*GB 4706.1-2005 Household and Similar Electrical Appliances – Safety - Part 1: General Requirements
*GB 17625.1-2022 Electromagnetic compatibility—Limits—Part 1: Limits for harmonic current emissions (equipment input current ≤ 16A per phase)
*GB/T 14048.5-2017 Low-voltage switchgear and controlgear-Part 5-1:Control circuit devices and switching element-Electromechanical control circuit devices
*GB 17625.1-2022 Electromagnetic compatibility—Limits—Part 1: Limits for harmonic current emissions (equipment input current ≤ 16A per phase)
*QB/T 1333-2018 Handbag and Knapsack
*GB 2762-2022 National Food Safety Standard - Maximum Levels of Contaminants in Foods
*GB/T 22849-2014 Knitted T-shirt
*GB 5749-2022 Standards for drinking water quality
*GB 14748-2006 Safety Requirements for Wheeled Child Conveyances
*GB/T 1591-2018 High strength low alloy structural steels
*GB 4943.1-2011 Information technology equipment -Safety - Part 1: General requirements
*GB 2763-2021 National Food Safety Standard-Maximum Residue Limits for Pesticides in Food
GB/T 23448-2019 is referred in:
*QB/T 5003-2016 Touch-sensitive faucet
*GB 26730-2011 Sanitary ware - Gravity water flushing devices and supports
*JC/T 2115-2012 Non-contact sensing-actuating valves for water supply appliance
*QB/T 5418-2019 Thermostatic Shower System
*GB 6952-2015 Sanitary wares
*GB/T 35603-2017 Green product assessment—Sanitary wares
*QB/T 2806-2017 Thermotatie faucets
*GB/T 34549-2017 Sanitary ware - Smart toilet
*GB/T 35603-2024 Green product assessment—Sanitary wares
*GB/T 34549-2024 Sanitary ware—Smart toilet
Code of China
Standard
GB/T 23448-2019  Sanitary ware—Flexible hose (English Version)
Standard No.GB/T 23448-2019
Statusvalid
LanguageEnglish
File FormatPDF
Word Count9000 words
Price(USD)220.0
Implemented on2020-7-1
Deliveryvia email in 1 business day
Detail of GB/T 23448-2019
Standard No.
GB/T 23448-2019
English Name
Sanitary ware—Flexible hose
Chinese Name
卫生洁具 软管
Chinese Classification
Q31
Professional Classification
GB
ICS Classification
Issued by
SAMR; SAC
Issued on
2019-08-30
Implemented on
2020-7-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
GB/T 23448-2009 Flexible hose for sanitary tapware
Language
English
File Format
PDF
Word Count
9000 words
Price(USD)
220.0
Keywords
GB/T 23448-2019, GB 23448-2019, GBT 23448-2019, GB/T23448-2019, GB/T 23448, GB/T23448, GB23448-2019, GB 23448, GB23448, GBT23448-2019, GBT 23448, GBT23448
Introduction of GB/T 23448-2019
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 23448-2009 Sanitary ware - Flexible hose, in addition to editorial changes, the following main technical changes have been made with respect to GB/T 23448-2009. ——The definition of flexible hose for sanitary tapware is revised (see 3.1; 3.1 of Edition 2009); ——The definition of pullout hose for faucet is added (see 3.5); ——The definition of sleeve is added (see 3.9); ——The definition of flexible hose contacted with drinking water is added (see 3.10); ——The classification and code of product are revised (see Clause 4; Clause 4 of Edition 2009); ——The material requirements are revised (see Clause 5; Clause 5 of Edition 2009); ——The minimum dimensional requirements of inner diameter of flexible hose are deleted (see 6.2.2 of Edition 2009); ——The requirements of effective connecting thread of flexible hose are added (see 6.3.1); ——The flow requirements are added (see 6.6); ——The bending resistance requirements of the pullout hose for faucet are added (see 6.9); ——The requirements of cold and hot cycle resistance of flexible hose for washing and pullout hose for faucet are added (see 6.10); ——The surface corrosion resistance requirements are revised (see 6.12; 6.1.3 in 2009 edition); ——The requirements of hazardous substance extracted limit are added (see 6.13 and Annex A); ——The provisions of flow test method are added (see 7.6); ——The provisions of stretch resistance test method are revised (see 7.7; 7.6 in Edition 2009); ——The provisions of impulse resistance test method are revised (see 7.8; 7.7 in Edition 2009); ——The provisions of bending resistance test method are revised (see 7.9; 7.8 in Edition 2009); ——The provisions of surface corrosion resistance test method are revised (see 7.12; 6.1.3 in Edition 2009); ——The provisions of hazardous substance extraction test method are added (see 7.13 and Annex B). This standard was proposed by China Building Materials Federation. This standard is under the jurisdiction of National Technical Committee on Architecture and Sanitary Ceramics of Standardization Administration of China (SAC/TC 249). The previous edition of this standard is as follows: ——GB/T 23448-2009. Sanitary ware - Flexible hose 1 Scope This standard specifies the terms and definitions, classification and code, materials, technical requirements, test methods, inspection rules, marking, identification, packaging, transportation and storage of flexible hose for sanitary tapware. This standard is applicable to flexible hose for sanitary tapware with working pressure not more than 1.0MPa and water supply temperature not more than 90℃. 2 Normative references The following documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 5750.6 Standard examination methods for drinking water - Metal parameters GB/T 5750.8 Standard examination methods for drinking water - Organic parameters GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates - Rating of test specimens and manufactured articles subjected to corrosion tests GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 7759.1 Rubber, vulcanized or thermoplastic - Determination of compression set - Part 1: At ambient or elevated temperatures GB/T 7759.2 Rubber, vulcanized or thermoplastic - Determination of compression set - Part 2: At low temperatures GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests GB/T 16662 Terms of equipments and materials for building water supply and drainage 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 16662 and the following apply. 3.1 flexible hose for sanitary tapware flexible pipe used for interconnection between cold and hot water supply pipelines and water sanitary ware or between sanitary ware and sanitary ware 3.2 flexible link hose for water flexible hose used for connecting water supply pipelines with water appliances (e.g. urinal, water heater, faucet, washing machine, etc.) 3.3 flexible hose for shower flexible hose for connecting water supply pipeline or faucet with shower 3.4 flexible hose for washing flexible hose for connecting water supply pipelines and washing nozzle 3.5 pullout hose for faucet flexible hose for connecting the water outlet of kitchen water nozzle or basin water nozzle with water outlet nozzle 3.6 flexible hose for cool water applicable to flexible hose with water temperature not more than 50℃ 3.7 flexible hose for hot water applicable to flexible hose with water temperature more than 50℃. 3.8 length of flexible hose distance between the outer end surfaces of the two joints of flexible hose 3.9 sleeve device used to fix inner pipe to joint of flexible hose 3.10 flexible hose contacted with drinking water flexible hose installed in domestic drinking water delivery pipelines for connecting water supply pipelines with water supply appliances (e.g. kitchen water nozzles, basin water nozzles or drinking fountains, etc.) 4 Classification and code See Table 1 for the classification and code of products. Table 1 Classification and code of flexible hose for sanitary tapware Classification Product Code Classification by function Flexible link hose for water L Flexible hose for shower S Flexible hose for washing W Pullout hose for faucet P Classification by health standards Flexible hose contacted with drinking water D Flexible hose contacted with undrinkable water N Classification by temperature of used water Flexible hose for cool water C Flexible hose for hot water H 5 Materials 5.1 All the materials of the products in contact with drinking water directly shall not change the water quality, appearance, taste and smell, etc. of drinking water under the specified use conditions hereof. 5.2 The material of rubber sealing ring shall be tested for 24h at (-10±1)℃ and (70±1)℃ respectively according to the methods specified in GB/T 7759.1 and GB/T 7759.2, and the compression set shall not exceed 20%. 5.3 Weaving wires, joints and sleeves for flexible hose shall be made of corrosion resistant materials. 6 Technical requirements 6.1 Appearance 6.1.1 The surface of the metallic outer pipe shall be free from defects such as peeling, bubbles, scale, rust, cracks, oil stains, obvious scratches, indentations, exploding wire, broken wire and sharp folds; the surface of the non-metallic outer pipe shall be free from obvious corrugations, weld marks, scratches and scraps and damages. 6.1.2 The inner and outer surfaces of the flexible hose joint shall be free from obvious defects such as cracks and unevenness; the surface of the thread shall be free from defects such as broken thread and dents. 6.2 Dimensions The nominal dimension of the product shall be determined by the manufacturer and the permissible length deviation shall meet those specified in Table 2. Table 2 Permissible length deviation of product In mm Product length L L≤500 5002 000 Permissible upper deviation ΔL1 +10 +20 +30 +40 Permissible lower deviation ΔL2 0 0 0 0 6.3 Threaded connection 6.3.1 The thread precision of flexible hose joint shall conform to the requirements of GB/T 7307, and the precision grade of external thread shall not be lower than Grade B. The minimum length of the effective connecting thread of the flexible hose shall reach the provisions specified in Figure 1 and Table 3. For special products, the specifications stipulated in the contract are allowed.
Contents of GB/T 23448-2019
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and code 5 Materials 6 Technical requirements 7 Test methods 8 Inspection rules 9 Marking and identification 10 Packaging, transportation and storage Annex A (Normative) Requirements for the limit of hazardous substances extracted from flexible hose Annex B (Normative) Testing method for metallic and organic compound extraction
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Keywords:
GB/T 23448-2019, GB 23448-2019, GBT 23448-2019, GB/T23448-2019, GB/T 23448, GB/T23448, GB23448-2019, GB 23448, GB23448, GBT23448-2019, GBT 23448, GBT23448