GB 41317-2024 English PDFUS$519.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 41317-2024: Stainless steel corrugated tubes for the connection of gas appliances Status: Valid GB 41317: Historical versions
Basic dataStandard ID: GB 41317-2024 (GB41317-2024)Description (Translated English): Stainless steel corrugated tubes for the connection of gas appliances Sector / Industry: National Standard Classification of Chinese Standard: P45 Classification of International Standard: 91.140 Word Count Estimation: 26,239 Date of Issue: 2024-04-29 Date of Implementation: 2024-08-01 Older Standard (superseded by this standard): GB/T 41317-2022 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB 41317-2024: Stainless steel corrugated tubes for the connection of gas appliances---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.ICS 91:140 CCSP45 National Standards of People's Republic of China Replaces GB/T 41317-2022 Stainless steel corrugated hose for gas appliance connection Released on 2024-04-29 2024-08-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Classification, specifications and models 2 4:1 Classification 2 4:2 Specifications 3 4:3 Model 3 5 Materials, appearance, structure and dimensions 3 5:1 Materials 3 5:2 Appearance 4 5:3 Structure and size 4 6 Performance Requirements 5 7 Test methods 6 7:1 Test conditions 6 7:2 Test equipment 6 7:3 Corrugated hose performance test 7 7:4 Coating performance test 12 7:5 Joint performance test 13 7:6 Gasket gas resistance test 15 8 Inspection rules 15 8:1 Factory Inspection 15 8:2 Type inspection 17 9 Marking and installation instructions 17 9:1 Signs 17 9:2 Installation Instructions 17 10 Packaging, transportation and storage 18 10:1 Packaging 18 10:2 Transportation18 10:3 Storage 18ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 41317-2022 "Stainless steel corrugated hose for gas appliance connection" and is consistent with GB/T 41317-2022: In addition to structural adjustments and editorial changes, the main technical changes are as follows: --- Changed the provisions of the conveying medium in the scope (see Chapter 1, Chapter 1 of the 2022 edition); --- Added the combined connection interface form in the classification (see 4:1:4); --- Deleted the "length size" requirement for corrugated hose (see 4:2:2 of the 2022 edition); --- Added the requirement that "the thread engagement length should not be less than 4 times the pitch length" when the joint thread is sealed with a sealing gasket (see 5:3:4); --- Changed the requirements for "limit deviation of length of corrugated hose" (see 5:3:5, 5:3:4 of the 2022 edition); --- Changed the bending force requirements in "flexibility" (see Table 6, Table 6 of the 2022 edition); --- Changed the ambient temperature in "Test conditions" (see 7:1, 6:1 of the 2022 edition); --- Added the requirements for test ambient temperature in the "softness test" (see 7:3:7); --- Changed the bending number requirements in the "bending test" (see 7:3:8, Table 12 of the 2022 edition); --- Deleted the requirements for the abrasion resistance of the coating layer marking (see Table 4 of the 2022 edition); --- Changed the salt spray time requirements in the "Corrosion Resistance Test" (see 7:5:3, 6:6:3 of the 2022 edition); --- Added the requirements for "service life declared by the manufacturer" and the type of corrugated hose in the marking (see 9:1:1); --- Added the requirements for traceability QR codes in packaging and restrictions on the use scenarios of ordinary corrugated hoses (see 10:1:2): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document is proposed and coordinated by the Ministry of Housing and Urban-Rural Development of the People's Republic of China: The previous versions of this document and the documents it replaces are as follows: ---First published in 2022 as GB/T 41317-2022; ---This is the first revision: Stainless steel corrugated hose for gas appliance connection1 ScopeThis document specifies the classification, specifications and models, materials, appearance, structure and size, performance of stainless steel corrugated hoses for gas appliance connections: Requirements, test methods, inspection rules, marking and installation instructions, packaging, transportation and storage: This document is applicable to the transmission medium of town gas, the nominal size is not more than DN32, the maximum working pressure is 0:01MPa, and the gas is Stainless steel corrugated hose for connecting burning appliances or gas equipment: This document is not applicable to stainless steel corrugated hoses used for connections where the conveying medium contains dimethyl ether:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 191 Pictorial markings for packaging, storage and transportation GB/T 196 Basic dimensions of common threads GB/T 1220 Stainless Steel Bars GB/T 2828:1 Sampling procedures for inspection by attributes Part 1: Sampling plans for batch inspection based on the acceptance quality limit (AQL) GB/T 3280 Stainless steel cold-rolled steel sheets and strips GB/T 4240 Stainless steel wire GB/T 5231 Grades and chemical compositions of processed copper and copper alloys GB/T 7306:1 55° sealing pipe thread Part 1: Cylindrical internal thread and conical external thread GB/T 7306:2 55° sealing pipe thread Part 2: Conical internal thread and conical external thread GB/T 7307 55° non-sealed pipe thread GB/T 8815 Soft polyvinyl chloride plastics for wires and cables GB/T 9576 Guide for the selection, storage, use and maintenance of rubber and plastic hoses and hose assemblies GB/T 9577 Rules for marking, packaging and transportation of rubber and plastic hoses and hose assemblies GB/T 10125 Artificial atmosphere corrosion test Salt spray test GB/T 13657 Bisphenol-A epoxy resin GB/T 15065 Black polyethylene plastic for wires and cables GB/T 23658 Elastomer seals - Material requirements for seals for pipes and fittings used to transport gaseous fuels and hydrocarbon liquids3 Terms and definitionsThe following terms and definitions apply to this document: 3:1 ances A stainless steel corrugated hose with a coating and a fixed length, with connecting joints at both ends: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 41317-2024_English be delivered?Answer: Upon your order, we will start to translate GB 41317-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 41317-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB 41317-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB 41317-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 41317-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
