GB 44023-2024 English PDF

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GB 44023-2024: Compounded rubber hose for internal use in gas appliance connection
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 44023-2024	359	Add to Cart	4 days	Compounded rubber hose for internal use in gas appliance connection	Valid

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Basic data

Standard ID: GB 44023-2024 (GB44023-2024)
Description (Translated English): Compounded rubber hose for internal use in gas appliance connection
Sector / Industry: National Standard
Classification of Chinese Standard: P45
Classification of International Standard: 91.140
Word Count Estimation: 18,128
Date of Issue: 2024-04-29
Date of Implementation: 2024-08-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB 44023-2024: Compounded rubber hose for internal use in gas appliance connection

---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 Rubber composite hose for connecting gas appliances Released on 2024-04-29 2024-08-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface 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 2 4:3 Model 2 5 Appearance, structure and dimensions 2 5:1 Appearance 2 5:2 Structure and size 2 6 Performance requirements 2 7 Test methods 3 7:1 Test conditions 3 7:2 Test equipment 3 7:3 Sample preparation 4 7:4 Performance test 4 8 Inspection Rules 7 8:1 Factory Inspection 7 8:2 Type inspection 9 9 Markings and operating instructions 9 9:1 Signs 9 9:2 User Manual 9 10 Packaging, transportation and storage 9 10:1 Packaging 9 10:2 Transportation 10 10:3 Storage Reference 11

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 for standardization documents" Drafting: 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: Rubber composite hose for connecting gas appliances

1 Scope

This document specifies the classification, specifications and models, appearance, structure and dimensions, performance requirements of rubber composite hoses used in gas appliances: Requirements, test methods, inspection rules, marking and instructions for use, packaging, transportation and storage: This document is applicable to the transmission medium of urban gas, the nominal size is not greater than DN15, the maximum working pressure is 0:01MPa, and the ambient temperature is The inner rubber hose of the metal sheathed hose used to connect gas appliances with a temperature of -10℃~70℃: This document is not applicable to rubber composite hoses used for connections where the conveying medium contains dimethyl ether: The rubber composite hose for gas appliance connection specified in this document is not used directly to connect gas appliances:

2 Normative references

The 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 528 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber GB/T 531:1 Test method for indentation hardness of vulcanized rubber or thermoplastic rubber Part 1: Shore hardness tester method (Shore hardness) GB/T 1690 Test method for liquid resistance of vulcanized rubber or thermoplastic rubber 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 3512 Hot air accelerated aging and heat resistance tests for vulcanized rubber or thermoplastic rubber GB/T 5563 Hydrostatic test methods for rubber and plastic hoses and hose assemblies GB/T 5565:1 Rubber and plastic hoses and non-reinforced hoses - Measurement of flexibility and stiffness - Part 1: Room temperature bending test GB/T 5565:2 Rubber and plastic hoses and non-reinforced hoses - Measurement of flexibility and stiffness - Part 2: Bend test below room temperature 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 10589 Technical requirements for low temperature test chambers GB/T 11158 Technical requirements for high temperature test chambers GB/T 20028 Application of Arrhenius diagram to estimate service life and maximum operating temperature of vulcanized rubber or thermoplastic rubber GB/T 24134 Evaluation of ozone resistance of rubber and plastic hoses under static conditions

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 The inner rubber hose of the metal-coated hose used to connect gas appliances made of rubber blend or rubber and plastic blend: Note: referred to as “inner hose”: ......

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