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GB 44023-2024: Compounded rubber hose for internal use in gas appliance connection
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 44023-2024 | English | 359 |
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Compounded rubber hose for internal use in gas appliance connection
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GB 44023-2024
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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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