Foreword
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 document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB/T 5842-2022 Liquefied petroleum gas cylinders. In addition to structural adjustment and editorial changes, the following main technical changes have been made with respect to GB/T 5842-2022:
a) The representing method of model of gas cylinders is modified (see 5.1 hereof; 5.1 of Edition 2022);
b) Some models of gas cylinders are deleted and changed, the model parameters of allowable filling weight are added, and the serial number of modification is changed from Roman alphabet to Chinese character. The diameter dimensions of shield and base are added, and the requirements that YSP118/49. 5 and YSP118/Liquid/49. 5 gas cylinders shall not be installed indoors in the buildings, and other gas cylinders shall not be installed indoors in crowded places are added (see 5.2 hereof; 5.2 of Edition 2022);
c) The structural type of gas-liquid dual-phase gas cylinder is modified from gas-liquid dual-phase cylinder to single liquid-phase cylinder (see 5.3 hereof; 5.3 of Edition 2022);
d) The requirements for cylinder valve seat specifications and the requirements for cylinder valve seat dimensions are added (see 7.3.4 hereof; 7.3.4 of Edition 2022);
e) The preservation requirements for hydrostatic test results of gas cylinders are added (see 9.2.2.3 hereof);
f) The type test items are added and the requirements for re-conducting type tests are modified (see 9.6.1 hereof; 9.6.1 of Edition 2022);
g) The requirements for the indentation of the word "LIQUID" in the upper head of the liquid phase cylinder are added (see 10.1.2 hereof).
Liquefied petroleum steel gas cylinders
1 Scope
This document specifies the type, model and basic parameters, material, design, manufacturing, test method and inspection rules, marking, packaging, coating, storage and transportation, factory documents and other requirements of liquefied petroleum steel gas cylinders (hereinafter referred to as gas cylinders").
This document is applicable to the gas cylinders at normal ambient temperature (-40°C to 60°C), nominal working pressure of 2.1 MPa, nominal volume of not greater than 150L, and repeatedly filled with liquefied petroleum gas conforming to GB 11174.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions 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 150.3 Pressure vessels - Part 3: Design
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 1804 General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 2651 Destructive tests on welds in metallic materials - Transverse tensile test
GB/T 2653 Bend test methods on welded joints
GB/T 6653 Steel plates and strips for welded gas cylinders
GB/T 7144 Coloured cylinder mark for gases
GB 7512 Valves for liquefied petroleum gas cylinders
GB/T 8335 Special threads for gas cylinders
GB/T 9251 Methods for hydrostatic test of gas cylinders
GB/T 9252 Method for pressure cycling test of gas cylinders
GB/T 12137 Methods for leakage test of gas cylinders
GB/T 13005 Terminology of gas cylinders
GB/T 15385 Method for hydraulic burst test of gas cylinder
GB/T 17925 Standard practice for X-ray digital radioscopic examination of cylinder weld
GB/T 33209 Welding procedure qualification for welded gas cylinders
GB/T 35208 Self-closing valves for LPG cylinders
CJ/T 33 Technological process evaluation of heat treatment for LPG cylinders
NB/T 47013.2 Nondestructive testing of pressure equipment - Part 2: Radiographic testing
TSG 23 Regulation on safety technology for gas cylinder
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 13005 and the following apply.
3.1
allowable filling weight
maximum LPG weight allowed to be filled
3.2
cylinder number for traceability
unique and traceable cylinder product number
4 Symbols
The following symbols apply to this document (see Table 1).
5 Types, models and basic parameters
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Types, models and basic parameters
6 Materials
7 Design
8 Manufacturing
9 Test methods and inspection rules
10 Marking, coating, packaging, storage and transportation, factory documents
11 Design service life of the gas cylinder
Annex A (Normative) Stamp marking of gas cylinder
Annex B (Normative) Cylinder number for traceability
Annex C (Informative) Format of product certificate
Annex D (Informative) Format of quality certificate
Bibliography
