Standard No.:	GB 11638-2011
English Name:	Dissolved acetylene cylinders
Chinese Name:	溶解乙炔气瓶
Chinese Classification:	J74    Pressure vessel
Professional Classification:	GB    National Standard
ICS Classification:	23.020.30 23.020.30    Gas pressure vessels, gas cylinders 23.020.30
Issued by:	AQSIQ;SAC
Issued on:	2011-7-20
Implemented on:	2012-6-1
Status:	superseded
Superseded by:	GB/T 11638-2020 Acetylene cylinders
Superseded on:	2021-7-1
Superseding:	GB 16164-1996 Small volume dissolved acetylene cylinders
Language:	English
File Format:	PDF
Word Count:	10000 words
Price(USD):	250.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the specification series, technical requirements, test method, inspection rules, marking, coating, packaging, transportation and storage of dissolved acetylene cylinders (hereinafter referred to as "acetylene cylinder"). This standard is applicable to the portable and inflatable dissolved acetylene cylinders with maximum permissible settled pressure of 1.56MPa at 15℃ reference temperature, maximum permissible temperature of 40℃, nominal capacity of 2~60L and containing porous mass and solvent. Note: all pressures in this standard are gauge pressure. 2 Normative References The following documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition (including any amendments) applies to this document. GB 5099 Steel Seamless Gas Cylinder GB 5100 Welded Steel Gas Cylinders GB/T 6026 Acetone for Industrial Use GB 6819 Dissolved Acetylene GB 7144 Colored Cylinder Mark for Gases GB 7820 Spherical Silica Gel with Narrow Pore GB 8335 Special Threads for Gas Cylinders GB 8337 Fusible Plug for Gas Cylinders GB 10879 Dissolved Acetylene Gas Cylinder Valve GB/T 12137 Method for Leakage Test of Gas Cylinders GB/T 13005 Terminology of Gas Cylinders GB 13591 Rules for the Filling of Dissolved Acetylene Cylinders JJG 14 Verification Regulation of Non-self-indicating Weighing Instrument 3 Terms and Definitions

Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols 5 Specification Series 6 Technical Requirements 7 Test Method 8 Inspection Rules 9 Marking, Coating, Packaging, Transportation and Storage 10 Product Certificate and Batch Inspection Certificate 11 Filling of Acetylene Cylinder Appendix A (Normative) Test Method for Safety Performance of Acetylene Cylinder Appendix B (Normative) Test Method for Service Performance of Acetylene Cylinder Appendix C (Normative) Determination Method for Technical Index of Porous Mass Appendix D (Normative) Determination for Porosity of Porous Mass during Type Inspection