1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 147A Nonrellable (Disposable) Type Fuel Gas Cylinder AssembliesUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERI
2、AL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Nonrellable (Disposable) Type Fuel Gas Cylinder Assemblies, UL 147A Third Edition, Dated March 17, 2005 Summary of Topics This revision to ANSI/UL 147A is being issued to reect the reaffi
3、rmation of ANSI approval. No changes in requirements are involved. Text that has been changed in any manner or impacted by ULs electronic publishing system is marked with a vertical line in the margin. The revisions are substantially in accordance with Proposal(s) on this subject dated August 2, 201
4、3. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, eit
5、her expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages
6、 arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users
7、of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an elect
8、ronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, gures, and/or other elements of the Standard having future effective dates as indicated in the note following the affected item. The prior text for re
9、quirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. SEPTEMBER 25, 2013 UL 147A tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTE
10、MBER 25, 2013 UL 147A tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MARCH 17, 2005 (Title Page Reprinted: September 25, 2013) 1 UL 147A Standard for Nonrellable (Disposable) Type Fuel Gas Cylinder Assemblies First E
11、dition October, 1992 Second Edition September, 1996 Third Edition March 17, 2005 This ANSI/UL Standard for Safety consists of the Third Edition including revisions through September 25, 2013. The most recent designation of ANSI/UL 147A as a Reaffirmed American National Standard (ANS) occurred on Sep
12、tember 25, 2013. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs
13、 On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall rema
14、in the sole and exclusive property of UL. COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC. ANSI/UL 147A-2009 (R2013)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 30, 2009 UL 147A 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHO
15、RIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .4 2 General 5 2.1 Components .5 2.2 Units of measurement .5 2.3 Undated references .5 3 Glossary .5 4 Pressure and Temperature Ratings .6 5 Size and Filling Limitations .6 CONSTRUCTION 6 General
16、6 7 Assembly 7 8 Materials .7 PERFORMANCE 9 General 8 10 Leakage Test 9 11 Connection Valve Endurance Test .9 12 Hydrostatic Pressure Strength Test .10 13 Start-to-Discharge and Resealing-Pressure, Tests of Pressure Relief Valves .10 14 Fire Test .11 15 Accelerated Aging Test 12 16 Fuel Gas Compatib
17、ility Test 12 16.1 General .12 16.2 Volume change 12 16.3 Weight loss 13 17 Low Temperature Test 13 18 10-Day Moist Ammonia-Air Stress Cracking Test .13 MANUFACTURING AND PRODUCTION TESTS 19 General 14 MARKING 20 General 14 JANUARY 30, 2009 UL 147A 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER
18、 REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover nonrellable cylinder assemblies for use with propane, Methylacetylene-Propadiene, Stabilized (MPS-Gas), and propylene. 1.2 Nonrellable cylinder assemblies covered by these requirements are used
19、 with equipment for such purposes as, and not limited to, camping, cooking, heating, lighting, soldering, or brazing, and as covered in the following standards: a) Liqueed Petroleum Gas Code, NFPA 58-2004. b) Standard for Hand-Held Torches for Fuel Gases, UL 147. c) Portable Catalytic Camp Heaters f
20、or Use with Propane Gas, ANSI Z21.62-1977(1992). d) Portable Type Gas Camp Heaters, ANSI Z21.63-2000. e) Portable Type Gas Camp Stoves, ANSI Z21.72-2000. f) Portable Type Gas Camp Lights, ANSI Z21.73-2000. g) Portable Refrigerators for Use with HD-5 Propane Gas, ANSI Z21.74-1992 (1998). 1.2 revised
21、March 17, 2005 1.3 Methylacetylene-Propadiene, Stabilized (MPS-Gas) used in nonrellable cylinder assemblies shall be as dened in the Standard for the Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, NFPA 51-2002. 1.3 revised March 17, 2005 1.4 These requ
22、irements do not cover aerosol type containers covered by the requirements in the Standard for Nonrellable (Disposable) Type Metal Container Assemblies for Butane, UL 147B. 1.4 revised March 17, 2005 MARCH 17, 2005 UL 147A 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTI
23、ON WITHOUT PERMISSION FROM UL 2 General 2.1 Components 2.1.1 Except as indicated in 2.1.2, a component of a product covered by this standard shall comply with the requirements for that component. 2.1.2 A component is not required to comply with a specic requirement that: a) Involves a feature or cha
24、racteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.1.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.1.4 Specic components are incom
25、plete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. 2.2 Units of measurement 2.2.1 Values stated
26、without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 2.3 Undated references 2.3.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or s
27、tandard. 3 Glossary 3.1 For the purpose of this standard the following denitions apply. 3.2 CTC REGULATIONS The Canadian Transport Commission Regulations for the Transportation of Dangerous Commodities by Rail. 3.3 CYLINDER A portable container that complies with the specication for cylinders constr
28、ucted under Subpart C of Part 178 of the DOT Regulations and similar cylinder specications of the CTC Regulations. 3.4 DOT REGULATIONS The U.S. Department of Transportation (DOT) Regulations for the Transportation of Hazardous Materials, under Code of Federal Regulations (CFR), Title 49, Parts 100 1
29、99. 3.4 revised March 17, 2005 MARCH 17, 2005 UL 147A 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 3.5 PRESSURE-RELIEF DEVICE A pressure or temperature, or both, activated device used to prevent the pressure from rising a predetermined m
30、aximum, and thereby prevent rupture of a normally charged cylinder when subjected to a standard re test as required by 49CFR 173.34(f) of the TC and CTC regulations. The term pressure relief device is synonymous with safety relief device as used by DOT, TC or CTC regulations. 3.5 revised March 17, 2
31、005 3.6 TC REGULATIONS The regulations of Transport Canada as published in Transportation of Dangerous Goods Regulations. 4 Pressure and Temperature Ratings 4.1 The marked service pressure rating of the nonrellable cylinder assembly shall not exceed 80 percent of the marked test pressure. 4.2 The ma
32、rked test pressure is the maximum pressure of contents at 130F (54C), but not less than 180 psig (1240 kPa). 4.3 Nonrellable cylinder assemblies covered by these requirements are intended for use and storage at ambient temperatures within the range of minus 4 to plus 130F (minus 20 to plus 54.4C). 5
33、 Size and Filling Limitations 5.1 The maximum size of the nonrellable cylinder assembly shall not exceed 75 cubic inches (1.23 L), 2.71 pounds (1.23 kg) water capacity. 5.2 The maximum fuel gas content in a nonrellable cylinder assembly shall be that quantity which equals the maximum permitted lling
34、 density in accordance with the Code of Federal Regulations (CFR), Title 49, Chapter 1, Part 173.304. 5.3 Propane contained in nonrellable cylinder assemblies shall be odorized in accordance with the Liqueed Petroleum Gas Code, NFPA 58-2004. 5.3 revised March 17, 2005 CONSTRUCTION 6 General 6.1 A no
35、nrellable cylinder assembly shall incorporate a pressure vessel constructed in accordance with Specication 39 of the DOT regulations, Code of Federal Regulations, Title 49, Chapter I, Part 178.65 and be so marked. 6.2 A nonrellable cylinder assembly shall incorporate pressure relief device(s) in acc
36、ordance with U.S. DOT regulations, Code of Federal Regulations, Title 49, Chapter I, Part 173.301(f) and this standard. 6.2 revised March 17, 2005 MARCH 17, 2005 UL 147A 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 6.3 A nonrellable cyli
37、nder shall be designed for vapor withdrawal in its position of normal use. The cylinder shall not have provisions for liquid withdrawal. 6.4 A nonrellable cylinder assembly shall be made of corrosion-resistant material or be provided with a corrosion-resistant exterior coating equivalent to that aff
38、orded by paint. 7 Assembly 7.1 A nonrellable cylinder assembly shall include all of the components required for its intended function and installation, and shall be furnished as a single unit or assembly. 7.2 The cylinder assembly shall be provided with an integral shutoff valve that closes automati
39、cally when the cylinder assembly is disconnected from the gas-consuming equipment. 7.2 revised March 17, 2005 7.3 The valve stem shall be recessed, or otherwise protected so that the valve is not subjected to direct impact when the container is dropped onto a at surface. 7.3 added March 17, 2005 7.4
40、 The cylinder assembly shall incorporate a Type CGA No. 600 connection in accordance with the Compressed Gas Association Standard for Compressed Gas Cylinder Valve Outlet and Inlet Connections, CGA V-1-2003. 7.4 revised March 17, 2005 7.5 A nonrellable metal container assembly shall incorporate pres
41、sure relief device(s) or system(s) that will operate to reduce the risk of rupture or propulsion of container parts from pressure buildup from a re condition. See the Fire Test, Section 14. 7.5 added March 17, 2005 8 Materials 8.1 Operating and pressure-containing parts of shutoff and relief valve a
42、ssemblies shall have the strength and durability to provide reliable service of the assembly. 8.2 To comply with the requirement of 8.1, a material for gas-conning parts shall have a melting point (solidus temperature) of at least 950F (510C) and a tensile strength of at least 10,000 psi (68.9 MPa)
43、at 204C (400F). Exception: A valve disc, soft seat, seal ring, diaphragm, or gasket is not required to comply with this requirement. 8.3 Materials shall be resistant to the action of the fuel gas to which they are exposed to during servicing. 8.4 With reference to the requirement in 8.3, elastomeric
44、 and polymeric materials shall be subjected to the Accelerated Aging Test, Section 15, the Fuel Gas Compatibility Test, Section 16, and the Low Temperature Test, Section 17. Exception: Chlorotriuoroethylene polymers, tetrauoroethylene, uorinated ethylene propylene polymers, and polyamides with a com
45、position of polyhexamethylene adipamide or polycapromide polymers (nylon 6 or 6/6) are not prohibited from being used without additional testing. MARCH 17, 2005 UL 147A 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 8.5 If atmospheric corr
46、osion of a ferrous part impairs the intended operation, the part shall be provided with a corrosion-resistant protective coating. 8.5 revised March 17, 2005 8.6 A protective coating shall resist corrosion to the degree not less than that provided by the protective coatings specied in 8.7. 8.7 Cadmiu
47、m plating shall have a thickness of not less than 0.0003 inch (0.008 mm), and zinc plating shall have a thickness of not less than 0.0005 inch (0.013 mm). Exception: When threads constitute the major portion of the area of a part, the thickness of the cadmium or zinc plating shall not be less than 0
48、.00015 inch (0.0038 mm). 8.8 A fuel-conning part of an inlet or relief valve that is made of drawn brass or machined from a brass rod made of copper alloy containing more than 15 percent zinc and incorporating internal threads shall withstand without cracking, the 10-Day Moist Ammonia-Air Stress Cra
49、cking Test, Section 20. 8.9 Parts made of metals having widely varying coefficients of thermal expansion and exposed to heat shall not be used in combination when threaded together with the intent to reduce the risk of external leakage of fuel. 8.10 Copper or brass materials containing more than 67 percent copper shall not be used for parts in contact with MPS-Gas. 8.11 A brazing material used for joining parts of a cylinder assembly shall have a melting point (solid
