1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 109 Tube Fittings for Flammable and Combustible Fluids, Refrigeration Service, and Marine UseUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSIO
2、N FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Tube Fittings for Flammable and Combustible Fluids, Refrigeration Service, and Marine Use, UL 109 Sixth Edition, Dated June 19, 1997 Summary of Topics This r
3、evision is being issued to reaffirm approval of UL 109 as an American National Standard. 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
4、accordance with Proposal(s) on this subject dated June 14, 2013. 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
5、provides this Standard as is without warranty of any kind, either 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 l
6、oss of prots, lost savings, loss of data, or any other damages 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
7、for this Standard, regardless of the form of the claim. Users 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 err
8、or or deviation introduced while purchaser is storing an electronic 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
9、in the note following the affected item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. AUGUST 29, 2013 UL 109 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REP
10、RODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL AUGUST 29, 2013 UL 109 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JUNE 19, 1997 (Title Page Reprinted: August 29, 2013) 1 UL 109 Standard for Tube Fittings for
11、 Flammable and Combustible Fluids, Refrigeration Service, and Marine Use First Edition September, 1940 Second Edition December, 1966 Third Edition May, 1972 Fourth Edition May, 1978 Fifth Edition April, 1993 Sixth Edition June 19, 1997 This ANSI/UL Standard for Safety consists of the Sixth Edition i
12、ncluding revisions through August 29, 2013. The most recent designation of ANSI/UL 109 as a Reaffirmed American National Standard (ANS) occurred on August 29, 2013. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. The Departm
13、ent of Defense (DoD) has adopted UL 109 on August 14, 1991. The publication of revised pages or a new edition of this Standard will not invalidate the DoD adoption. 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
14、 Proposal Request in ULs 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 th
15、ose Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC. ANSI/UL 109-2009 (R2013)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 29, 2009 UL 109 2 No Text on This PageUL COPYRIGHTED
16、MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .5 2 General 6 2.1 Components .6 2.2 Units of measurement .6 3 Instructions .6A DESIGN AND CONSTRUCTION 4 General 7 5 Materials .7 PERFORMANCE 6 General 8 7 Pull Test .8 8 Vibrat
17、ion Test 9 9 Vibration, Tension, and Torque Test, Marine-Use Fittings .12 10 Mercurous-Nitrate Immersion Test 13 11 10-Day Moist Ammonia Air Stress Cracking Test .13 12 Marine-Use Make and Break Test 14 MANUFACTURING AND PRODUCTION TESTS 13 General 14 MARKING 14 Content 14 MAY 29, 2009 UL 109 3UL CO
18、PYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL This page intentionally left blank. JANUARY 11, 2005 UL 109 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These
19、 requirements cover ttings to be used in tubing carrying: a) Fuel gases such as acetylene, liqueed petroleum gas (LP-gas), manufactured and natural fuel gases, and other liqueed and non-liqueed ammable gases that are stable because of their composition or because of the conditions of storage, b) Ref
20、rigerants, c) Gasoline or gasohol formulated in accordance with Standard Specication for Automotive Spark-Ignition Engine Fuel, ANSI/ASTM D 4814, d) Diesel fuel formulated in accordance with Standard Specication for Diesel Fuel Oils, ANSI/ ASTM D 975, e) Heating fuel oils formulated in accordance wi
21、th Standard Specication for Fuel Oils, ANSI/ ASTM D 396, and f) Kerosene formulated in accordance with Specication for Kerosine, ANSI/ASTM D 3699. 1.1 revised May 29, 2009 1.2 The requirements for Marine Use cover ttings to be used with tubing carrying gasoline or gasohol formulated in accordance wi
22、th Standard Specication for Automotive Spark-Ignition Engine Fuel, ANSI/ASTM D 4814, or diesel fuel formulated in accordance with Standard Specication for Diesel Fuel Oils, ANSI/ASTM D 975. 1.2 revised May 29, 2009 1.3 This standard does not cover tube ttings for liquid or gaseous Biofuels or Ethano
23、l fuels other than gasohol noted in 1.1 (c) and 1.2. 1.3 revised May 29, 2009 1.4 Requirements for the selection, installation, and use of the ttings covered by this Standard are included in the Standards of the National Fire Protection Association pertaining to storage and use of ammable and combus
24、tible uids, such as: NFPA 30, Flammable and Combustible Liquids Code NFPA 31, Installation of Oil-Burning Equipment NFPA 32, Dry Cleaning Plants NFPA 51, Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes NFPA 54, National Fuel Gas Code NFPA 58, Storage and
25、 Handling of Liqueed Petroleum Gases MAY 29, 2009 UL 109 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 1.5 Requirements for the selection, installation, and use of ttings for Marine Use as covered by this Standard are included in the Stan
26、dard for Pleasure and Commercial Motor Craft, NFPA 302, and the appropriate publications of the American Boat and Yacht Council. 1.6 Deleted January 11, 2005 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 requireme
27、nts for that component. 2.1.2 A component is not required to comply with a specic requirement that: a) Involves a feature or characteristic 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. 2.1.2 revised J
28、uly 19, 2000 2.1.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.1.3 revised July 19, 2000 2.1.4 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only
29、under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. 2.1.4 revised July 19, 2000 2.2 Units of measurement 2.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approx
30、imate information. 2.2.1 revised July 19, 2000 MAY 29, 2009 UL 109 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 3 Instructions 3.1 The manufacturer shall provide a copy of the instructions or equivalent information intended to accompany
31、Marine-Use ttings, which cover the proper method of preparing the tubing, assembling and making up the tting, as well as specications as required concerning the proper tools to be used. These instructions are to be used in the examination and test of the ttings and, for this purpose, are not require
32、d to be in nal printed form. MAY 29, 2009 UL 109 6AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 29, 2009 UL 109 6B No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION
33、FROM UL DESIGN AND CONSTRUCTION 4 General 4.1 Tube ttings shall be of the are, inverted are, threaded-and-ball-sleeve compression, and other types for use with copper, brass, aluminum, and steel tubing. 4.2 Tube ttings shall be designed and constructed to be equivalent in mechanical strength, provis
34、ions for assembly and disassembly, and resistance to corrosion to tube ttings conforming to the Standard for Automotive Tube Fittings, SAE J512; Cast Copper Alloy Fittings for Flared Copper Tubes, ANSI/ASME B16.26; or the Standard for Refrigeration Tube Fittings General Specications, SAE J513. 4.3 T
35、he design of the tting shall be such as to minimize the risk of incorrect assembly, such as reversal of components. 5 Materials 5.1 The various parts of a tube tting shall be formed using materials having the strength and resistance to corrosion associated with the intended use or as designated in t
36、he appropriate Standard. Such materials include brass, bronze, stainless steel, or plated carbon steel in the form of bar stock or cast, forged, or extruded. 5.2 A Marine-Use tting and component part shall have less than 38 percent zinc content or include inhibitors to attain equivalent resistance t
37、o dezincication. Metals shall be machined, forged, or extruded and shall be designed for use in salt atmosphere and shall not be affected signicantly by submersion in salt bilge water. 5.2 revised July 19, 2000 5.3 Fittings for gas and refrigeration service shall be machined, forged, or extruded. 5.
38、4 With reference to 5.2 and 5.3, the tting shall be capable of withstanding, without cracking, the 10-Day Moist Ammonia Air Stress Cracking Test, Section 11, for copper and copper alloys. 5.4 revised June 19, 1997 5.5 Carbon steel shall have a protective coating equivalent to that afforded by a cadm
39、ium or zinc plating 0.0002 inch (0.005 mm) in thickness plus a chromate treatment or phosphate coating. 5.6 Carbon steel and stainless steel Marine-Use ttings for use with seamless steel tubing in diesel engine fuel systems shall be resistant to corrosion in salt atmosphere. Stainless steel ttings s
40、hall have corrosion resistance equivalent to that of stainless steel No. 304. 5.7 The composition of metal alloys used for the fabrication of Marine-Use ttings shall be of known characteristics for normal corrosion resistance, dezincication resistance, and galvanic compatibility with other parts of
41、the fuel system. The material shall be tested, when required, by a salt water atmosphere exposure test. The test is to be conducted for 500 hours. 5.7 revised July 19, 2000 JANUARY 11, 2005 UL 109 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FRO
42、M UL 5.8 Fittings shall be fabricated of a material having a melting point (solidus temperature) not less than 950F (510C). 5.8 revised January 11, 2005 5.9 Brazing material if used, shall have a melting point (solidus temperature) in excess of 1000F (537C). Exception: Marine use ttings if soldered,
43、 shall be soldered or brazed with a material having a melting point exceeding 840F (450C), in accordance with the Standard for Pleasure and Commercial Motor Craft, NFPA 302. 5.9 revised January 11, 2005 PERFORMANCE 6 General 6.1 Representative samples of each tting and related adaptor design shall b
44、e subjected to the tests described in this Standard. 6.2 Samples for the Pull Test, Section 7, and the vibration tests, Sections 8 and 9, are to be of the straight connector type, with one end threaded for pipe connection. Samples for the pull test are to be for female pipe connection in all cases.
45、7 Pull Test 7.1 Tubing and piping shall not pull out of a tube tting, nor shall the tube tting rupture, when the maximum loads designated in Table 7.1 are applied axially to the tting and its connections. The requirements of this test are not applicable to Marine-Use ttings. 7.1 revised January 11,
46、2005 7.2 Two samples of each size tting are to be used for this test. Table 7.1 Pull strength test Tubing size outside diameter, Tubing wall thickness, Pull load, pounds-force (kN) Flammable liquid and refrigeration ttings Gas ttings, all types inch (mm) inch (mm) Compression type Flare type 1/8 3.2
47、 0.030 0.76 250 1.11 250 1.11 250 1.11 3/16 4.8 0.030 0.76 350 1.55 400 1.78 400 1.78 1/4 6.4 0.030 0.76 450 2.00 500 2.22 500 2.22 5/16 7.9 0.032 0.81 450 2.00 650 2.89 650 2.89 3/8 9.5 0.032 0.81 450 2.00 800 3.56 800 3.56 7/16 11.1 0.032 0.81 500 2.22 900 4.00 900 4.00 1/2 12.7 0.032 0.81 500 2.2
48、2 1000 4.45 1150 5.11 9/16 14.3 0.035 0.89 700 3.10 1250 5.56 1350 6.01 5/8 15.9 0.035 0.89 900 4.00 1450 6.45 1600 7.12 3/4 19.1 0.035 0.89 1300 5.77 1900 8.45 2000 8.9 7/8 22.2 0.045 1.14 2400 10.7 2500 11.1 1 25.4 0.045 1.14 2600 11.6 2900 12.9 1-1/8 28.6 0.050 1.27 2850 12.7 3300 14.7 1-1/4 31.8
49、 0.050 1.27 3050 13.6 3500 15.6 JANUARY 11, 2005 UL 109 8 Table 7.1 Continued on Next PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Table 7.1 Continued Tubing size outside diameter, Tubing wall thickness, Pull load, pounds-force (kN) Flammable liquid and refrigeration ttings Gas ttings, all types inch (mm) inch (mm) Compression type Flare type 1-3/8 34.9 0.055 1.40 3250 14.6 3700 16.5 1-1/
