1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 194ISBN 0-7629-1130-1Gasketed Joints for Ductile-Iron Pipe and Fittings for FireProtection ServiceUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISS
2、ION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUnderwriters Laboratories Inc. (UL)333 Pfingsten RoadNorthbrook, IL 60062-2096UL Standard for Safety for Gasketed Joints for Ductile-Iron Pipe and Fittings for Fire Protection Service,
3、UL 194Sixth Edition, Dated November 30, 2005Summary of TopicsThis new edition of UL 194 is a periodic re-issuance to ensure that ULs Standards remain up todate with regard to format and editorial issues such as numbering, pagination, and cross-referencing. This new edition also includes Nonmetallic
4、Materials Test revisions and othermiscellaneous revisions.The new requirements are substantially in accordance with ULs Proposal(s) on this subject datedSeptember 19, 2005.The UL Foreword is no longer located within the UL Standard. For information concerning the use andapplication of the requiremen
5、ts contained in this Standard, the current version of the UL Foreword islocated on ULStandardsInfoNet at: http:/ master for this Standard at ULs Northbrook Office is the official document insofar as it relates to aUL service and the compliance of a product with respect to the requirements for that p
6、roduct and service,or if there are questions regarding the accuracy of this Standard.ULs Standards for Safety are copyrighted by UL. Neither a printed copy of a Standard, nor the distributiondiskette for a Standard-on-Diskette and the file for the Standard on the distribution diskette should bealter
7、ed in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding thoseStandards shall remain the sole and exclusive property of UL.All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, ortransmitted in any form by any means, electro
8、nic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.Revisions of UL Standards for Safety are issued from time to time. A UL Standard for Safety is currentonly if it incorporates the most recently adopted revisions.UL provides this Standard as is without warranty of an
9、y kind, either expressed or implied, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.In no event will UL be liable for any special, incidental, consequential, indirect or similar damages,including loss of profits, lost savings, loss of data, or any o
10、ther damages arising out of the use of or theinability to use this Standard, even if UL or an authorized UL representative has been advised of thepossibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid forthis Standard, regardless of the form of the clai
11、m.UL will attempt to answer support requests concerning electronic versions of its Standards. However, thissupport service is offered on a reasonable efforts basis only, and UL may not be able to resolve everysupport request. UL supports the electronic versions of its Standards only if they are used
12、 under theconditions and operating systems for which it is intended. ULs support policies may change fromtime-to-time without notification.NOVEMBER 30, 2005 UL 194 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL reserves the right to cha
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15、ndard may be stored onthe hard disk of a single personal computer, or on a single LAN file-server or the permanent storagedevice of a multiple-user computer in such a manner that this Standard may only be accessed by one userat a time and for which there is no possibility of multiple concurrent acce
16、ss.If a multiple-user version electronic Standard was purchased, one copy of the Standard may be stored ona single LAN file-server, or on the permanent storage device of a multiple-user computer, or on an Intranetserver. The number of concurrent users shall not exceed the number of users authorized.
17、Electronic Standards are intended for on-line use, such as for viewing the requirements of a Standard,conducting a word search, and the like. Only one copy of the Standard may be printed from eachsingle-user version of an electronic Standard. Only one copy of the Standard may be printed for eachauth
18、orized user of a multiple-user version of an electronic Standard. Because of differences in thecomputer/software/printer setup used by UL and those of electronic Standards purchasers, the printedcopy obtained by a purchaser may not look exactly like the on-line screen view or the printed Standard.An
19、 employee of an organization purchasing a UL Standard can make a copy of the page or pages beingviewed for their own fair and/or practical internal use.The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, figures,and/or other elements of the Standard ha
20、ving future effective dates as indicated in the note following theaffected item. The prior text for requirements that have been revised and that have a future effective dateare located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice.New product submittals made prior to a spe
21、cified future effective date will be judged under all of therequirements in this Standard including those requirements with a specified future effective date, unlessthe applicant specifically requests that the product be judged under the current requirements. However, ifthe applicant elects this opt
22、ion, it should be noted that compliance with all the requirements in thisStandard will be required as a condition of continued Listing, Recognition, and Follow-Up Services afterthe effective date, and understanding of this should be signified in writing.Copyright 2005 Underwriters Laboratories Inc.T
23、his Standard consists of pages dated as shown in the following checklist:Page Date1-12 .November 30, 2005A1-A2November 30, 2005NOVEMBER 30, 2005 UL 194tr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNOVEMBER 30, 20051UL 194Standard for Gask
24、eted Joints for Ductile-Iron Pipe and Fittings for FireProtection ServiceFirst Edition September, 1967Second Edition May, 1973Third Edition April, 1980Fourth Edition April, 1989Fifth Edition January, 1996Sixth EditionNovember 30, 2005An effective date included as a note immediately following certain
25、 requirementsis one established by Underwriters Laboratories Inc.Revisions of this Standard will be made by issuing revised or additional pagesbearing their date of issue. A UL Standard is current only if it incorporates themost recently adopted revisions, all of which are itemized on the transmitta
26、l noticethat accompanies the latest set of revised requirements.ISBN 0-7629-1130-1COPYRIGHT 1980, 2005 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNOVEMBER 30, 2005UL 1942No Text on This PageUL COPYRIGHTED MAT
27、ERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .52 Components 53 Units of Measurement .54 Undated References 65 Glossary .6CONSTRUCTION6 Materials .6PERFORMANCE7 General 68 Metallic Materials Test .79 Elastomeric Gasket Materials Te
28、st 710 Pipe Damage Test .811 Leakage Test 811.1 Joints with self-restraining feature .811.2 Joints without self-restraining type joint .912 Assembly Test For Push-On Joints .10MARKING13 General 10INSTRUCTIONS14 Installation Instructions 11APPENDIX AStandards for ComponentsA1NOVEMBER 30, 2005 UL 194
29、3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNOVEMBER 30, 2005UL 1944No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cov
30、er gasketed joints for ductile-iron pipe and fittings for use in underground fireservice systems.1.2 The gasketed joints covered by these requirements are intended for installation and use inaccordance with the Standard for Installation of Private Fire Service Mains and Their Appurtenances,NFPA 24.2
31、 Components2.1 Except as indicated in 2.2, a component of a product covered by this standard shall comply with therequirements for that component. See Appendix A for a list of standards covering components generallyused in the products covered by this Standard.2.2 A component is not required to comp
32、ly with a specific requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this standard, orb) Is superseded by a requirement in this standard.2.3 A component shall be used in accordance with its rating established for the in
33、tended conditions ofuse.2.4 Specific components are incomplete in construction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as certain temperatures notexceeding specified limits, and shall be used only under those specifi
34、c conditions.3 Units of Measurement3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.NOVEMBER 30, 2005 UL 194 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4 Undated R
35、eferences4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall beinterpreted as referring to the latest edition of that code or standard.5 Glossary5.1 GASKETED JOINTS WITH SELF-RESTRAINING FEATURE Joints that use a device to preventseparation under pres
36、sure. These devices include, and are not limited to, mechanical joint retainerglands, flange adapters, special gaskets with locking segments, and retainer weldments.5.2 GASKETED JOINTS WITHOUT SELF-RESTRAINING FEATURE Joints consisting of a pipe orfitting bell and a spigot end with a gasket and with
37、out a feature for joint restraint.5.3 THICKNESS CLASS OF PIPE An identification for standardized thickness of pipe in accordancewith the Standard for Ductile-Iron Pipe, Centrifugally Cast, for Water or Other Liquids, AWWA C151/A21.51.CONSTRUCTION6 Materials6.1 The acceptability of materials shall be
38、 judged by their known characteristics, by the conditions of useto which the parts are subjected, and by tests intended to evaluate their capabilities.6.2 Castings shall be smooth, free from scale, lumps, cracks, blisters, sand holes, and defects of anynature that are capable of making them unfit fo
39、r the use for which they are intended. A casting shall notbe plugged or filled; however, impregnation to remove porosity is permitted.PERFORMANCE7 General7.1 Representative sample joints shall be subjected to the tests described in these requirements. Testbars of metal used in castings, steel bolts,
40、 and samples of parts constructed of nonmetallic materials, suchas rubber gaskets, shall be subjected to the tests specified.NOVEMBER 30, 2005UL 1946UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL8 Metallic Materials Test8.1 Specimen bars of
41、metals used shall be prepared from the same heat or run of metal used in the fittingsamples submitted for investigation and test. The specimen bars shall conform to the minimum physicalproperty requirements of the latest edition of the applicable ASTM or nationally recognized specification.Samples o
42、f bolts shall be tested without special machining.9 Elastomeric Gasket Materials Test9.1 An elastomeric gasket used to provide a seal shall have the following properties when tested asspecified in the Standard for Gaskets and Seals, UL 157:a) Gaskets for mechanical joint types:1) A minimum tensile s
43、trength of 1500 psi (10.3 MPa) and minimum ultimate elongationof 150 percent.2) Those properties relating to maximum tensile set; minimum tensile strength andelongation after oven aging; hardness after oven aging: and compression set, all asspecified in UL 157. The maximum service temperature used t
44、o determine the oventime and temperature for oven aging is 60C (140F).b) Gaskets for push-on joint types.1) For single material and sealing (soft) portion of dual material gaskets:i) A minimum tensile strength of 2000 psi (10.3 MPa) and minimum ultimateelongation of 300 percent.ii) Those properties
45、relating to maximum tensile set; minimum tensile strengthand elongation after oven aging; hardness after oven aging: and compressionset, all as specified in UL 157. The maximum service temperature used todetermine the oven time and temperature for oven aging is 60C (140F).2) For retaining (hard) por
46、tion of dual material gaskets:i) A minimum tensile strength of 1200 psi (8.3 MPa) and minimum ultimateelongation of 125 percent.ii) Those properties relating to minimum tensile strength and elongation afteroven aging as specified in UL 157. The maximum service temperature used todetermine the oven t
47、ime and temperature for oven aging is 60C (140F).9.2 The Standard for Gaskets and Seals, UL 157, provides for the testing of either finished elastomericparts or sheet or slab material. Sheet or slab material is to be tested when the elastomeric parts areO-rings having diameters of less than 1 inch (
48、25.4 mm). The material tested is to be the same as that usedin the product, regardless of whether finished elastomeric parts or sheet or slab material is tested.NOVEMBER 30, 2005 UL 194 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL10 Pipe
49、Damage Test10.1 Joints having a self-restraining feature and incorporating setscrews or other restraining componentsthat are capable of adversely affecting the integrity of ductile-iron pipe shall not result in pipe puncture,pipe cracking or chipping, spalling, or removal of the pipe lining when tested in accordance with 10.2 and10.3.10.2 For this test, the portion of the pipe samples contacted by the setscrews or other restrainingcomponents shall:a) Represent the minimum thickness class specif
