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1、UL 1486 ISBN 0-7629-0947-1 Quick Opening Devices for Dry Pipe Valves for Fire Protection Service Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=North Carolina State University/5618801100 Not for Resale, 10/18/2006 02:12:53 MDTNo reproduction or networking perm
2、itted without license from IHS -,-,- Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=North Carolina State University/5618801100 Not for Resale, 10/18/2006 02:12:53 MDTNo reproduction or networking permitted without license from IHS -,-,- Underwriters Laboratori
3、es Inc. (UL) 333 Pfi ngsten Road Northbrook, IL 60062-2096 UL Standard for Safety for Quick Opening Devices for Dry Pipe Valves for Fire Protection Service, UL 1486 Third Edition, Dated January 8, 2004 Summary of Topics This new edition of ANSI/UL 1486 is a periodic re-issuance to ensure that ULs St
4、andards remain up-to-date with regard to format and editorial issues such as renumbering, repagination, correction of editorial errors, correction of cross-references, and updated titles of referenced Standards. No changes in requirements have been made. The new requirements are substantially in acc
5、ordance with ULs Bulletin(s) on this subject dated July 31, 2003. The bulletin(s) is now obsolete and may be discarded. As indicated on the title page (page 1), this UL Standard for Safety is an American National Standard. Attention is directed to the note on the title page of this Standard outlinin
6、g the procedures to be followed to retain the approved text of this ANSI/UL Standard. The master for this Standard at ULs Northbrook Office is the official document insofar as it relates to a UL service and the compliance of a product with respect to the requirements for that product and service, or
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9、l photocopying, recording, or otherwise without prior permission of UL. Revisions of UL Standards for Safety are issued from time to time. A UL Standard for Safety is current only if it incorporates the most recently adopted revisions. UL provides this Standard as is without warranty of any kind, ei
10、ther expressed or implied, including but not limited to, the implied warranties of merchantability or fi tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of profi ts, lost savings, loss of data, or any other
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13、d under the conditions and operating systems for which it is intended. ULs support policies may change from time-to-time without notifi cation. JANUARY 8, 2004 UL 1486tr1 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=North Carolina State University/5618801100
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21、 internal use. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, fi 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 requirements that have been revise
22、d and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. New product submittals made prior to a specifi ed future effective date will be judged under all of the requirements in this Standard including those requirements with a spec
23、ifi ed future effective date, unless the applicant specifi cally requests that the product be judged under the current requirements. However, if the applicant elects this option, it should be noted that compliance with all the requirements in this Standard will be required as a condition of continue
24、d Listing and Follow-Up Services after the effective date, and understanding of this should be signifi ed in writing. Copyright 2004 Underwriters Laboratories Inc. This Standard consists of pages dated as shown in the following checklist: PageDate 1-14 . . . . . . . . . . . . . . . . . . . . . . . .
25、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . January 8, 2004 JANUARY 8, 2004 UL 1486tr2 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=North Carolina State University/5618801100 Not for Resale, 10/18/2006
26、 02:12:53 MDTNo reproduction or networking permitted without license from IHS -,-,- JANUARY 8, 2004 1 UL 1486 Standard for Quick Opening Devices for Dry Pipe Valves for Fire Protection Service First Edition May, 1979 Second Edition August, 1993 Third Edition January 8, 2004 The most recent designati
27、on of ANSI/UL 1486 as an American National Standard (ANSI) occurred on December 5, 2003. This ANSI/UL Standard for Safety, which consists of the Third edition is under continuous maintenance, whereby each revision is ANSI approved upon publication. Comments or proposals for revisions on any part of
28、the Standard may be submitted to UL at any time. Written comments are to be sent to UL-RTP Standards Department, 12 Laboratory Dr., P.O. Box 13995, Research Triangle Park, NC 27709-3995. An effective date included as a note immediately following certain requirements is one established by Underwriter
29、s Laboratories Inc. Revisions of this Standard will be made by issuing revised or additional pages bearing their date of issue. A UL Standard is current only if it incorporates the most recently adopted revisions, all of which are itemized on the transmittal notice that accompanies the latest set of
30、 revised requirements. ISBN 0-7629-0947-1 COPYRIGHT 1979, 2004 UNDERWRITERS LABORATORIES INC. ANSI/UL 1486-2003 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=North Carolina State University/5618801100 Not for Resale, 10/18/2006 02:12:53 MDTNo reproduction or
31、networking permitted without license from IHS -,-,- JANUARY 8, 2004UL 14862 No Text on This Page Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=North Carolina State University/5618801100 Not for Resale, 10/18/2006 02:12:53 MDTNo reproduction or networking perm
32、itted without license from IHS -,-,- CONTENTS FOREWORD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 INTRODUCTION 1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2 Units of Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 3 Components . . . . . . . . . . . . . . . . . . .
34、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 4 Undated References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 CONSTRUCTION 5 General . . . . . .
35、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 PERFORMANCE 6 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36、. . . . . . . . . . . .6 7 Elastomeric Parts (Except Gaskets) Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 8 10-Day Moist Ammonia Air Stress Cracking Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 9 Ope
37、ration Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 9.1 Quick opening devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 9
38、.2 Accelerator and dry pipe valve combination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 10 Restricted Orifi ce Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 11 Leakage Test .
39、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 12 Hydrostatic Pressure Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 MANUFACTURI
40、NG AND PRODUCTION TESTS 13 Leakage Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 14 Restricted Orifi ce Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
41、. . . . . . . . . . . . . . . . . .12 MARKING 15 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 INSTALLATION INSTRUCTIONS 16 General . . . . . . . . . . . . . . . . . . . . . . . . . .
42、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 JANUARY 8, 2004UL 14863 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=North Carolina State University/5618801100 Not for Resale, 10/18/2006 02:12:53 MDTNo re
43、production or networking permitted without license from IHS -,-,- FOREWORD A. This Standard contains basic requirements for products covered by Underwriters Laboratories Inc. (UL) under its Follow-Up Service for this category within the limitations given below and in the Scope section of this Standa
44、rd. These requirements are based upon sound engineering principles, research, records of tests and fi eld experience, and an appreciation of the problems of manufacture, installation, and use derived from consultation with and information obtained from manufacturers, users, inspection authorities, a
45、nd others having specialized experience. They are subject to revision as further experience and investigation may show is necessary or desirable. B. The observance of the requirements of this Standard by a manufacturer is one of the conditions of the continued coverage of the manufacturers product.
46、C. A product which complies with the text of this Standard will not necessarily be judged to comply with the Standard if, when examined and tested, it is found to have other features which impair the level of safety contemplated by these requirements. D. A product employing materials or having forms
47、 of construction which confl ict with specifi c requirements of the Standard cannot be judged to comply with the Standard. A product employing materials or having forms of construction not addressed by this Standard may be examined and tested according to the intent of the requirements and, if found
48、 to meet the intent of this Standard, may be judged to comply with the Standard. E. UL, in performing its functions in accordance with its objectives, does not assume or undertake to discharge any responsibility of the manufacturer or any other party. The opinions and fi ndings of UL represent its professional judgment given with due consideration to the necessary limitations of practical operation and state of the art at the time the Standard is processed. UL shall not be responsible to anyone for the use of or reliance upon this Standard by anyone. UL shall