ANSI UL 343-2008 UL Standard for Safety Pumps for Oil-Burning Appliances (Ninth Edition Reprint with Revisions Through and Including December 14 2017).pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 343 Pumps for Oil-Burning AppliancesUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTH
2、ER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Pumps for Oil-Burning Appliances, UL 343 Ninth Edition, Dated December 17, 2008 Summary of Topics This edition of UL 343 is being revised to reect the rst time ANSI approval of the Standard. No changes in the requi
3、rements 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 10, 2012. All rights reserved. No part of this publ
4、ication 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, either expressed or implied, including but not
5、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 arising out of the use of or the inability
6、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 of the electronic versions of ULs Standards
7、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 electronic Standard on the purchasers computer sy
8、stem. 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 requirements that have been revised and that h
9、ave a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. JUNE 12, 2013 UL 343 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JUNE 12, 2013 UL 343 tr2 No Text on This PageUL COPYRIG
10、HTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 17, 2008 (Title Page Reprinted: June 12, 2013) 1 UL 343 Standard for Pumps for Oil-Burning Appliances First Edition July, 1957 Second Edition June, 1971 Third Edition August, 1974 Fourth Edition
11、 April, 1976 Fifth Edition April, 1982 Sixth Edition July, 1986 Seventh Edition April, 1993 Eighth Edition May, 1997 Ninth Edition December 17, 2008 This ANSI/UL Standard for Safety consists of the Ninth Edition including revisions through June 12, 2013. The most recent designation of ANSI/UL 343 as
12、 an American National Standard (ANSI) occurred on June 12, 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 s
13、hould be submitted via a 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,
14、 and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC. ANSI/UL 343-2013UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 17, 2008 PUMPS FOR OIL-BURNING A
15、PPLIANCES - UL 343 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .5 2 Components 5 3 Units of Measurement .5 4 Undated References 6 5 Glossary .6 CONSTRUCTION 6 Assembly 6 7 Materials .7
16、8 Strength of Parts 8 9 Bodies, Covers, and Heads 8 10 Shaft Seals and Stuffing Boxes 9 11 Springs 11 12 Diaphragms 11 13 Bases .12 14 Integral Tanks 12 15 Strainers .13 16 Floats .13 17 Control Application 14 18 Piping and Fittings 14 ELECTRICAL EQUIPMENT 19 General 14 20 Enclosures .15 21 Motors .
17、16 22 Wiring Methods .18 PERFORMANCE 23 General 19 24 Deformation Test No. 1 19 25 Operation of Pressure-Regulating and Nozzle Shutoff Valves Combined With a Pump Assembly Test No. 2 .20 26 Operation of Combination Pump and Compressor Assemblies Test No. 3 .21 27 Operation of Automatic Fuel Oil Pump
18、s Test No. 4 21 28 Vacuum and Capacity of Power-Operated Pumps Test No. 5 23 29 Endurance Test No. 6 .24 30 Static-Pressure Leakage Test No. 7 .24 31 High-Pressure Leakage Test No. 8 25 32 Hydrostatic-Pressure Strength Test No. 9 25 33 10-Day Moist Ammonia-Air Stress Cracking Test .26 MANUFACTURING
19、AND PRODUCTION TESTS 34 General 26 DECEMBER 17, 2008 PUMPS FOR OIL-BURNING APPLIANCES - UL 343 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MARKING 35 General 27 Appendix A Standards for ComponentsA1 DECEMBER 17, 2008 PUMPS FOR OIL-BURNI
20、NG APPLIANCES - UL 343 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover pumps that are intended to be used as part of oil-burning appliances or installed in fuel-oil piping systems serving su
21、ch equipment. Oil-burning appliance pumps may be either automatic or power-operated. 1.2 Requirements for the installation and use of oil-burning appliance pumps are included in the Standard for the Installation of Oil-Burning Equipment, NFPA 31. 2 Components 2.1 Except as indicated in 2.2, a compon
22、ent of a product covered by this standard shall comply with the requirements for that component. See Appendix A for a list of standards covering components used in the products covered by this standard. 2.2 A component is not required to comply with a specic requirement that: a) Involves a feature o
23、r 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. 2.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.4 Specic components are inco
24、mplete 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. 3 Units of Measurement 3.1 Values stated wit
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