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20、M7AY 3UITE -ISSISSAUGA /NTARIO #ANADA,7. s 6ISITOUR/NLINE3TOREATSHOPCSACA!3-%! #3!“ 0LUMBINGSUPPLYFITTINGSCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Published in December 2012 by CSA GroupA n
21、ot-for-profit private sector organization5060 Spectrum Way, Suite 100Mississauga, Ontario, CanadaL4W 5N61-800-463-6727 416-747-4044Visit the CSA Online Store at SHOPCSACAISBN 978-1-77139-020-0 2012 CSA GroupAll rights reserved. No part of this publication may be reproduced in any form whatsoever wit
22、hout the prior permission of the publisher.#OMMITMENTFOR!MENDMENTSThis Standard is issued jointly by the American Society of Mechanical Engineers (ASME) and CSA Group. Amendments to this Standard will be made only after processing according to the Standards writing procedures of both ASME and CSA.Th
23、e American Society of Mechanical Engineers (ASME)Three Park AvenueNew York, NY 10016-5990USA1-800-843-2763www.asme.orgVisit ASME Online Store at http:/www.asme.org/kb/standardsISBN 978-0-7918-6864-5 Copyright 2012The 2012 edition of this Standard is being issued with an automatic addenda subscriptio
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25、 III#ONTENTS 4HE!MERICAN3OCIETYOF-ECHANICAL%NGINEERS#3!ROUP 0LUMBINGSUPPLYFITTINGSASME A112 Standards Committee on Plumbing Materials and Equipment VIASME A112.18.1 Project Team on Plumbing Fixture Fittings VIIITechnical Committee on Plumbing Fittings XIASME/CSA Joint Harmonization Task Group on Plu
26、mbing Fittings XIVPreface XV3COPE 2EFERENCEPUBLICATIONS $EFINITIONSANDABBREVIATIONS3.1 Definitions 3.2 Abbreviations $ESIGNREQUIREMENTS4.1 Supply fittings 4.1.1 Rated pressure 4.1.2 Rated temperatures 4.1.3 Seating members 4.2 Servicing 4.3 Installation 4.4 Threaded connections 4.5 Connections other
27、 than threaded connections 4.6 Accessible designs 4.7 Backflow prevention 4.8 Cover plates and escutcheons 4.9 Toxicity and lead content 4.10 Frost-proof faucets and hydrants 4.11 Shower heads, body sprays, and hand-held showers 4.11.1 General 4.11.2 High-efficiency shower heads and hand-held shower
28、s 4.12 Cross-flow 4.13 Fittings incorporating electrical features 4.13.1 General 4.13.2 Testing 4.14 Materials 4.15 Automatic compensating valve temperature control 4.16 Lawn faucets 4.17 Flexible water connectors 0ERFORMANCEREQUIREMENTSANDTESTPROCEDURES5.1 General 5.1.1 Preconditioning 5.1.2 Instal
29、lation for testing 5.1.3 Test conditions 5.1.4 Order of tests 5.2 Coatings Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-4HE!MERICAN3OCIETYOF-ECHANICAL%NGINEERS!3-%! #3!“ #3!ROUPIV $ECEMBER5.2.1
30、 General 5.2.2 Corrosion (all substrates and coatings) 5.2.3 Adhesion 5.2.4 Decorative organic coatings 5.3 Pressure and temperature 5.3.1 Static and dynamic seals 5.3.2 Burst pressure 5.3.3 Cross-flow check valves 5.3.4 Hose assemblies 5.3.5 Ball joints 5.3.6 Diverters 5.3.7 Aerators and other end
31、point devices 5.4 Flow rate 5.4.1 Supply fittings 5.4.2 Test procedure 5.5 Operating requirements 5.6 Life cycle 5.6.1 Performance requirements 5.6.2 Test procedures 5.6.3 Fittings and other control devices 5.7 Resistance to installation loading 5.7.1 Bending strength 5.7.2Thread torque strength 5.8
32、 Resistance to use loading 5.8.1 Operating controls 5.8.2 Maintenance of installed position 5.8.3 Swing spout strength 5.9 Backflow prevention 5.9.1 General 5.9.2 Fittings with plain outlets 5.9.3 Fittings with submersible outlets 5.10 Lawn faucets 5.10.1 Performance requirements 5.10.2 Test procedu
33、re 5.11 Alternative materials test 5.11.1 Performance requirements 5.11.2 Test procedure 5.12 High-efficiency shower heads and hand-held showers 5.12.1 General 5.12.2 Flow rate 5.12.3 Spray force 5.12.4 Spray coverage -ARKINGS PACKAGING ANDINSTALLATIONINSTRUCTIONS6.1 General 6.2 Temperature identifi
34、cation 6.3 Packaging 6.4 High-efficiency shower heads and hand-held showers !NNEXES!(informative) Unit conversion and rounding criteria “(normative) Tests by fitting type Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted withou
35、t license from IHS-,-,- 4HE!MERICAN3OCIETYOF-ECHANICAL%NGINEERS#3!ROUP 0LUMBINGSUPPLYFITTINGS$ECEMBER V4ABLES Minimum and maximum flow rates Operating requirements Life cycle test Thread torque strength (b) bath and shower supply fittings;(c) bidet supply fittings;(d) clothes washer supply fittings;
36、(e) drinking fountain supply fittings;(f) humidifier supply stops;(g) kitchen, sink, and lavatory supply fittings;(h) laundry tub supply fittings;(i) lawn and sediment faucets;(j) metering and self-closing supply fittings;(k) shower heads, hand-held showers, and body sprays; and(l) supply stops.1.2T
37、his Standard does not cover(a)plumbing waste fittings, which are covered by ASME A112.18.2/CSA B125.2;(b) other devices (e.g., temperature-actuated in-line mixing valves), which are covered by CSA B125.3 or other plumbing product Standards; and(c) flexible water connectors under continuous pressure,
38、 which are covered by ASME A112.18.6/ CSA B125.6.1.3Except for push-fit fittings, this Standard does not cover pipes and tubes or pipe and tube fittings.1.4In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the st
39、andard; “should” is used to express a recommendation or that which is advised but not required; “may” is used to express an option or that which is permissible within the limits of the standard; and “can” is used to express possibility or capability. Notes accompanying clauses do not include require
40、ments or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or
41、informative (non-mandatory) to define their application.1.5SI units are the units of record in Canada. In this Standard, the inch/pound units are shown in parentheses.The values stated in each measurement system are equivalent in application; however, each system is to be used independently. Combini
42、ng values from the two measurement systems can result in non-conformance with this Standard.Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-4HE!MERICAN3OCIETYOF-ECHANICAL%NGINEERS!3-%! #3!“ #3!ROUP $ECEMBERAll references to gallons are to U.S. gallons.For information on the conversion criteria used in thi
