1、ASSE 1070-2015/ASME A112.1070-2015/CSA B125.70-15Performance requirements for water temperature limiting devicesLegal Notice for Harmonized StandardJointly Developed by ASME, ASSE, and CSAIntellectual property rights and ownershipAs between The American Society of Mechanical Engineers (ASME), ASSE I
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16、ASSE 1070-2015/ASME A112.1070-2015/CSA B125.70-15December 2015Title:Performance requirements for water temperature limiting devicesPagination:28 pages (xiv preliminary and 14 text), each dated December 2015To register for e-mail notification about any updates to this publicationgo to shop.csa.caclic
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19、 A112.1070-2015/CSA B125.70-15Performance requirements for water temperature limiting devicesASSE International18927 Hickory Creek Dr., Suite 220Mokena, IL 60448Tel: (708) 995-3019Fax: (708) 479-6139E-mail: general.infoasse-plumbing.org www.asse-plumbing.org ASSE International 2015Commitment for Ame
20、ndmentsThis Standard is issued jointly by The American Society of Mechanical Engineers (ASME), the ASSE International Chapter of IAPMO, LLC. (ASSE), and CSA Group. Amendments to this Standard will be made only after processing according to the Standards development procedures of ASME, ASSE, and CSA
21、Group.The American Society of Mechanical Engineers (ASME) Two Park AvenueNew York, NY 10016-5990USAwww.asme.orgISBN 978-0-7918-7012-9 2015The 2015 edition of this Standard is being issued with an automatic addenda subscription service. The use of addenda allows revisions made in response to public r
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23、CSA Group 2015All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisherDecember 2015 iiiContents 2015 ASSE International 2015 The American Society of Mechanical Engineers 2015 CSA GroupPerformance requirements for watertem
24、perature limiting devicesASME A112 Standards Committee on Plumbing Materials and Equipment vASSE Product Standards Committee viiCSA Technical Committee on Plumbing Fittings viiiASME/ASSE/CSA Harmonization Task Group on Plumbing Fittings xiPreface xiiiSection I 11Scope1Section II 12 Reference publica
25、tions and definitions 12.1 Reference publications 12.2 Definitions 2Section III 23 Design and general requirements 23.1 Rated pressure, flow rate, and temperature range 23.1.1 Rated pressure 23.1.2 Flow rate 33.1.3 Temperature range 33.2 Solder joints 33.3 Threads 33.4 Flared and ball sleeve (compre
26、ssion) tube fittings 33.5 Push-fit fittings 33.6 Function 33.7 Cross-flow 43.8 Toxicity and lead content 43.9 Devices incorporating electrical features 43.10 Servicing 4Section IV 54 Performance requirements and test methods 54.1 General 54.1.1 Preconditioning 54.1.2 Installation for testing 54.1.3
27、Test sequence 54.2 High-temperature conditioning test 54.2.1 Purpose 54.2.2 Procedure 54.2.3 Failure criteria 54.3 Working pressure and temperature test 54.3.1 General 54.3.2 Purpose 6 2015 ASSE International 2015 The American Society of Mechanical EngineersASSE 1070-2015/ASME A112.1070-2015/CSA B12
28、5.70-15 2015 CSA Groupiv December 20154.3.3 Procedure with the valve closed 64.3.4 Procedure with the valve opened and the outlet(s) blocked 64.3.5 Test temperatures and pressures 64.3.6 Failure criteria 64.4 Cross-flow test 64.4.1 Purpose 64.4.2 Procedures 64.4.3 Failure criteria 64.5 Life cycle te
29、st 74.5.1 Purpose 74.5.2 Procedure 74.5.3 Failure criteria 74.6 Pressure and temperature variation test 74.6.1 Data gathering 74.6.2 Procedure 74.6.3 Failure criteria 84.7 Cold water supply failure test 94.7.1 Purpose 94.7.2 Procedure 94.7.3 Failure criteria 94.8 Hydrostatic pressure test 94.8.1 Pur
30、pose 94.8.2 Procedure 94.8.3 Failure criteria 9Section V 95 Markings, packaging, instructions, and literature 95.1 Product markings 95.2 Temperature control setting identification 105.3 Packaging 105.4 Installation and maintenance instructions 105.5 Rated flow 105.6 Water temperature 10AnnexesA(info
31、rmative) Unit conversion and rounding criteria 12B(informative) Verifying the time constant of the temperature-measuring equipment 13Figures1 Set-up for high-temperature conditioning, pressure and temperature limit, and cold water supply failure tests 11Performance requirements for watertemperature
32、limiting devicesDecember 2015 v 2015 ASSE International 2015 The American Society of Mechanical Engineers 2015 CSA GroupASME A112 Standards Committee on Plumbing Materials and EquipmentD.W. Viola IAPMO,Mokena, Illinois, USAChairS. Rawalpindiwala Kohler Co., Kohler, Wisconsin, USAVice-ChairR.K. Adler
33、 City of San Jose, San Jose, California, USAJ.A. Ballanco JB Engineering and(b) CSA B125.3, Plumbing fittings.This Standard is considered suitable for use with conformity assessment within the stated scope of the Standard.This Standard was prepared by the ASSE/ASME/CSA Harmonization Task Group on Pl
34、umbing Fittings, under the jurisdiction of the ASME A112 Standards Committee on Plumbing Materials and Equipment, the ASSE Product Standards Committee, and the CSA Technical Committee on Plumbing Fittings. The CSA Technical Committee operates under the jurisdiction of the CSA Strategic Steering Comm
35、ittee on Construction and Civil Infrastructure.This Standard was formally approved by the ASME Standards Committee on Plumbing Materials and Equipment, the ASSE Product Standards Committee, and the CSA Technical Committee on Plumbing Fittings.This Standard was approved as an American National Standa
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45、ommittee.Interpretations are published on the ASME Web site under the Committee Pages at http:/cstools.asme.org/ as they are issued.CSA Notes:(1) Use of the singular does not exclude the plural (and vice versa) when the sense allows.xiv December 2015 2015 ASSE International 2015 The American Society
46、 of Mechanical EngineersASSE 1070-2015/ASME A112.1070-2015/CSA B125.70-15 2015 CSA Group(2) Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the users of the Standard to judge its suitability for their pa
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