ANSI American Society of Sanitary Engineering 1070-2015 Performance Requirements for Water Temperature Limiting Devices (First Edition Update No 1 September 2017).pdf

1、 Performance Requirements forWater Temperature Limiting DevicesASSE 1070-2015/ASME A112.1070-2015/CSA B125.70-15ANSI Approved: October 2015An American National StandardASSE 1037-2015/ASME A112.1037-2015/CSA B125.37-15Performance requirements for pressurized flushing devices for plumbing fixturesLega

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20、SA 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 publication go to shop.csa.ca click on CSA Update ServiceThe List

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22、ark of the Canadian Standards Association, operating as “CSA Group”Published in December 2015 by CSA GroupA not-for-profit private sector organization178 Rexdale Blvd., Toronto, Ontario, Canada M9W 1R31-800-463-6727 416-747-4044Visit our Online Store at shop.csa.caASSE 1070-2015/ASME A112.1070-2015/

23、CSA B125.70-15Performance requirements for water temperature limiting devicesPublished in December 2015 by ASSE International18927 Hickory Creek Drive, Suite 220, Mokena, Illinois 60447(708) 995-3019Visit us online at www.asse-plumbing.orgisit our webstore at ASSE International18927 Hickory Creek Dr

24、., Suite 220Mokena, IL 60448Tel: (708) 995-3019Fax: (708) 479-6139E-mail: general.infoasse-plumbing.org www.asse-plumbing.org ASSE International 2015Commitment for AmendmentsThis Standard is issued jointly by The American Society of Mechanical Engineers (ASME), the ASSE International Chapter of IAPM

25、O, 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 Group.The American Society of Mechanical Engineers (ASME) Two Park AvenueNew York, NY 10016-5990USAwww.asme.orgISBN 978-0-7918-7012-9

26、 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 review comments or committee actions to be published as necessary.Published in December 2015 by CSA GroupA not-for-profit private sect

27、or organization178 Rexdale BoulevardToronto, Ontario, CanadaM9W 1R31-800-463-6727 or 416-747-4044Visit the CSA Group Online Store at shop.csa.caISBN 978-1-77139-238-9 CSA Group 2015All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission

28、of the publisherDecember 2015 iiiContents 2015 ASSE International 2015 The American Society of Mechanical Engineers 2015 CSA GroupPerformance requirements for watertemperature limiting devicesASME A112 Standards Committee on Plumbing Materials and Equipment vASSE Product Standards Committee viiCSA T

29、echnical Committee on Plumbing Fittings viiiASME/ASSE/CSA Harmonization Task Group on Plumbing Fittings xiPreface xiiiSection I 11Scope 1Section II 12 Reference publications and definitions 12.1 Reference publications 12.2 Definitions 2Section III 23 Design and general requirements 23.1 Rated pressu

30、re, 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 (compression) tube fittings 33.5 Push-fit fittings 33.6 Function 33.7 Cross-flow 43.8 Toxicity and lead content 43.9 Devices incorporating

31、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 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

32、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 B125.70-15 2015 CSA Groupiv December 20154.3.3 Procedure with the valve closed 64.3.4 Procedure with the valve opened and the outlet(s)

33、 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 test 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

34、 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 Purpose 94.8.2 Procedure 94.8.3 Failure criteria 9Section V 95 Markings, packaging, instructions, and literature 95.1 Product markings

35、95.2 Temperature control setting identification 105.3 Packaging 105.4 Installation and maintenance instructions 105.5 Rated flow 105.6 Water temperature 10AnnexesA (informative) Unit conversion and rounding criteria 12B (informative) Verifying the time constant of the temperature-measuring equipment

36、 13Figures1 Set-up for high-temperature conditioning, pressure and temperature limit, and cold water supply failure tests 11Performance requirements for watertemperature limiting devicesDecember 2015 v 2015 ASSE International 2015 The American Society of Mechanical Engineers 2015 CSA GroupASME A112

37、Standards Committee on Plumbing Materials and EquipmentD.W. Viola IAPMO,Mokena, Illinois, USAChairS. Rawalpindiwala Kohler Co., Kohler, Wisconsin, USAVice-ChairR.K. Adler City of San Jose, San Jose, California, USAJ.A. Ballanco JB Engineering and(b) CSA B125.3, Plumbing fittings requirements specifi

38、cally for water temperature limiting devices.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 Plumbing Fittings, under the jurisdiction of the ASME A112 Standard

39、s 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 Committee on Construction and Civil Infrastructure.This Standard was

40、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 Standard by the American National Standards Institute on October 30, 20

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