1、AN AMERICAN NATIO NAL STANDARDBelow-the-Hook Lifting DevicesASME B30.20-2006(Revision of ASME B30.20-2003)Safety Standard for Cableways,Cranes,Derricks,Hoists,Hooks,Jacks,and SlingsCopyright ASME International Provided by IHS under license with ASME Licensee=BP International/5928366101 Not for Resal
2、e,06/04/2010 04:54:39 MDTNo reproduction or networking permitted without license from IHS-,-,-ASME B30.20-2006(Revision of ASME B30.20-2003)Below-the-HookLifting DevicesSafety Standard for Cableways,Cranes,Derricks,Hoists,Hooks,Jacks,and SlingsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,
3、NY 10016Copyright ASME International Provided by IHS under license with ASME Licensee=BP International/5928366101 Not for Resale,06/04/2010 04:54:39 MDTNo reproduction or networking permitted without license from IHS-,-,-Date of Issuance:January 16,2007The next edition of this Standard is scheduled
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10、he establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical Eng
11、ineersThree Park Avenue,New York,NY 10016-5990Copyright 2007 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASME Licensee=BP International/5928366101 Not for Resale,06/04/2010 04:54:39 MDTNo reproducti
12、on or networking permitted without license from IHS-,-,-CONTENTSForeword.vCommittee Roster.viB30 Standard Introduction.viiiSummary of Changes.xiChapter 20-0Scope,Definitions,and ReferencesSection 20-0.1Scope of ASME B30.20.1Section 20-0.2Definitions General.1Section 20-0.3Definitions for Chapter 20-
13、1.1Section 20-0.4Definitions for Chapter 20-2.4Section 20-0.5Definitions for Chapter 20-3.4Section 20-0.6Definitions for Chapter 20-4.8Section 20-0.7Definitions for Chapter 20-5.8Section 20-0.8References to Other Codes and Standards.11Chapter 20-1Structural and Mechanical Lifting DevicesSection 20-1
14、.1Scope.12Section 20-1.2Marking,Construction,and Installation.12Section 20-1.3Inspection,Testing,and Maintenance.13Section 20-1.4Operation.15Section 20-1.5Instruction Manuals.16Chapter 20-2Vacuum Lifting DevicesSection 20-2.1Scope.17Section 20-2.2Marking,Construction,and Installation.17Section 20-2.
15、3Inspection,Testing,and Maintenance.19Section 20-2.4Operation.21Section 20-2.5Instruction Manuals.22Chapter 20-3Close Proximity Operated Lifting MagnetsSection 20-3.1Scope.23Section 20-3.2Marking,Construction,and Installation.23Section 20-3.3Inspection,Testing,and Maintenance.24Section 20-3.4Operati
16、on.26Section 20-3.5Instruction Manuals.28Chapter 20-4Remotely Operated Lifting MagnetsSection 20-4.1Scope.29Section 20-4.2Marking,Construction,and Installation.29Section 20-4.3Inspection,Testing,and Maintenance.30Section 20-4.4Operation.31Section 20-4.5Instruction Manuals.32Chapter 20-5Scrap and Material Handling GrapplesSection 20-5.1Scope.33Section 20-5.2Marking,Construction,and Installation.33Section 20-5.3Inspection,Testing,and Maintenance.33Section 20-5.4Operation.35Section 20-5.5Instructio
