ASME_B95.1-1977.pdf

BP25 B 9 5-1 0049024 0000777 204 A M E R I C A N N A T I O N A L S T A N D A R D TERMINOLOGY for PRESSURE RELIEF DEVICES ANSI 695.1-1977(REVISION OF ANSI 895.1-1972)SECRETARIA T THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLISHED BY T H E A M E R I C A N S O C I E T Y OF M E C H A N I C A L E N G I N E E R S United Engineering Center New York,N.Y.1 O01 7 345 East 47th Street Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 23:50:25 MSTNo reproduction or networking permitted without license from IHS-,-,-BP25 875-L 0047024 0000778 140 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.Copyright O t 977 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 23:50:25 MSTNo reproduction or networking permitted without license from IHS-,-,-BP25 B95.1 W O049024 0000979 087=FOREWORD It is the intent of this standard to define pressure relief devices,their functional and operational charac-teristics,and to standardize terminology covering such devices and their characteristics.The effort was begun in July,1961 when the Chlorine Institute asked ASA(now known as ANSI)to initiate a project in the field of safety device nomenclature.A general conference of interested groups was held to determine the desirability of starting such a pro-ject.The sense of the meeting was that the work of drafting such a standard should be begun and the ASME was asked to be the sponsor(now known as secretariat)of the project.An organizational meeting of B95 was held on June 8,1965 with subsequent meetings held on June 7,1966,December 6,1966 and June 6,1967.A first draft document was submitted for letter ballot approval of the committee on November 7,1967.This ballot resulted in comments which indicated that further re-visions were required.Another draft was submitted for letter ballot approval of the committee on December 16,1970.Final approval for that standard was granted by ANSI on April 4,1972,as ANSI B95.1-1972.After a period of usage and adoption of much of the content by various organizations,it became ap-parent that a revision should be considered to promote more widespread acceptance of the document.A reorganization meeting was held on September 16,1975 and work initiated towards revision of the 1972 document.The final draft of the proposed revision as approved by the committee was submitted to the secretariat organization and to the American National Standards Institute for final approval as an American National Standard.Final approval was granted by.ANSI on August 12,1977.The B95 Standards Committee and the Secretariat extend grateful acknowledgment to past chairmen J.P.Myers and H.F.Ferrill,and past secretary R.L.Mitchell for their contributions to the work of the Commit tee.iii Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 23:50:25 MSTNo reproduction or networking permitted without license from IHS-,-,-BP25 B 9 5-1 m 0049024 0000980 B T 9 m AMERICAN NATIONAL STANDARDS COMMITTEE 895 Terminology for Pressure Relief Devices(The following is the roster of the Committee at the time of approval of this Standard)OFFICERS O.E.Buxton,Chairman C.J.Gomez,Secretary COMMITTEE PERSONNEL AMERICAN PETROLEUM INSTITUTE W.C.Meyer,Mobil Research&Development Corp.,Princeton,New Jersey W.M.Miller,Alternate,Division of Transportation,American Petroleum Institute,Washington,DC R.A.Chadburn,York Corp.,York,Pennsylvania N.A.LaCourte,Alternate,ASHRAE,United Engineering Center,New York,New York Edwin D.Laughren,Southern California Gas Company,Los Angeles,California AMERICAN SOCIETY OF HEATING&AIR-CONDITIONING ENGINEERS AMERICAN GAS ASSOCIATION AMERICAN SOCIETY OF MECHANICAL ENGINEERS J.L.Corcoran,Crosby Valve and Gage Company,Wrentham,Massachusetts W.L.Garvin,The National Board of Boiler and Pressure Vessel Inspectors,Columbus,Ohio J.P.Myers,P.E.,Columbus,Ohio C.G.Weber,Teledyne Farris Engineering,Palisades Park,New Jersey ASSOCIATION OF AMERICAN RAILROADS R.G.Porris,Midland Manufacturing Corp.,Skokie,Illinois Paul Loveday,Linde Division,Union Carbide Corp.,Tarrytown,New York Louis A.Bohn,Eastman Kodak Co.,Rochester,New York R.A.Cedel,Dresser Industrial Valve and Instrument Division,Alexandria,Louisiana K.N.Williams,Alternate,Dresser Industrial Valve and Instrument Division,Alexandria,Louisiana COMPRESSED GAS ASSOCIATION MANUFACTURING CHEMISTS ASSOCIATION,INC.MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE&FiTINGS INDUSTRY NATIONAL BOARD OF BOILER&PRESSURE VESSEL INSPECTORS O.E.Buxron,Jr.,Prof.,The National Board of Boiler and Pressure Vessel Inspe