ASME_B31.7c-1971.pdf

,A M E R I C A N N A T I O N A L S T A N D A R D 1971 Addenda to Nuclear Power Piping B 31.7-1969 ANSI B 31.7-1971 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 O F M E C H A N I C A L E N G I N E E R S United Engineering Center 345 East 47th Street New York,N.Y.1 O 0 1 7 These addenda were approved by the American National Standards Institute on October 21,1971 Any part of these addenda may be quoted.Credit line should read:“Extracted from 1971 Addenda to Nuclear Power Piping B31.7-1969,with the permission of the publisher,The American Society of Mechanical Engi-neers,United Engineering Center,345 East 47th Street,New York,N.Y.10017.Copyright 0 1 9 7 1 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS Printed i n U.S.A.Code for Pressure Piping OF FI CE RC E.C.Pandorf,Chairman J.A.Casner,Vice Chairman p.L.Daley,Vice Chcliman Manuel Gutierret,Secretary COMMITTEE MEMBERS AIR-CONDITIONING AND REFRIGERATING INSTITUTE R.L.Jones,Jr.,Carrier Air-conditioning Company,Syracuse,New York F.J.Reed,Alternate,Air-conditioning&Refrigerating Institute,Arlington.Virginia J.W.Juppenlau,Quaker Alloy Casting Company,Myerstown,Pennsylvania E.A.Schoeffer,Alternate,Alloy Casting Institute,New York,New York E.T.Wanderer,The Aluminum Company of America,New Kensington,Pennsylvania W.G.Snyder,Alternate,Reynolds Metals Company,Richmond,Virginia B.J.Round,Combustion Engineering,Inc.,Windsor,Connecticut A.W.Cossaboom,American Bureau of Shipping,New York,New York A.H.Cramer,Michigan Consolidated Gas Company,Derroit,Michigan L.L.Elder,Columbia Gas System Service Corporation,Columbus,Ohio A.J.Shoup,Texas Easrern Transmission Corporation,Shreveport,Louisiana W.C.Camell,United Engineers and Constructors,Philadelphia,Pennsylvania R.J.Sarraf,Alternate,Rockwell Manufacturing Company,Pitcsburgh,Pa.H.S.Blumberg,New York,New York E.A.Jonas,.Bethlehem Steel Company,Bethlehem,Pennsylvania AMERICAN INSURANCE ASSOCIATION R.E.Hubbell,Employers Commercial Union Co.,Boston,Massachusetts AMERICAN IRON AND STEEL INSTITUTE p.L.Daley,United States Steel Corporation,Pittsburgh,Pennsylvania W.M.Neckerman,Jr.,Republic Steel Corporation,Cleveland,Ohio J.H.Timmets,JI.,Armco Steel Corporation,Middletown,Ohio F.B.Callanen.Mobil Research and Development Cop.,New York,New York O.W.Heyden,Shell Pipe Line Corporation,Houston,Texas G.J.Rohleder,MAPCO Inc.,Tulsa,Oklahoma R.L.Jones,Alternate,American Petroleum Institute,Washington,D.C.1.E.Ubben,Alternate,American Petroleurn Institute,Dallas,Texas W.E.Coleman,Republic Steel Corporation,Youngstown,Ohio ALLOY CASTING INSTITUTE ALUMINUM ASSOCIATION,THE AMERICAN BOILER MANUFACTURERS ASSOCIATION AMERICAN BUREAU OF SHIPPING AMERICAN GAS ASSOCIATION,INC.AMERICAN INSTITUTE OF CHEMICAL ENGINEERS AMCRICAN INSTITUTE OF MINING,METALLURGICAL AND PETROLEUM ENGINEERS AMERICAN PETROLEUM INSTITUTE AMERICAN SOCIETY FOR TESTING AND MATERIALS.III AMERICAN SOCIETY OF CIVIL ENGLVEERS E.V.Hunt,Colorado Springs,Colorado J.W.Pierce,Toups Engineering,Ontario,California ALIERICAN SOCIETY OF HE.ITING,REFRIGERATING,AND AIR-CONDITIONING ENGINEERS J.L.Ditzler,Borg-Warner Corp.,York,Pennsylvania AMERICAN SOCIETY OF MECHANICAL ENGINEERS,THE J.A.Casner,The Youngstown Sheet and Tube Company,Youngstown,Ohio E.C.Pandorf,The Cincinnati Gas and Electric Company,Cincinnati,Ohio J.T.Planstrom,Consolidated Edison Company of New York,New York,New York E.J.Rozic,Babcock&Wilcox,Beaver Falls,Pennsylvania E.C.Yaw,Commonwealth Associates,Inc.,Jackson,Michigan AMERICAN WELDING SOCIETY H.A.Sosnin,Pipe Engineering&Design,Jenkintown,Pennsylvania R.B.Gwin,Alternate,Columbia Gas Systems Service Corp.,Columbus,Ohio ASSOCIATION CHIEF BOILER AND PRESSURE VESSEL INSPECTORS(CANADA)CAST IRON PIPE RESEARCH ASSOCIATION A.J.R.Rees(Liaison),Department of Labour,Edmonton,Alberta,Canada C.A.Henrickson,Unired States Pipe and Foundry Co.,Birmingham,Alabama W.H.Smith,Cast Iron Pipe Research Association,Oak Brook,Illinois T.D.Holmes,James B.Clow&Sons,Inc.,Coshocton,Ohio F.J.Heller,Phillips Petroleum Company,Barclesville,Oklahoma E.A.Olsen,Alternate,Compressed Gas Association,New York,New York Arthur Cohen,Copper Development Association,Inc.,New York,New York D.O.Herrick,Alternate,Copper Development Assoc.,Inc.,Stamford,Connecticut R.G.Kern,Union Electric Company,St.Louis,Missouri G.E.Lien,American Electric Power Service Cocpotation,New iotk,New York R.W.Foster,Alternate,Commonwealth Associates,Jackson,Michigan G.A.Olson,Alternate,Edison Electric Institute,New York.New York L.W.Mendonsa,Bureau of Natural Gas,Federal Power Commission,Washington,D.C.M.W.Hott,Jordan Valve,Cincinnati,Ohio W.C.Osborne,Goulds Pumps,Incorporated,Seneca Falls,New York COMPRESSED GAS ASSOCIATION,INC.COPPER DEVELOPMENT ASSOCIATION,INC.ELECTRIC LIGHT&POWER GROUP FEDERAL POWER COMMISSION FLUID CONTROLS INSTITUTE HYDRAULIC INSTITUTE INTERNATIONAL DISTRICT HEATING ASSOCIATION I.A.Banyash,The Derroit Edison Company,Dermic,Michigan MANUFACTURERS STANDARDIZATION SOCIE