_API_STD_660-2001.pdf

Shell-and-Tube Heat Exchangers forGeneral Refinery ServicesDownstream SegmentAPI STANDARD 660SIXTH EDITION.FEBRUARY 2001AmericanPetroleumInstituteHelping YouGet The JobDone Right.COPYRIGHT American Petroleum InstituteLicensed by Information Handling ServicesFOREWORDThis standard is based on the accumulated knowledge and experience of petroleum refin-ers,shell-and-tube heat exchanger manufacturers,and engineering contractors.The objectiveof this standard is to provide a purchase specification to facilitate the procurement and man-ufacture of shell-and-tube heat exchangers for general refinery services.This standard requires the purchaser to specify certain details and features.Although it isrecognized that the purchaser may desire to modify,delete,or amplify sections of this stan-dard,it is strongly recommended that all modifications,deletions,and amplifications bemade by supplementing this standard rather than by rewriting or incorporating sections intoanother complete standard.API standards are published as an aid to procurement of standardized equipment andmaterials.These standards are not intended to inhibit purchasers or producers from purchas-ing or producing products made to specifications other than those of API.API publications may be used by anyone desiring to do so.Every effort has been made bythe Institute to assure the accuracy and reliability of the data contained in them;however,theInstitute makes no representation,warranty,or guarantee in connection with this publicationand hereby expressly disclaims any liability or responsibility for loss or damage resultingfrom its use or for the violation of any federal,state,or municipal regulation with which thispublication may conflict.Suggested revisions are invited and should be submitted to the standardization manager,American Petroleum Institute,1220 L Street,N.W.,Washington,D.C.20005.COPYRIGHT American Petroleum InstituteLicensed by Information Handling Services