_IP_Spec_1590-2002.pdf

SPECIFICATIONS AND QUALIFICATION PROCEDURESFOR AVIATION FUEL MICROFILTERSAPI/IP SPECIFICATION 1590Second editionApril 2002SPECIFICATIONS AND QUALIFICATION PROCEDURESFOR AVIATION FUEL MICROFILTERSAPI/IP SPECIFICATION 1590Second EditionApril 2002Published jointly byAmerican Petroleum InstituteandThe Institute of Petroleum,LondonA charitable company limited by guaranteeCopyright 2002 by American Petroleum Institute,andThe Institute of Petroleum,London:A charitable company limited by guarantee.Registered No.135273,EnglandAll rights reservedNo part of this book may be reproduced by any means,or transmitted or translated intoa machine language without the written permission of the publisher.ISBN 0 85293 330 4Published by The Institute of PetroleumFurther copies can be obtained from Portland Press Ltd.Commerce Way,Whitehall Industrial Estate,Colchester CO2 8HP,UK.Tel:+44(0)1206 796 351email:vCONTENTSPageForeword.viiAcknowledgements.ix1General.12Description.33Specifications.53.1 Element performance specifications.53.2 Mechanical specification.64Qualification test materials and facilities.114.1 Test materials and facilities.114.2 Test fuel.114.3 Test contaminants.114.4 Additive package.124.5 Test facility.125Mandatory test procedures.155.1 General.155.2 Mechanical specification approval.155.3 Test fuel preparation.155.4 Performance tests.15Annex A-Unit conversion factors.21Annex B-Schedule of analytical testing(5.4).23Annex C-Laboratory analysis of media migration samples.25Annex D-Gravimetric membrane analysis and contaminant removal efficiency rating.27viviiFOREWORDThis is the 2nd edition of this specification.The 1st edition was published by The Institute of Petroleum in 1999.Thisedition is jointly published by The American Petroleum Institute(API)and The Institute of Petroleum(IP)and hasbeen suitably coded as specification 1590.This edition of the specification was developed to align API and IP perspectives and clarify certain testingrequirements.The test fuel chemistry is changed in this edition to provide alignment with a revision of API/IP 1581Specification and qualification procedures for aviation jet fuel filter/separators,but no changes in elementperformance requirements between this and the 1st edition of the specification are intended.Equipment qualifiedto the 1st edition of this specification remains qualified to this edition subject to purchasers agreement.This publication describes specifications and qualification test procedures for microfilter elements of the disposablecartridge type and,separately,the manufacturing requirements for new vessels for use in aviation jet fuel-handlingsystems.It relates only to elements nominally rated within the range 1,0-5,0 m.This specification provides testconditions and minimum flow rates for microfilter elements having an outside diameter of 150 mm(6 in.).Microfilter elements of other diameters may fall within the scope of this specification when manufacturer andpurchaser agree to minimum flow rates and certain test conditions.These specifications are for the convenienceof purchasers in ordering,and manufacturers in fabricating,microfilter vessels and elements.They are not in anyway intended to prohibit either the purchase or manufacture of microfilter elements meeting other requirements.Once an element model has been qualified,any change in design or materials voids the qualification of that model.It may not be necessary to conduct all of the performance tests in this specification to re-qualify a modified modeldepending upon the details of the changes.The vessel requirements included in this specification refer to new,purpose built microfilter vessels.Thisspecification does not discourage the use of existing vessels,which continue to meet purchasers needs,regardlessof compliance with the mechanical requirements of this specification.This publication specifies microfilter element performance in terms of single element tests only(no full-scale testingis required).This permits the purchaser maximum flexibility in the application of microfilter elements.Purchasers,however,should be aware that the design and application of full-scale vessels could impact field performance.Users should also be aware that the field performance of microfilters is affected by a number of parameters.Forexample an additive-containing fuel may subsequently disperse dirt particles collected by a microfilter from anadditive-free fuel such that particles are released to the fuel stream.The American Petroleum Institute and The Institute of Petroleum are not undertaking to meet the duties ofemployers,manufacturers or suppliers to warn and properly train and equip their employees,and others exposed,viiiconcerning health and safety risks and precautions,nor undertaking their obligations under local and regional lawsand regulations.Nothing contained in any American Petroleum Institute or Institute of Petroleum joint publication is to be construedas granting any right,by implication or otherwise,for