Thecompleteguidetoallplansforsupplyingmechanicalseals Relyonexcellence API 682 4th edition piping plans Introduction Asealingsystem,consistingof Thisguidingbookletprovidesacondensed Remark amechanicalsealandanassociatedsupply overviewofallpipingplansestablishedby systemthatisbalancedbyindividual theAPI6824theditionguidelines.Each Theconfigurationslistedforeachindividual applications,istheutmostguaranteefor illustratedpipingplanisbrieflydescribed, pipingplanaretobeunderstoodas areliablesealingpointanduninterrupted andarecommendationthatconsidersthe recommendationsincludingpossible pumpservice.Theperformanceoftheseal mediacharacteristicsintermsofthe utilizationswhichmayalsobeapplied. isgreatlyinfluencedbytheenvironment relevantapplicationandcorresponding aroundthesealfaces,makingtheprovision configurationsisgiventohelpyoureliably ofsuitable,cleanfluidsaswellas selectyoursealingsystem. amoderatetemperatureanessentialtopic. Furthermore,wehaveenriched thisbooklet'scontentbyprovidingclues –so-called ‘remarksandcheckpoints’– wherewesharetheexperienceswehave gainedfrommultipleequippedplants. OverviewonAPIpipingplans-locationandcharacteristics Processside Betweenseals Atmosphericside Plan01Internalcirculationinpump Plan52 Bufferliquidreservoir Plan51 Dead-endquenchreservoir, verticalpumps Plan02Deadended,cleanmedium Plan53A Barrierliquid,reservoir Plan61 Tappedconnections Plan03Taperedsealchamberbore Plan53B Barrierliquid,bladder forpurchaser'suse accumulator Plan11Circulation,pressureincrease Plan62 Externalquench Plan53C Barrierliquid,piston Plan12Circulation,pressureincrease accumulator Plan65A Leakagecollectionandalarm, +strainer reservoir Plan54 Externalbarrierliquidsystem Plan13Circulation,venting Plan65B Leakagecollectionandalarm, Plan55 Externalbufferliquidsystem Plan14Circulation,venting, reservoir Plan11+13,verticalpumps Plan71 Tappedconnections Plan66A Leakagedetectionandalarm, forpurchaser'suse Plan21Circulationviacooler twobushings Plan72 Buffergassystem Plan22Circulationviacooler,strainer Plan66B Leakagedetectionandalarm, Plan23Forcedloopviacooler Plan74 Barriergassystem orificeplug Plan75 Leakagecollectionandalarm, Plan31Circulation,cycloneseparator reservoir Engineered Plan41Circulation,cycloneseparator Plan76 Vaporleakagetoflare +cooler Plan99 Engineeredtocustomer’s Plan32Externalflush specifications Colorkey Symbolslibrary Planlocation: Instrumentsymbols Equipmentsymbols Processsideplans FO Floworifice Bladderaccumulator Betweensealsplans Atmosphericsideplans LI Levelindicator Pistonaccumulator Seals: LIT Leveltransmitterwithlocalindicator Cycloneseparator Stationarysealparts Differentialpressuretransmitter Filter,coalescing Matingring(stationary) PDIT withlocalindicator Rotarysealparts Floworifice PI Pressureindicator Sealring(rotating) Sealcooler Pressuretransmitterwithlocal PIT indicator Strainer,Y Pumpmedium TI Temperatureindicator Valve,normallyopen Temperaturetransmitter TIT withlocalindicator Valve,normallyclosed HLA Highlevelalarmsetpoint Valve,needle LLA Lowlevelalarmsetpoint Valve,check NLL Normalliquidlevel Valve,pressurecontrol Valve,pressurerelief EagleBurgmanninprofile EagleBurgmannandAPI682 EagleBurgmannisoneoftheinternationally Weofferourcustomersthewidestproduct leadingcompaniesforindustrialsealing portfolioofsealsandsealsupplysystems technology.Ourproductsareusedwherever accordingtoAPI6824thedition. safetyandreliabilityareimportant:intheoil andgasindustry,refiningtechnology,the petrochemical,chemicaland Asealingprovideryoucancounton pharmaceuticalindustries,foodprocessing, power,water,mining,pulp&paperand Morethan21,000EagleBurgmann manyothers.Morethan6,000employees API-sealsandsystemsareinstalled contributetheirideas,solutionsand world-wide. commitmenttowardsensuringthat customersallovertheworldcanrelyonour EagleBurgmannSPB6sealsupplysystemPlan53B sealsandservices. Learnmore aboutourproducts: eagleburgmann.com/api682 EagleBurgmannrangeofbalancedpusherandmetalbellowsmechanicalsealsacc.toAPI6824thed. Sealchamberdetails 2 3 4 1 Inlet 1 2 Flush(F),plugged(forpossiblefuture circulatingfluidorforventingonverticalpumps) 3 Quench(Q) 4 Drain(D) 5 Sealchamber 5 Exampleseal:EagleBurgmannAPItex-S singlepushermechanicalseal. A A Internalrecirculation Process side Plan 01 Plan 01 ApplicableEagleBurgmannseals Category1 Configuration1CW-FX: APItex-S Configuration2CW-CW: APItex-T Configuration3CW-FB: APItex-T Learnmore aboutourproducts: eagleburgmann.com/api682 Features Application Remarks,checkpoints • • • Plan01doesnotneedanyexternal Generallyusedforhorizontalpumps. Theflowoftheflushfluidmustbe • piping. Highlyviscousfluidswhichtendto sufficienttoremovetheheatfromthe • Actsasaninternalflushinglineforthe thicken,solidifyorpolymerize. mechanicalsealchamber. • • mechanicalseal. MoreapplicabletoANSIpumps. UnlikeinPlan11,theflushisseldom • Preventshighlyviscousfluidsfrom directedoverthesealfaces. • freezing/polymerizingatlower Notrecommendedfordirtyproductsas temperaturesbecausetheflushinglineis theywilltendtoclogtheflushingline. • notexposedtotheatmospherelikein Notapplicableforverticalpumps. Plan11. Plan 01 Integral(internal)recirculation fromthepumpdischargetothe sealchamber. Pumpmediacharacteristics • Highlyviscousmediawithatendencyto congealorpolymerizewhencooled. Configurations Location,function • 1CW-FX, Processside • 2CW-CW, Flushingandcooling 3CW-FB 1CW-FL*,2CW-CS*,3CW-BB*,3CW-FF*, 3NC-FB*,3NC-BB*,3NC-FF* *Possible,seeremarkonpage2. Sealchamberdetails 3 2 1 4 5 1 Flush(F),plugged(forpossiblefuturecirculating fluidorforventingonverticalpumps) 2 Vent(V),ifrequired 3 Heating/coolinginlet(HIorCI),heating/cooling outlet(HOorCO),ifrequired 4 Quench(Q) 5 Drain(D) 6 Sealchamber Exampleseal:EagleBurgmannLY9TC 6 singlestationarymetalbellowsmechanicalseal. A A Flushconnectionplugged Process side Plan 02 Plan 02 ApplicableEagleBurgmannseals Category1 CCaatteeggoorryy22//33 Configuration1CW-FX: Configuration1CW-FL: Configuration3NC-FB: APItex-S H75VA4-S,LL9UC,LEK777,SH,LY9SA, HRGS-DD,LNF992 Configuration2CW-CW: MBS682,LY9TC Configuration3NC-BB: APItex-T Configuration2CW-CW: CGSH-KD Configuration2NC-CS: H75A4-T,LL9DTUU,LL9DJUU,LY9DTSS, Configuration3NC-FF: H75LG4-C MBS682-PTA,LY9DZTT RGS-D Configuration3CW-FB: Configuration2CW-CS: APItex-T H75A4-C,LL9DTUE,LL9DJUE Configuration3NC-BB: Configuration2NC-CS: CGSH-KD H75LG4-C Configuration3CW-FB: H75A4-T,LL9DTUU,LL9DJUU,LY9DTSS, MBS682-PTA,LY9DZTT Configuration3CW-BB: H75A4-B,LL9DKUU,LY9DZSS,MBS682P-D Configuration3CW-FF: LL9DSUU,SH-D,LY9DSTT Learnmore aboutourproducts: eagleburgmann.com/api682 Features Application Remarks,checkpoints • • • Doesnotneedanyexternalpiping. Largeboresealchambers,preferably Thevaporpressuremarginintheseal • Coolingwaterorlowtemperaturesteam withacoolingjacket. chambermustbeconsideredcarefullyin • canbeusedinthesealchambercooling Lowspeedpumps. ordertoavoidflashing. • • jackettodecreasesealchamber Generallypopularinchemicalindustry. Providea12o'clockventwhenusedwith temperature. horizontalpumpswithcylindricalseal • UsedincombinationwithPlan62steam chambers. • quenchforhotprocessmedia. Alwaysuseacooling/heatingjacketfor cylindricalsealchambers. • Regularmaintenanceandcleaningofthe coolingjacketisrecommendedasthey arepronetofoulinginhightemperature applicationsandalsotendtobecome ineffectiveoveraperiodoftimedueto poorcoolingwaterquality. Plan 02 Dead-endedsealchamberwith norecirculationofflushedfluid. Flushconnectionsplugged. Pumpmediacharacteristics • Cleanfluidswithlowtemperaturesand higherspecificheat. • FluidswhichhaveadequatePTM (producttemperaturemargin). Configurations Location,function • 1CW-FL,1CW-FX, Processside • 2CW-CW,2CW-CS,2NC-CS, Lubrication 3CW-FB,3CW-BB,3CW-FF,3NC-FB, 3NC-BB,3NC-FF Sealchamberdetails 4 1 2 3 1 Flush(F),plugged(forpossiblefuture circulatingfluidorforventingonverticalpumps) 2 Quench(Q) 3 Drain(D) 4 Sealchamber Exampleseal:EagleBurgmannAPItex-S singlepushermechanicalseal. B A A Taperboredesignofsealchamber B Flushconnectionplugged Process side Plan 03 Plan 03 ApplicableEagleBurgmannseals Category1 Category2/3 Configuration1CW-FX: Configuration1CW-FL: Configuration3NC-FB: APItex-S H75VA4-S,LL9UC,LEK777,SH,LY9SA, HRGS-DD,LNF992 Configuration2CW-CW: MBS682,LY9TC Configuration3NC-BB: APItex-T Configuration2CW-CW: CGSH-KD Configuration2NC-CS: H75A4-T,LL9DTUU,LL9DJUU,LY9DTSS, Configuration3NC-FF: H75LG4-C MBS682-PTA,LY9DZTT RGS-D Configuration3CW-FB: Configuration2CW-CS: APItex-T H75A4-C,LL9DTUE,LL9DJUE Configuration3NC-BB: Configuration2NC-CS: CGSH-KD H75LG4-C Configuration3CW-FB: H75A4-T,LL9DTUU,LL9DJUU,LY9DTSS, MBS682-PTA,LY9DZTT Configuration3CW-BB: H75A4-B,LL9DKUU,LY9DZSS,MBS682P-D Configuration3CW-FF: LL9DSUU,SH-D,LY9DSTT Learnmore aboutourproducts: eagleburgmann.com/api682 Features Application Remarks,checkpoints • • • Doesnotneedanyexternalpiping. Pumpswithtaperboresealchamberand Nottobeusedwithcylindricalboreseal • Coolingofthemechanicalsealand withoutthroatbushing. chambers. • • ventingofthesealchamberisafunction Applicationswheremechanicalsealheat Exercisecautionforapplicationsinvolving ofthegeometryorflowenhancement generationisnotverysignificant. highsealchambertemperaturesaswell • featuresofthesealchamber. Applicationswheresolidsmaytendto aspressures. collectinatraditionalcylindricalbore sealchamber. • GenerallyusedforANSIpumps–with Category1seals. Plan 03 Circulationbetweentheseal chamberandthepumpcreatedby thedesignofthesealchamber. Flushconnectionsplugged. 1 Pumpmediacharacteristics • Suspendedsolids • Lowtemperatureandpressure Key Configurations Location,function • 1 Flush(F),plugged(forpossiblefuture 1CW-FL,1CW-FX, Processside • circulatingfluidorforventingonvertical 2CW-CW,2CW-CS,2NC-CS, Lubrication pumps). 3CW-FB,3CW-BB,3CW-FF, 3NC-FB,3NC-BB,3NC-FF Sealchamberdetails 5 1 2 34 1 Fromhighpressureregionofpump (pumpdischargeorpumpdischargepiping) 2 Flush(F) 3 Quench(Q) 4 Drain(D) 5 Sealchamber Exampleseal:EagleBurgmannH75VA4-S singlepushermechanicalseal. A A Flowcontrolorifice Process side Plan 11 Plan 11 ApplicableEagleBurgmannseals Category1 Category2/3 Configuration1CW-FX: Configuration1CW-FL: Configuration3CW-BB:* APItex-S H75VA4-S,LL9UC,LEK777,SH,LY9SA, H75A4-B,LL9DKUU,LY9DZSS,MBS682P-D Configuration2CW-CW: MBS682,LY9TC Configuration3CW-FF:* APItex-T Configuration2CW-CW: LL9DSUU,SH-D,LY9DSTT Configuration3CW-FB: H75A4-T,LL9DTUU,LL9DJUU,LY9DTSS, Configuration3NC-FB:* APItex-T MBS682-PTA,LY9DZTT HRGS-DD,LNF992 Configuration2CW-CS: Configuration3NC-BB:* H75A4-C,LL9DTUE,LL9DJUE CGSH-KD Configuration3CW-FB: Configuration3NC-FF:* H75A4-T,LL9DTUU,LL9DJUU,LY9DTSS, RGS-D MBS682-PTA,LY9DZTT Learnmore aboutourproducts: *Possible,seeremarkonpage2. eagleburgmann.com/api682