2. ICS
  3. BP520 Series

ICS BP520 Series, BP520 User manual

  • Hello! I'm your chat assistant. I have reviewed the Dynisco BP520 Burst Plug Installation Instructions and am ready to assist you with any questions. The document covers important aspects such as proper installation, safety precautions, and the burst indication system. I can help you understand how to install the device correctly and ensure the safe operation of the pressure-relief system. The manual emphasizes the use of specialized tools and proper torque to avoid leakages.
  • What should I do before installing the rupture disk?
    What is the user responsible for regarding venting?
    What to do if I notice imperfections on the receiving equipment?
    How much torque is required for the assembly?
From lab to production
providing a window into the process
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DyniscoBP520BurstPlugs
Reliable,SecurePressure‐ReliefSystem
withBurstIndication
InstallationInstructions

From lab to production
providing a window into the process
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WARNING:
a. Readthecompleteinstructionsbeforeattemptingtoinstalltherupturedisk.Beforeusingthispiece
ofequipment,consultyourplantsafetyofficerforlocalrequirements.
b. Itistheuser’sresponsibilityforthedesignofadequateventingandinstallationofadequatevent
piping.Theburstpluginnerdiameterandanyattachedventtubingmustnotlimittheflowand
preventpressurefromadequatelyventingafteraburst.Itistheuserresponsibilitytoensureproper
ventingofasystemtorelievethespecificpressure.
c. Locatetherupturediskwherepeopleorpropertywillnotbeexposedtothesystemdischargeinthe
eventofrupture.Venttoxicorflammablefumestoasafelocationtopreventpersonnelinjuryor
propertydamage.
d. Theburstpressureoftherupturediskisdirectlyaffectedbyitsoperatingtemperature.Itisthe
user’sresponsibilitytospecifythecorrectburstpressureratingandtoinstalltheburstplugina
locationoperatingwithinitsspecifiedtemperaturerange.Failuretoutilizearupturediskwithinits
operatingtemperaturecouldcauseprematurefailureorover‐pressurizationofthesystem.
e. Itistheuser’sresponsibilitytoensurethattheburstplugsnoutlengthandtemperaturegradient
areappropriatesothatafterburst,moltenpolymerflowssufficientlytopushtheT‐capouttheend
ofthesnout.Failuretodosocouldresultinpolymersolidifyinginthesnoutandoverpressurizing
ofthesystemandnoelectricalburstindication.
f. Itisrecommendedthattheuserinstallandburstasampleplug,toconfirmthattheburstplug
functionscorrectlyintheirparticularapplication.
g. Theintendedfunctionoftheelectricalindicationistoalertpersonneltotheoccurrenceofburstto
helppreventtheaccumulationofexpelledpolymer.Itshouldnotbeutilizedaspartofasafety
systemdesignedtoprotectpersonnel.It’spossiblethatoncethewireisshearedafteraburst,the
shearedendsofthewirewillnotseparatefromthesnoutormaycontactanothercommon
electricallyconductivesurface.Thiscouldresultinfailureofelectricalburstindication(stillshowing
aclosedcircuitafterburst).Itistheusersresponsibilitytoevaluatetheconsequencesof
unintentionalshorting,openingorgroundingofthewire.
h. Particlesmaydischargewhentherupturediskruptures.Theseparticlesmaybepartoftherupture
diskitself,orotherenvironmentalmatterinthesystem.Ititheuser’sresponsibilitytoensurethat
theparticlesaredirectedtoasafeareatopreventpersonnelinjuryorpropertydamage.
i. Rupturediskservicelifeisaffectedbycorrosion,creepandfatigue,andphysicaldamage.These
conditionswillderatetherupturedisktoalowerpressure.Theusershouldbepreparedtohandlea
prematurefailureoftherupturedisk.Themediaorotherenvironmentalconditionsshouldnot
allowforanybuilduporsolidificationofmediaontherupturedisk.Thismayincreasetheburst
ratingoftherupturedisk.
From lab to production
providing a window into the process
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j. Dyniscorupturedisks,wheninstalledcorrectly,willprovideaverygoodsealforliquidsandmost
gasesorvapors.However,Dyniscocannotguaranteetheleakagerateofthedisksealwithoutprior
knowledgeoftherequirementanddetailsofthepipinglayout.ConsultDyniscoforguidanceif
leakageiscriticaltotheinstallation.
k. Thecustomerand/oritsinstallershallberesponsiblefortheproperinstallationoftherupturedisk
deviceintoasystem.Recommendedtorquevaluesdonotconsiderpipingstressoralignment.
l. Customerand/oritsinstallersshallberesponsibleforimproperinstallationandphysicaldamage
resultingtherefrom,including,butnotlimitedto,damageresultingfromleakage,improper
torqueing,and/orfailuretofollowinstallationinstructions.
m. DyniscostandardTermsandConditionsofSaleapplyunlessotherwisestated.

From lab to production
providing a window into the process
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Removal,InspectionandPreparation:
1 RemovingtheexistingAssembly
a Burstplugsshouldonlyberemovedaftertheextruderhasbeendepressurizedandthepolymer
isstillmolten,eveniftheburstplughasburst.
b Ifremovinganintactburstplug,wipetipwithasoftclothimmediatelyafterremoval.Theburst
plugmustberemovedbeforeusinganabrasivematerialorwirebrushtocleantheextruder
barrel.
c Loosenandremovetheburstassemblywiththeappropriatetool.Takecarenottodamagethe
receivingequipment.
2 InspecttheReceivingEquipment
a Inspecttheseatareaforanyscratches,dents,ornicks.Imperfectionsonthesesurfacescan
causeleaks.DONOTUSEifanyscratches,dentsornicksaredetected,(contactDynisco
immediatelyforinstructions).
b Inspectandcleanthereceivingthreads,usethreadchaseorothersuitablecleaningdevice.
Threadsmustbeingoodconditiontoreceivetherupturediskdevice.UtilizetheDynisco
MachiningtoolkitforproperholesizingandDyniscocleaningkitforholeinspection.
3 InspecttheRuptureDiskDevice
a Carefullyremovetherupturediskdevicefromitspackagingandchecktheseatarea,exposed
threadsandpre‐bulgedsurfaceofthediskforanyscratches,dents,ornicks.Imperfectionson
thesesurfacescancauseleaks.DONOTUSEifanyscratches,dentsornicksaredetected,
contactDyniscoimmediatelyforinstructions.
b Installationofadamagedassemblymayresultinprematureruptureofthedisk.
BurstPlugInstallation:
1 Topreventgalling,lightlycoatburstplugthreadswithahightemperatureanti‐seizematerial.
2 Insertthenewassemblyintothepre‐tappedopeninginthereceivingequipment.
3 Startthreadingbyhandtoensurethethreadsarematchedandingoodcondition.DONOTFORCE
THETHREADS.Continuethreadingtheassemblybyhanduntilfullyseated.
4 Anadequateseal,inaproperlymachinedandmaintainedport,isobtainedwith100in‐lbsmounting
torque.Maximumrecommendedtorqueis500in‐lbs.Tightenasrequiredtopreventleakagewith
theappropriatetool(wrench,screwdriver,spanner,etc.)DONOTOVERTIGHTENasthiscandamage
sealingsurfacesandthreads.
5 Forassemblieshavingtaperedpipethreads;useTeflontapeorothersuitablepipethreadsealants
asrequiredifcompatiblewiththeprocessmedium.

From lab to production
providing a window into the process
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BurstIndicationInstallation:
BP520plugsaresuppliedwithintegral‘poptop’styleindication.A26AWGindicatorwireispre‐
assembledintotheunitandsuppliedwithbareleads.Thewireisthreadedthroughthehex‐headofthe
burstpluganda‘T’shaped‘poptop’cap.Whentheburstplugruptures,theT‐capispushedoutbythe
subsequentflowingmedia,shearingtheburstindicatorwire,openinga‘normallyclosed’circuitand
indicatingabursteventtoamonitoringdevice.TheT‐capisattachedtoametalretainerstrapdesigned
tohold&securetheT‐capfollowingaburstevent.
1. WARNING:BurstPlugsandindicationmustbeproperlyinstalledandsafelyventedinordertoavoid
injury,damageandlossofproduct.
2. WARNING:DonotinstalltheBP520burstplugwithoutthemetalretainerstrapproperlyinstalled
underthehexheadoftheplug.
3.
ElectricalConnection
i.
Only competent qualified personnel should install and complete the BP520 electrical
connections.Itistheendusersresponsibilitytoensureasafeinstallationthatiscompatiblewith
userelectricalrequirements.Theendusershouldevaluatetheconsequencesintheirsystemof
shorting,openingorgroundingofthewire.
ii.
Theburstindicationwire,ifprovidedbyDynisco,hasanoperatingtemperaturerangeof‐73Cto
205C,andisratedtocarryacurrentof1Aat30C.
iii.
Theburstindicationwiring/circuitshouldideallybeconnectedtoalatchinginput.Withalatching
inputiftheburstindicationcircuitopensatanytime(evenmomentarily)theinputshouldlatch
totheopenposition.
iv.
Aftertheburstindicationwirehassheared,theendsoftheburstindicationwiremayhavelive
voltages.Takenecessaryprecautionstoavoidinjurytoequipmentandpersonnel.
4.
IntrinsicallySafeInstallations(whererequired)
i. TheBP520withintegralpop‐topindicationisnotintrinsicallysafebyitself,butisintrinsically
safeonlywhenemployedinaproperlydesignedintrinsicallysafesystem.
ii. TheBP520withintegralpop‐topindicationisapassive“simpleapparatus”conceptallowingit
tobeusedinintrinsicallysafesystemswithouttheneedforcertification.
iii. Ifrequired,refertoANSI/ISA‐RP12.06.01fortheRecommendedPracticeforIntrinsicallySafe
Systems.
From lab to production
providing a window into the process
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BP520BurstPlug
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