Dry Disconnects Couplings Fuel Couplers Break-aways€¦ · • Calculation of the required wall...

Cryogenic Products:

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• Dry Disconnects• Couplings• Fuel Couplers • Break-aways

3Cryogenic Dry Disconnects & Break-aways dixonvalve.com • 877.963.49662 Cryogenic Dry Disconnects & Break-awaysdixonvalve.com • 877.963.4966

Table of ContentsCryogenic dry disconnect couplings ...........................................................................................3-6 Specifications ................................................................................................................................................................3 Liquidnaturalgas(LNG)fuelcouplersformobilevehicles ...........................................................................................4 Howitworks ..................................................................................................................................................................5 Cryogeniccouplingsforhoseandpipeconnections .....................................................................................................6

Cryogenic break-away couplings .................................................................................................7-8 Specifications ................................................................................................................................................................7 Howitworks ..................................................................................................................................................................8

Power Emergency Release Couplings (PERC) ..........................................................................9-10 Specifications ................................................................................................................................................................9 Howitworksandillustration .......................................................................................................................................10

Cryogenic break-away couplings - cable release.........................................................................11 Specifications ..............................................................................................................................................................11

Dixon'scouplingsandretentiondevicesaredesignedtoworksafelyfortheirintendeduse.Theselectionoftheproperhose,coupling,andretentiondevice,andtheproperapplicationofthecouplingtothehoseareofutmostimportance.

Usersmustconsiderthesize,temperature,application,media,pressure,andhoseandcouplingmanufacturer'srecommendationswhenselectingtheproperhoseassemblycomponents.DixonrecommendsthatallhoseassembliesbetestedinaccordancewiththeAssociationforRubberProductsManufacturers'(ARPM)recommendationsandbeinspectedregularly(beforeeachuse)toensurethattheyarenotdamagedandhavenotbecomeloose.VisitARPMINC.comformoreinformation.

Wheresafetydevicesareintegraltothecoupling,theymustbeworkingandutilized.Theuseofsupplementarysafetydevicessuchassafetyclipsorsafetycablesisrecommended.

Ifanyproblemisdetected,couplingsmustberemovedfromserviceimmediately.

Dixonisavailabletoconsult,train,andrecommendtheproperselectionandapplicationofallfittingswesell.WestronglyrecommendthatdistributorsandendusersmakeuseofDixon'stestingandrecommendationservices.Call877.963.4966orclickdixonvalve.com tolearnmore.

Safety


Cryogenic Dry Disconnect Couplings

Applications:• Containerdischarge• Fuelbunkering• Loading/unloadingoftanktrucks,railcars,andshiptankers• Vaporrecoverylines

Sizes:• 1" - 6"

Features:• Single-actionoperationusesastraight-forwardturningmotiontoconnectthecouplingsandopentheflowpath• Safeandreliable:valvecannotbeopeneduntiltheunitiscoupledanditclosesautomaticallywhendisconnecting,eliminatingspills• Usedwithawiderangeofcryogenicliquefiedgaseswithouttheriskofcrossconnectionduetohumanerror• Over6,000LNGfuelbunkeringoperationssince2013

Material:• Stainlesssteel

Specifications:• Connections:femaleNPT,flangedENandANSI,othersavailableonrequest• Workingpressure:1"to4"at360 PSI,6"at230 PSI• Minimumworkingtemperature:-328°F (-200°C)

Approvals

•MeetsrequirementsforUSCG16715CG-OESPolicyLetterNo.02-15useofdrydisconnectsandbreak-awaycoupling/selfsealingquickrelease

•ConformstoISO/DTS18683dimensionsfordrydisconnectsusedforbunkering•MeetsMSC95/3/4(IGFcode)Section8.5Requirementsforbunkeringsystem•MeetsTheSocietyforGasasaMarineFuel(SGMF)SafetyGuidelinesforBunkering•DNV,NKKandBVtypeapproved


Dry Disconnect Couplings for Fueling Mobile Equipment

Applications:• Fuelingon-highwaytrucks• Fuelingoff-highwaymobileequipment

Size:• 2",contactDixonforothersizes

Features:• Single-actionoperationusesastraight-forwardturningmotiontoconnectthecouplingsandopentheflowpath• Safeandreliablesystem: -valvecannotbeopeneduntiltheunitiscoupled -valveclosesautomaticallywhendisconnectingcoupler -asafetydetentapplieswhendisconnectingcoupler

• Usedwithawiderangeofcryogenicliquefiedgaseswithouttheriskofcrossconnectionduetohumanerror

Material:• Stainlesssteel• PTFEseals

Specifications:• CouplerconnectionisfemaleNPT• Receptacleisflangedforeasyinstall,orfemaleNPTconnection• 360 PSIworkingpressure• -328°F (-200°C) minimumworkingtemperature

LNG fueling application on off-highway mining truck

Approvals• ConformstoISO/DTS18683• DNV,NKKandBVtypeapproved


Cryogenic Dry Disconnect CouplingsHow It Works

To disconnect:Turnandpull-it'sreleased,nospillage

To connect:Pushandturn-it'scoupledatfullflow

Flow Diagram

Drycryogeniccouplingsconsistofatankunitoradapterwithaspringloadedpoppetandahoseunitorcouplerwithavalvedrivenbyaninternalcam.Tocouple,simplyaligntherollersonthecouplerwiththenotchesontheadapter,pushthecouplerontotheadapterandrotatepast100degrees.Thissimpleprocesslocksthecouplingtogether,createsaself-sealandopenstheinternalvalvesforfullflowwithlowpressuredrop.Theduelpoppetdesignshut-offmechanismsafelysealsliquidsandgasesbehindthevalve,eliminatingfugitiveemissionsandthedangerofaspillofcryogenicfluids.


LNG Couplings

LNG30BRHEhose end with plug

LNG30BRFE-NCfixed end

LNG30BRFEfixed end with cap

LNG30BRHE-NChose end

LNGBRHEPLUGhose end plug

LNGBRFECAPfixed end cap

LNG30FESEALseal

LNG30BRHENUThose end

Application:• SafeandreliabletransferofcryogenicLNGproductsto

transportequipmentsuchascargotanks,portabletanks,andliquifiednaturalgasliquidproductionfacilities

Sizes:• 2",3"

Features:• Fixedenddesignthreadsontanktruckpipeconnectionline,

manifold,pipeoutlet,orpipeconnection• PTFEgasketreducesforceneededtomakeatightconnection• Connectbyhammeringtheacmethreadednutontoafixedend• HoseenddesignedfemaleNPTthreadtoattachedtohoseend• Snapringkeepsconnectionnutinplaceforeasierconnecting• Hoseendlugsintendedtobestruckwithanon-sparking

hammerorsimilarnon-sparkingdevice

Materials:• Body:brass• Seal:PTFE

Specifications:• CompatiblewithLNGcouplingsmadetoCGAguidelines• Temperatureaslowas-320°F (-196°C)atstandardLNG

transferpressures• 450 PSIworkingpressurewith4-to-1safetyfactor

Size Description Part Number2" LNG30fixedendwith2"femaleNPTthread/capandretainingcable LNG20BRFE3" LNG30fixedendwith3"femaleNPTthread/capandretainingcable LNG30BRFE3" LNG30fixedendwith3"femaleNPTthread LNG30BRFE-NC3" LNG30PTFEseal LNG30FESEAL

CapforLNG30BRFEandLNG20BRFE LNGBRFECAP

Size Description Part Number2" LNG30hoseendwith2"femaleNPTthread/withplugandretainingcable LNG20BRHE3" LNG30hoseendwith3"femaleNPTthread/withplugandretainingcable LNG30BRHE3" LNG30hoseendwith3"femaleNPTthread LNG30BRHE-NC3" LNG30swivelnut LNG30BRHENUT

PlugforLNG30BRHEandLNG20BRHE LNGBRHEPLUG

Approvals• MeetsCGAV-6LNG-30guidelines


Cryogenic Break-away Couplings

Applications:• Containerdischarge• Fuelbunkering• Loading/unloadingoftanktrucks,railcars,andshiptankers• Vaporrecoverylines

Sizes:• 1" - 6"

Features:• Operatesindependentlyofshut-offsafetysystemanddoesnotrequireanexternalpowersource• Lightweight,easytoresetandrepaironsitewithoneperson• Highflowrate/lowpressuredrop• Positiveshut-offofbothcouplinghalvesresultsinminimumproductloss• Passivesecuritywhereahoseorloadingarmcouldbesubjectedtoinadvertentexcessiveloads• Canbeinstalledatfixedpointsorinthemiddleofhosestrings• Availableasindustrialormarinetypes• Noloosecomponentsthatcouldbelostafterrelease

Material:• Stainlesssteel

Specifications:• Connections:femaleNPT,flangedENandANSI,othersavailableonrequest• Workingpressure:1"to4"=360 PSI,6"=230 PSI• Minimumworkingtemperature:-328°F (-200°C)


How It Works

Thesafetybreak-awayvalveconsistsoftwohalves,eachwithavalvethathasanO-ringseal.

Whenthecryogenicbreak-awaycouplingsseparate,thevalvesareabletoclose.Thetwovalvescloserapidly,minimizingexposuretopersonnelandtheenvironment.

Thecryogenicbreak-awaycouplingshavethreeexternalbreakbolts.Inthecaseofaxialtensionalltheboltstakeuptheforcecorrespondingtothebreakforceonthehosewithasafetymargin.

Non-axialforcesconcentratethetensionforcesmorestronglyononebolt,sothatthesafetybreak-awaycouplingreactsinanaturalwaytothereductionofthehosebreakforces.

BEFORE emergency disconnect AFTER emergency disconnect

Cryogenic Break-away Couplings

Flow Diagram


Applications:• Fuelbunkering• Loading/unloadingoftanktrucks,railcars,andshiptankers• Vaporrecoverylines

Sizes:• 4"(DN100)to8"(DN200),othersonrequest

Features:• Twohalvesclosewhenthereisexcessiveforceorwhenpressurizednitrogenisintroducedtothecouplinghalvesfromacontrolunittobreaktheboltsandseparatethecouplings

Materials:• Stainlesssteel• Seal:PTFE

Specifications:• CalculationoftherequiredwallthicknessismadeaccordingtoEN12516-2• MaterialissuitableforusewithLNGandnitrogento-328°F(-200°C)accordingtotherecommendationsinEN1160

• 1.4404conformstospecificationEN10272• 316LconformstospecificationANSIA479• Connections:NPTthread,EN1092(DIN)orANSIB16.5flanges,othersonrequest

• Temperaturerange:-328°F(-200°C)to150°F(65°C)• Recommendednitrogensupplypressure:200Bar(min150Bar)• Recommendednitrogenlatentsealpressure:2Bar• Recommendedtube/hoseinternaldimension:max6.35mm(¼")• Recommendedtube/hoselength:max100m(smoothsurfacehose)• Timetorelease:<2sec• Gasconsumption:max~0.6m3

Power Emergency Release Coupling (PERC)

Size NominalSize PSI StandardBreakForce(kN) MaximumBreakForce(kN)4" DN100 360 PSI 52 856" DN150 230 PSI 92 1328" DN200 230 PSI 165 270

N2 Port

Poppet

Breaking Bolt

Example of power emergency release coupling


TheMannTekCryogenicPERCdesigncombinesthepassivesafetyfeatureknownfromourbreakingpintypebreak-awayswiththeabilitytoseparateoncommandwithoutanyforceonthehose.Whenactuatedbyaremotecontrol,apressurizedgascylinderwillopenandgaspressurewillovercomethebreakingbolts.ThePERCsystemcorrespondstostandardEN1474-1:2008

Breaking Pin TypeBreak-aways

•SAFE!

• SEPARATE ON COMMAND!

ESD Valve

Bunker Station

Spray Bar

Cryogenic Adapter

Cryogenic Coupler

Crane

Cryogenic Adapter

Cryogenic Coupler

TRUCK to SHIP Bunkering

Tanker Truck

Cryogenic Breakaway PERC

PERC Power Pack

PERC Activation Control

PERC N Activation Hose2

LNGFuel Tank

Power Emergency Release Coupling (PERC)


Cryogenic Break-away Couplings - Cable ReleaseApplications:• Plantengineering,powerplantconstruction,chemicalindustry,foodprocessing,processtechnology,andtankcleaning

• Fillingsystems:railroads,railcars,tanktrucks,ships,tankcontainers,andliquefiedgas

Sizes:• 1"(DN25)to8"(DN200),othersonrequest

Features:• Sturdydesign• Safeoperation• Releaseangleupto90°bycableactivation• Maintenancefriendly• Breakforcedoesnotchangewithsystempressureor angleofpull

• Protectssystemcomponentsbyminimizingtheamountofstressplacedonsystem

Materials:• Stainlesssteel• Seals:PTFE

Specifications:• CalculationofwallthicknessismadeaccordingtoSS-EN12516-2

• MaterialissuitableforusewithLNGandNitrogento-328°F (-200°C)accordingtotherecommendationsinEN1160

• Connections:NPTthread,EN1092(DIN)orANSIB16.5flanges,othersonrequest

• Temperaturerange:-328°F(-200°C)to150°F(65°C)• Pressure:PS25Bar• 1.4404conformstospecificationEN10272• 316LconformstospecificationANSIA479

Size NominalSize MAWP1" DN25 360 PSI2" DN50 360 PSI3" DN80 360 PSI4" DN100 230 PSI6" DN150 230 PSI8" DN200 230 PSI

Example of cable release coupling

Dixon®, founded in 1916, is a premier manufacturer and supplier of hose couplings, valves, dry-disconnects, swivels, and other fluid transfer and control products. The company’s global reach includes a wide range of products for numerous industries including petroleum exploration, refining, transportation, chemical processing, food & beverage, steel, fire protection, construction, mining, and manufacturing. Dixon®'s, strategic objective is to create solutions that make products safer, leak-free, longer lasting, and always available.

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Dry Disconnects Couplings Fuel Couplers Break-aways€¦ · • Calculation of the required wall...

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