氢气瓶高压阀门TV 2XX seriestankvalvemanual汇总.docx

氢气瓶高压阀门TV 2XX seriestankvalvemanual汇总.docx

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氢气瓶高压阀门TV2XXseriestankvalvemanual汇总

350BAR

INTERNALSOLENOID

TANKVALVE

REFERENCEMANUAL

TV-2XXVALVES

Specificallydesignedfor350barHydrogen,theIMPCOGFIsolenoidoperatedinternaltank

VDC24bothAvailablein12VDCandsafety.storageprovidesvalveenhancedsystem

models.Anintegratedtemperatureandpressureactivatedreliefdeviceensurestotalsystem

safetybyensuringtankprotection.

Note:

Notallmodelsexactlyasshown.

2014IMPCOTechnologiesCanadaInc.?

GFIP224

1GFI350BarInternalSolenoidTankValve

CONFIDENTIALITY

Theinformationcontainedinthisdocumentisconfidentialand

proprietarytoIMPCOTechnologiesControlSystems.This

informationcannotbedisclosedtootherpartieswithoutwritten

authorizationfromIMPCOTechnologies.Thisdocumentis

intendedonlyforcustomersengagedinacurrentconfidentiality

agreementwithIMPCOTechnologies.

DISCLAIMER

Althougheveryefforthasbeenmadetoprovidecompleteand

accurateinformation,IMPCOTechnologiescannotguarantee

performancebasedsolelyonthisdocument.

TableofContents

PHYSICALDIMENSIONS...................................................................................2

GASSCHEMATICANDSPECIFICATIONS.......................................................4

ELECTRICALSCHEMATICANDSPECIFICATIONS........................................6

TEMERATURESENSOR....................................................................................7

OPTIONALCONNECTORANDMATINGCONNECTOR..................................8

PRESSURERELIEFDEVICE（PRD）..................................................................9

MANUALLOCKDOWN.......................................................................................9

DIAGNOSTICS...................................................................................................10

SERVICCHECKS...............................................................................................14

SPECIALTOOLS...............................................................................................15

APPLICATIONCONSIDERATIONS..................................................................16

2014IMPCOTechnologies.

GFIP224?

PrintedinCanada

2GFI350BARInternalSolenoidTankValve

PHYSICALDIMENSIONS

Theinternaltankvalveisintendedtofitintoastandard2-12UNtankthread,withonly2”[50.8mm]protruding

beyondtheneckofthetank.Tokeepspacerequirementstoaminimum,allconnectionsareradialtothetank

neck.Eventhemanuallockdowncanbeaccessedfromtheside.

Weight（w/osensors）:

1.925lbs0.87kg

Mainmaterialsingascontact:

0.105L

Tankvolumedisplaced:

6.4cu.in.-Nitrile

-6061-T6aluminum9/16-18

Inlet/Outletports:

-Glass-DupontVespel

SAEJ1926/1,-6O-ring

-18-8Stainlesssteel-Delrin

PRDPort7/16-20UNF

-430Fand?

FRStainless-Copperwire,insulation

SAEJ1926/1,-6O-ringsteel-Heatshrinktubing

Tankthread:

2-12UN

2014IMPCOGFIP224?

TechnologiesPrintedinCanada

3GFI350BARInternalSolenoidTankValve

Minimumclearancesinsidethetankaregivenbelow.Thesearenotaglandortankdesign,butonlydesignated

minimumclearances.

Gas:

Hydrogen

5075psiNominalpressure:

350Barg

6350psiMax.overfillpressure.438Barg

20,300psiMin.burstpressure:

1400Barg

-40oOperatingtemperature:

Cto+85oC

0.7Cv,inlettotank

~1.2

Cv,inlettooutlet

2014IMPCOGFIP224?

TechnologiesPrintedinCanada

GFI350BARInternalSolenoidTankValve

4

GASSCHEMATICANDSPECIFICATIONS

GENERAL

2014IMPCOGFIP224?

TechnologiesPrintedinCanada

GFI350BARInternalSolenoidTankValve

FILLINGThesolenoiddoesnotneedtobe

poweredtofill.Apressuredifferentialofabout2bar（30psi）opens

thesolenoid.Itthenactsasacheckvalve,preventingflowbackout.

Thehighpressuresensorreadspressureneartheinlet,notinsidethe

tank.Athighfillrates,itreadshigherthanthepressureinthetank,

duetopressurelossesthroughthevalve.

Thetemperaturesensorreadsthetemperatureofthegasinsidethe

tank.

RUNNING

Energizethesolenoidtoopenthevalve.

Thehighpressuresensorreadsthetank

pressure.

Usingthemanualoverridetoolhasthesameeffectasusingthe

solenoid.

WARNING:

Useofthemanualoverridetoolwilldamagethesolenoid

pistonsealandthevalvemustbereplaced.Returnthedamaged

valvetoIMPCOTechnologies.

CLOSED

Similarconditionexistsifthemanual

lockdownisused.

OnlythePRDisconnectedtotank

pressure.ThePRD

cannotbeisolatedfromthetankpressure.

Thetemperaturesensorstillreadsgastemperature.

Thepressuresensorisnotconnectedtothetankandcould

beremovedifthelinesaredrainedandthemanuallockdown

isclosed.

GFIP224?

2014IMPCO

TechnologiesPrintedinCanada

GFI350BARInternalSolenoidTankValve6

ELECTRICALSCHEMATICANDSPECIFICATIONS

Nominalvoltage:

12V24VSOLENOIDMax.voltage:

Current:

Thesolenoidisnotpolaritysensitive.ATransientclipvoltage:

transientsuppressorisinstalledtoabsorb

thevoltagespikethatoccurswhentheResistancesolenoidisreleased.Thiskeepsthereversevoltagespikedownto40volts,forDielectricStrengthofcoilabout3milliseconds.DutyCycle

SensorSupplierSpecifications

NTCTYPE

2.7Kohms+/-2%R25C

2%Tolerance

18V36V

1amp

40V

19.2+/-5%71.82+/-5%ohms@20C@20c

1000VRMS1000VRMS

ContinuousContinuous

TYPICALVOLTAGEANDCURRENTPROFILES,12VCOIL202OFFON10002030507080-10EGATLO-20V-30-40-50

10

4060

10

90

100

-1

MILLISECONDSVoltageCurrent

-2

-3

-4

-5

2014IMPCOGFIP224?

TechnologiesPrintedinCanada

7GFI350BARInternalSolenoidTankValve

THERMISTOR

Thethermistorisonthepressuresideofthevalve,insidethetank.Becauseofthislocationthesensorreads

theactualgastemperatureatthatpoint.However,underhighflowconditions,temperaturedifferencesofover

30?

Chavebeenmeasuredbetweenvariouspointsinthetank.Thisissomethingthatmustbetestedingiven

tanksetups.

10sThermalTime

Constant

2mW/CThermalDissipation

.25WPower@25C

1.25W

Power@85C

OPTIONALCONNECTORAND

MATINGCONNECTOR

IMPCOTechnologiescansupplythetankvalve（including

temperaturesensor）witheithera16”（40cm）

unterminatedpigtailorwithastandardconnectoronthe

endof6”（15cm）ofwire.

2014IMPCOGFIP224?

TechnologiesPrintedinCanada

9GFI350BARInternalSolenoidTankValve

PRESSURERELIEFDEVICE（PRD）

ThevalveisequippedwithaPRD,toventthetankintheeventofafire.Whenthevalveisexposedto

excessiveheat,thePRDopensandventsthetankthroughtheventport.Modelsareavailablewitheither

103oC（217oF）or109oC（228oF）.Modelnumbersendingin“0”,suchasTV-110are103oC,whereasthose

endingin“5”are109oC.The103oC（217oF）containscadmium,whichisbeingphasedout,whiletheotherdoes

not.IMPCOTechnologiessuggeststhatthenon-cadmiumversionbeusedunlessthereisalegacyreasonto

dootherwise.

ThePRDispermanentlyconnectedtotheinteriorofthevalve.Becauseofthis,itcannotbeintentionallyor

unintentionallyshutoff.

ThePRDiscapableofflowingabout200gramspersecondofhydrogen,althoughactualflowrateswillvary.

Theventlineshouldbesizedtoadequatelyhandlethisflow,andtoguideitsafelyaway.Thelinemustalsobeprotectedfromintrusionofwaterorothercontamination.

MANUALLOCKDOWN

Thevalveincludesamanuallockdownforservicework,whichshutsoff

allflowintoandoutofthetank.Thelockdownisa1/4hexlocatedon

thefaceofthevalve（seepage2fordiagram）.Itisnormallyturned

counterclockwisetothefullyopenposition.Byturningitclockwiseto

5.4Nm[4ft-lbs],theonlyflowpathintoandoutofthevalve（exceptthe

PRD）isclosed.Openingthesolenoidwillhavenoeffect.

Whenanyworkisdoneonthevalveorrelatedlines,engagethemanual

lockdown.Ifanyleaksaredetectedinthesystem,engagethemanual

lockdown.

Aseparatetoolisavailabletomanuallyforcethesolenoidtoopen.Thisisonlytobedonewhenthesolenoid

hasfailedandisnotcapableofopeningunderpower.Oncethefailureofthesolenoidisconfirmed,thelines

intoandoutofthevalveneedtobeemptied.Thebuilt-inmanuallockdownisremoved,andreplacedwiththe

manualoverridetool（seetheSpecialToolssection）.Thishasthesameeffectasactivatingthesolenoid.This

shouldonlybedoneifthesolenoidcannotbeopenednormally,asitcandamagethevalve.

TManualOverrideToolProcedures”-Themanualoverridetoolshouldbeusedinaccordancewiththe“06396（Document#GFIP258）suppliedwiththeoverridetool,oravailablefromIMPCOTechnologies.

WARNING:

Useofthemanualoverridetoolwilldamagethesolenoidpistonsealandthevalvemustbe

replaced.ReturnthedamagedvalvetoIMPCOTechnologies.

2014IMPCOGFIP224?

TechnologiesPrintedinCanada

10

GFI350BARInternalSolenoidTankValve

DIAGNOSTICS

Ifproblemswiththevalvearesuspected