eCl@ss32060101
Properties:
| RelatedCategories | 6-PortSamplingandSwitchingValve,Analytical/Chromatography,GCAccessories,GasChromatography(GC),InstrumentUpgradesandMaintenance, |
| feature | numberofports6 |
| mfr.no. | VICIValco® |
| maximumtemperature | 175 °C |
| fittingsize | 1/16 in. |
Description:
Application
Foreflushingallowsyoutoseparatelowmolecularweightcompounds.Intheexampleshown,C1-C5hydrocarbonsarerapidlyelutedfromColumn1ontoColumn2(positionA).WhenthevalveisswitchedtopositionB,C6andheaviercompounds(whichhavemovedslowlythroughColumn1)areelutedfromColumn1tothedetector.C1-C5hydrocarbonsareelutedfromColumn2backontoColumn1,thentothedetector.
Generaldescription
Samplingvalvebasicallysupportsthediscretevolumesofthetreatedsamplesstreamtoperiodicallyinjectintothecarriergasstreamofthechromatograph.Samplingvalvesarefittedwithelectricorpneumaticactuatorswhichhelpthemtobeoperatedautomatically.Switchingvalvearecriticalifbinarypumpsareused.Itallowsemploymentofdifferentdesiredmobilephases.Switchingvalveconsistsoffiveparts:controlunit,connectingdevice,valvebody,arotorandpreloadedassembly.
LegalInformation
ValcoisaregisteredtrademarkofValcoInstrumentsCo.Inc.
