flow, pressure,andon/off controldevices
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MicrometeringValves
Micrometering (needle) valves
combine theeaseof connection
associatedwithValcozerodead
volumefittingswithconvenient
bulkheadmounting. Thevery low
internal volumeandprecisiondesign
make thisvalve ideal foruseasagas
control valve inchromatographic
systems.
TheViton
®
model is ratedat 225°C,
whileaversionwithKalrez™ seals is
capableof continuousoperationat
315°C. Thisallowsaneedlevalve to
bemounteddirectlywithinaheated
oven, facilitatingcontrol of flow
1/16"micrometeringvalves
withValcofittings
Seal
Lubrication
ProdNo
Standard:
2–225ml/min@15psiN
2
inlet
Viton
Lubricated
ZBNV1
Viton
Non-lubricated
ZBNV1-D
Kalrez
Non-lubricated
ZBNV1-KZ
Finecontrol:
2–175ml/min@15psiN
2
inlet
Viton
Lubricated
ZBNV1F
Viton
Non-lubricated
ZBNV1F-D
Kalrez
Non-lubricated
ZBNV1F-KZ
Lowflow:
2–90ml/min@40psiN
2
inlet
Viton
Lubricated
ZBNV1LF
Viton
Non-lubricated
ZBNV1LF-D
Kalrez
Non-lubricated
ZBNV1LF-KZ
1/16"micrometeringvalves
with18" tubes
Seal
Lubrication
ProdNo
Standard:
2–225ml/min@15psiN
2
inlet
Viton
Lubricated
BNV1
Viton
Non-lubricated
BNV1-D
Kalrez
Non-lubricated
BNV1-KZ
Lowflow:
2–90ml/min@40psiN
2
inlet
Viton
Lubricated
BNV1LF
Viton
Non-lubricated
BNV1LF-D
Kalrez
Non-lubricated
BNV1LF-KZ
INLET
OUTLET
switching inmultidimensional systems
whilekeeping thegasesatoven
temperature.
Valvesare rated formaximumof
1000psi gas. Theyare individually
testedonamass spectrometer
leakdetector toahelium leak rate
specificationof<1x10
-8
atmcc/sec.
Anunlubricatedversionwitha
speciallypolished seatwasdesigned
tobeusedwithourpulseddischarge
detectors,and shouldbeused
upstreamof anyultrapuregas system.
There isalsoa1/16" tubeversion.
CHROMalyticTECHnologyPtyLtdAUSTRALIANDistributors e-mail:
: 039762 2034
