actuatorsandaccessories
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Valco InstrumentsCo. Inc. Sales:
800–367–8424
Fax: 713–688–8106
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199
DigitalValve Interface (DVI) andPositionFeedbacks
DVI
Digital valve interface
for twopositionairactuators
Wehighly recommend theDVI forusewith twopositionair actuators. It sends
a two secondpulseof air to switch thevalveand thenvents theair,simulating
switchingbyhandandeliminating thepotential fordamaging thevalveor
actuatorwithcontinuously-appliedpressure. It also featuresLEDposition
indication,manual and remoteoperation,andacontact closureoutputonarrival
to the INJECTposition,a featurewhichcanbeused to start a runor integration.
TheDVI isavailable for 110or 230VAC.
ProdNo
110VAC
DVI
230VAC
DVI-220
PFAF Position feedback
for twopositionairactuators
Theoptional position feedback (PFAF) canbefield installedonany twoposition
standardair actuator. Eachpositionprovidesacontact closure forTTL logic level
signals.
ProdNo
PFAF
Position feedback
formanual valves
Anoptional position feedback isavailable formanualValcoW typeand
CheminertC2andC4 seriesvalves (standardonCheminertC1valves). The
continuous contact closure,providedonlywhile thevalve is in the injectposition,
can remote start achromatographordata system.
Description
ProdNo
ForValcoW typevalves
4port
PFW90
6port
PFW60
8and10port
PFW36
ForCheminert valves
C2 seriesexcept 4port PFC2
C2 series,4port
PFC4
C4 series
PFC4
CHROMalyticTECHnologyPtyLtdAUSTRALIANDistributors e-mail:
: 03 97622034
