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4560 Mini Bench Top Reactors
Parr Instrument Company
Revision 6-28-02
IDENTIFY THE VALVES
Gas Inlet Valves
The gas inlet valve is easily identified
when the vessel is open by noting that it is
connected to a dip tube which extends to a
point near the bottom of the cylinder. With
this arrangement, incoming gas is always
introduced below the surface of the liquid.
This valve includes a coupling with an “A”
socket connection for attachment of the
pressure hose.
Gas Release Valve
The gas release valve is typically
connected to a side opening on the gage
adapter. Gas released from this valve will
be drawn from the top of the reactor.
Liquid Sampling Valve
The liquid sampling valve is attached
to the same fitting as the gas inlet valve and
connected to the same dip tube. This
provides the operator with a means for
clearing the dip tube to be sure that any
sample taken during a run will be
representative of the charge. This can be
done by opening the gas valve momentarily
to force any liquid in the tube back into the
reactor before withdrawing a sample from
the sampling valve.
Safety Rupture Disc
Gas Inlet Valve
Liquid Sampling Valve
Dip Tube
Stirring Shaft
Lower Guide Bearing
Adjustable Impeller(s)
Pressure Gage
Magnetic Drive
Thermocouple
Gas Release Valve
Vessel Water Cooling Channel
Thermocouple / Thermowell
Cooling Loop
Removable Head Shown
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