Parr Instrument - page 175

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P a r r I n s t r u m e n t C o m p a n y
1 - 8 0 0 - 8 7 2 - 7 7 2 0
3
S p e c i a l t y & C u s t o m R e a c t o r s
Series 5000 Pressure Reactor System Specifications
Shaded bar indicates specifications that change within series.
Model Number
5000
Sizes, mL
45
75
No. of Reaction Vessels
6
Maximum Pressure
3000 psi (200 bar)
Maximum Temperature
with FKM O-ring 
225 °C
with FFKM O-ring
275 °C
with PTFE Flat Gasket
300 °C
Closure
with O-ring
Screw Cap
with Flat Gasket
Screw Cap (6 Cap Screws)
Material of Construction
T316SS
Process Controller
Model 4871
Analog Inputs
6 Temperature
6 Pressure
1 Motor Speed
Analog Outputs
1 Stirrer Speed (Optional)
Digital Outputs
6 PID Temperature Control
Temperature Measurement
6 Thermowells
Heater Style
6 Band Heaters, Aluminum Block
Heater Power Watts
250W Per Station, 1500W Total
Stirrer Motor Type
Manual or Computer Controlled
Stirrer Style
PTFE- or Glass- Coated Magnetic Stirrer Bar
Electrical Supply
Volts, AC
115 or 230
Maximum Load, amps
15 / 7.5
Vessel Dimensions
Inside Diameter, inches
1.2
1.5
Inside Depth, inches
2.69 Flat Gasket, 2.50 O-ring
Weight of Vessel, pounds
3
(w/ Panel-mounted valves)
6
(w/ Head-mounted Valves)
Dimensions
Width, in.
Depth, in.
Height, in.
Weight, lb.
Heater
25.75
9.25
2.875
31
Stirrer
28
9.5
7.625
12
4871 Controller
13
11
15
14
Manifold, Remote
26.5
9.0
15
36
Manifold, Head Mount
26.5
9.0
15
18
Other options available. See Ordering Guide, visit
,
or call for more information.
Operating Modes
The Series 5000 Multiple Reaction System
provides an apparatus for running up to six
reactions in parallel to build a database for com-
paring and optimizing operating conditions. The
user can design experiments to:
• Run all reactions at the same temperature
and pressure while varying catalyst loading
or reactant concentrations to optimize these
parameters.
• Run all reactors with identical loads varying
pressures at a common temperature to study
the effect of pressure on reaction rates.
• Run individual reactors with individual load-
ing and temperature and pressure to screen
multiple options for activity.
A comparison of the plots of pressure drop
versus time within the reactors running under
parallel conditions will usually be the most
useful means of measuring reaction rates and
comparing operating conditions. The internal
thermocouple also provides a means of detect-
ing temperature changes due to exothermic
reactions.
Reactor Options
As Parr customers have come to expect with
our line of laboratory pressure reactor equip-
ment, these reactors are offered with a number
of options which permit the user to configure
the system to their reactions and intended oper-
ating conditions. These options include:
O-ring or Flat Gasket Seals.
Vessels with
O-ring seals are closed by simply tightening the
screw cap down hand tight. The maximum oper-
ating temperature will depend upon the O-ring
material. When equipped with FKM (Viton
®
)
O-rings operating temperatures up to 225 °C
are permitted. By substituting FFKM (Kalrez
®
)
O-rings this limit can be raised to 275 °C. Careful
consideration of chemical compatibility must
also be given when selecting O-ring materials.
PTFE gaskets can be used to temperatures up
to 300 °C and offer virtually universal chemi-
cal compatibility. Six cap screws are used to
develop the sealing forces on the PTFE gaskets
in this design.
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