45
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
2
S t i r r e d R e a c t o r s
Because of considerable power requirements for a unit this
size, 3-phase power is typical. Single phase 230 VAC is also pos-
sible, but requires a power source capable of supplying over 40
amps, well beyond the limits of most laboratory power supplies.
Users are advised to have a qualified electrician install a suit-
Series 4555 Pressure Reactor System Specifications
Shaded bar indicates specifications that change within series.
Model Number
4555
4556
4557
4558
Sizes, Gallon (Liter)
5 (18.75)
2.6 (10)
5 (18.75)
2.6 (10)
Maximum Pressure (MAWP)
1900 psi (131 bar)
Maximum Temperature
with FKM O-ring
225 °C
with FFKM O-ring
275 °C
with PTFE Flat Gasket
350 °C
Vessel Style
Moveable Head
Fixed Head
Reactor Mounting
Cart
Floor Stand
Closure
Split-Ring (12 Cap Screws)
Valve Connections
3/8" NPT Male
Magnetic Stirrer, Model No.
A1750HC
Maximum Torque
60 Inch-Pounds
Impeller(s), 6-Blades
2 (5.25" dia.)
2 (3.85" dia.)
2 (5.25" dia.)
2 (3.85" dia.)
Pressure Gage, Size
4.5 inches
Range
0-2000 psi (140 bar)
Temperature Measurement
Thermowell
Cooling Coil
Standard
Style
Serpentine
Bottom Drain Valve (Optional)
1.0" NPT
Heater Style
Ceramic, 3-Zone
Band Heater, 3-Zone
Heater Power, Watts
4500
4250
6000
3600
Stirrer Motor
3/4 hp variable speed
Electrical Supply
Volts, AC
230-1P or 400-415V 3-Phase “Y”
Maximum Load
1P-40 amps, 3P-15 amps/leg
Vessel Dimensions
Inside Diameter, inches
9.5
7.75
9.5
7.75
Inside Depth, inches
16.25
12.2
16.25
12.2
Weight of Vessel, pounds
375
250
375
250
Reactor Dimensions
Width, inches w/o Controller
63
31
Depth, inches
25
43
Height, inches
91
95
87
Weight, pounds
1000
900
1000
900
Spare Parts Kit
4559PCM
4559PDM
Other options available. See Ordering Guide, visit
, or call for more information.
able 3-phase “Y” power supply. Parr Technical Support will
be happy to assist with electrical specifications.
Systems with lower electrical requirements such as jack-
eted systems or lower wattage mantle heaters may be able
to use single phase effectively.
