Series 4520 Bench Top Reactors, 1 & 2 L
Series 4520 Bench Top Reactors, 1 & 2 L
These are the largest of the Parr Reactors that can be handled on a bench top. These reactors are available with an FKM O-ring seal for operating temperatures to 225 °C, and FFKM O-ring for temperatures to 300 °C, or with a flat, PTFE gasket for operating temperatures up to 350 °C maximum.
An optional HP (High Pressure) flat gasket version has been added for maximum allowable working pressure of 2900 psi (200 bar) at 350 °C. Both fixed head and moveable vessel designs are available. An optional pneumatic lift is available for the heavier 2 liter cylinder and heater. It should be noted, however, that the 2 liter, fixed head model is tall and may not be convenient to operate on a standard height bench top. We recommend using a floor stand.
With their larger diameter, these mid-size reactors have sufficient space for special modifications, such as: an internal cooling coil, bottom drain valve (not on 2 liter bench top), ball valve for a solids charging port, catalyst addition devices, condensers, electrical feed-throughs and more.
The standard magnetic stirrer drive on these 4520 Models works well for reaction mixtures with viscosities up to 25,000 centipoise. For heavier stirring loads, these reactors can be equipped with larger magnetic drives, more powerful motors, and drive trains capable of delivering additional stirring torque.
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Series 4520 Pressure Reactor System Specifications
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Shaded bar indicates specifications that change within series.
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Model Number
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4523
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4524
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4525
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4526
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Approximate Volume, mL
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1000
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2000
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1000
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2000
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Approximate Volume
for HP Models, mL
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970
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1900
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970
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1900
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Maximum Pressure (MAWP)
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1900 psi (131 bar)
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Maximum Pressure for HP (MAWP)
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2900 psi (200 bar)
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Maximum Temperature
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with FKM O-ring
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225 °C
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with FFKM O-ring
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300 °C
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with PTFE Flat Gasket
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350 °C
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Reactor Details
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Mounting Style
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Fixed Head
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Moveable
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Stand Type
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Bench Top
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Closure
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Split-Ring (6 Compression Bolts for Flat Gasket, no Compression Bolts for O-ring)
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High Pressure Closure
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Split-Ring (12 Compression Bolts for Flat Gasket, no Compression Bolts for O-ring)
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Valve Connections
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1/8″ Male NPT
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Magnetic Drive, Model No.
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A1120HC6 General Purpose or A2140HC Footless
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Maximum Torque
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16 Inch-Pounds
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Impeller(s), 6 blades
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2 (2.28″ dia. / HP: 2.00″ dia.)
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Stirrer Motor
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1/8 hp variable speed
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Pressure Gage, Size
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4.5 inches
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Range
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0-2000 psi (138 bar) / HP: 0-3000 psi (207 bar)
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Temperature Measurement
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Thermowell
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Cooling Coil (optional)
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Serpentine
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Bottom Drain Valve (BDV) (optional)
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Standard Pressure (1900 psi)
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3/8″ NPT
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N/A
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3/8″ NPT
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N/A
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High Pressure (2900 psi)
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1/4″ NPT
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1/4″ NPT
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Lift Mechanism (optional)
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Pneumatic
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N/A
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Heater Style
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Calrod
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Heater Power, Watts
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1000 / 1500
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1500 / 2000
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1000 / 1500
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1500 / 2000
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Electrical Supply
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Volts, AC
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115 / 230
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Maximum Load, amps, 115 / 230
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12 / 9
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Cylinder Dimensions*
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I.D. x Depth, inches
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4.0 x 5.4
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4.0 x 10.5
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4.0 x 5.4
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4.0 x 10.5
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I.D. x Depth, inches for HP
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3.75 x 5.4
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3.75 x 10.5
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3.75 x 5.4
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3.75 x 10.5
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Vessel Assembly Weight, pounds
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33
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38
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30
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36
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Vessel Assembly Weight, pounds for HP
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36
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44
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35
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43
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Cylinder Weight, pounds
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8.9
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13.7
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8.9
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13.7
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Cylinder Weight, pounds for HP
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11.3
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18.4
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11.3
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18.4
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Reactor/Stand Dimensions*
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Width x Depth, inches w/o Controller
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17 x 24
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Height, inches
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38
(48 with BDV)
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48
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38
(48 with BDV)
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48
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Weight, pounds
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105
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120
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100
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115
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Spare Parts Kit
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4529M
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*Weights and dimensions are estimated from the base model.
Final weights and dimensions will vary based on options selected.
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