PARR – Series 4520 1 & 2 Liter Bench Top Reactors

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These are the largest of the Parr Reactors that can be handled on a bench top. They can be furnished with either a self-sealing, O-ring closure for working temperatures up to 225 °C or with a flat, PTFE gasket for higher temperatures to 350 °C. Both fixed head and moveable vessel designs are available. 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 Number	4520
Type	1 & 2 Liter Bench Top Reactors
Model Number	4523, 4524, 4525, 4526
Vessel	Moveable or Fixed Head
Sizes	1000 or 2000 mL
Maximum Operating Pressure	1900 psi (130 bar) / 2900 psi (200 bar) For High Pressure Model
Maximum Operating Temperature	275 °C with FKM O-ring 275 °C with FFKM O-ring 350 °C with PTFE Flat Gasket

 

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