Parr offers two styles of condensers for attachment to the head of a stirred reactor or pressure vessel. These can be made in various sizes to match the size of the reactor.
The reflux condenser consists of a length of tubing connected directly to the head of a vessel and equipped with a water cooling jacket. Condensed vapors are returned directly to the vessel and any non-condensable gases can be released through a needle valve at the top of the condenser. A helical insert in the condenser ensures maximum effectiveness in a rather short length.
The reflux/take-off condenser consists of a water jacketed tube, the same as described above, assembled with a receiving vessel attached to the lower end of the condenser. Any vapor, such as water from a polymerization reaction, can be condensed and collected in the receiver, from which it can be withdrawn through a bottom valve. Any non-condensable gases can be released through a needle valve at the top of the condenser. If condensate collection is not required, the receiver can be removed and the condenser can be mounted directly above the reactor for direct reflux into the vessel.
Many users opt to install a ball valve at the head of the reactor below the condenser to use as a shut-off to the condenser. Alternate collection vessel volumes are available upon request.
The installation of a condenser on any of the Parr reactors requires a larger port in the head of the vessel, the size of which will vary with the volume of the reactor system. Due to the limited space on the 4560 mini reactors we would change either the gage opening or one of the cooling coil ports to 1/4″ NPT for use with a condenser. This modification would then either combine the gage and condenser functions or eliminate the internal cooling loop to accommodate the condenser. Reactors with volumes of 1 liter and greater would be modified with a 3/8″ NPT opening or larger depending on the reactor volume. The standard head fittings would be rearranged to accommodate this port.
|Reactor||Style||Note||Inner Tube OD Diameter, in.||Standard Receiver, mL||Part No.|
|4560/4590||Reflux/Take-off||Mod. Gage Opening 1/4″ NPT||3/8||150||A2011HC|
|4560/4590||Reflux||Mod. Gage Opening 1/4″ NPT||3/8||A2012HC|
|4560||Reflux/Take-off||Mod. Cooling Coil Opening 1/4″ NPT||3/8||150||A2013HC|
|4560||Reflux||Mod. Cooling Coil Opening 1/4″ NPT||3/8||A2014HC|
|4530 MD*||Reflux/Take-off||3/8″ NPT||1/2||300||A2003HC|
|4530 MD*||Reflux||3/8″ NPT||1/2||A2004HC|
|* with Mag Drive|
4878 Automated Liquid Sampler
Catalyst Addition Devices
Catalyst Testing System
Coned Pressure Fittings
Equipment for Use in Potentially Ignitable Atmospheres
External Valves and Fittings
Gas Measurement Systems
--Intermediate Supply Tanks
--High Pressure Gas Burettes
Insulated Electrical Glands
Liquids Charging Systems
--Liquid Metering Pumps
--Liquid Charging Pipettes
Motors and Drives
Safety Rupture Discs
Sample Collection Vessel
Solids/Slurry Addition Devices
Spare Parts Kits
--Gas Entrainment Impellers
Valves and Fittings
--Bottom Drain Valves
--Manual Control Valves for Compressed Gas Tanks
--Pressure Relief Valves
--Safety Check Valves