Series 4700 General Purpose Pressure Vessel
These are the smallest of the Parr General Purpose Pressure Vessels. They have a 1-inch inside diameter and are offered in two different lengths with volumes of 22 and 45 mL. These vessels have a flat PTFE gasket or flexible graphite that is sealed with a screw cap. Special wrenches and bench sockets are offered for tightening these closures. The screw caps and bodies are made of alloy steel for use at temperatures to 30…
Series 4700 General Purpose Pressure Vessel
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Easy to use and fast to have good protein extractions
Protein extraction, membrane preparation
I use this pressure vessel to prepare my membrane extractions. It's a simple system with several pressure control valves. You put your cell suspensions in High Pressure from 10 to 200 bar and by the nitrogen decompression method. You can obtain quite rapidly your protein extraction and after more or less 30 minutes, you centrifuge your sample and you have you extraction. You can use a sample volume between 0,25 to 1000 mL.
Review Date: 3 Nov 2023 | Parr Instrument Co.
These are the smallest of the Parr General Purpose Pressure Vessels. They have a 1-inch inside diameter and are offered in two different lengths with volumes of 22 and 45 mL.
These vessels have a flat PTFE gasket or flexible graphite that is sealed with a screw cap. Special wrenches and bench sockets are offered for tightening these closures. The screw caps and bodies are made of alloy steel for use at temperatures to 300 °C. The maximum working pressure is 1700 psi (115 bar). The standard material of construction for these small, inexpensive vessels is Type 316 Stainless Steel, but they are also available in all of the current materials of construction Parr provides.
There is room for a single opening on the head of these vessels. This is generally an “A” socket which will accept a 4310 Gage Block Assembly. These heads can also be furnished with 1/8″ NPT, 1/4″ NPT, or a rupture disc assembly. Heads with an NPT port can be provided with a special fitting to allow mounting of both a needle valve and rupture disc, for use in ovens.
