The Series 4601-4622 1.0 and 2.0 L Vessels are available from Parr as either a General Purpose or High Pressure Vessel. General Purpose versions achieve 1900 psi (130 bar) at temperatures up to 350 °C. Please note that in the High Pressure version the volume slightly decreases and the maximum temperature decreases with the higher pressure. 
 
Both the General Purpose and High Pressure versions of these Bench Top mounted vessels are available as either a moveable vessel or as a fixed head vessel. The Split Ring closure is available with or without 6 cap screws and the head can accommodate from 6-10 openings.