The glass made tube of the system can operate at up to 10 bars of pressure. The glass column is either cooled or heated using a circulated water bath. All the lines are made of stainless steel where the connectors are made of Teflon. This system is designed and manufactured in accordance with its working environment. Detectors and analyzers vary depending on the system design. The apparatus can be made of either stainless steel or glass and operate with either liquid or gas material.