This complete top hat system has two vertical tubular Inconel 601 retorts with a furnace that can heat one retort whilst the other is being prepared or is cooling. The furnace has a parking position when not in use. The system is supplied with a gas safety system to allow the use of hydrogen and can also be used under vacuum.
•  Machined retort base plate for vacuum sealing against a water cooled hearth base with twin elastomer seals
•  Hydrogen flow interlocked to gas safety system requirements: furnace temperature; minimum flow rates; gas supply pressures; and pre-timed nitrogen purge;
gas burn off with flame failure system
•  Three heated zones of 200 mm with 25 mm thick insulated zone barriers