Standard Equipment for all models

Basic version

• Compact housing in frame design with removable stainless steel sheets
• Controls and gas supply integrated in the furnace housing
• Welded charging supports in the retort
• Swivel door hinged on right side with open cooling water system
• Multi-zone control, divided between furnace chamber and door. Depending on furnace dimensions, chamber also divided into one or more heating zones
• Gas supply system for one nonflammable protective gas with flow meter and solenoid valve, switchable via the control system
• Operation under vacuum up to 600 °C with optional single-stage rotary vane pump (not for models NRA ../06)
• Port for vacuum pump for cold evacuation
• PLC controls with touch panel H 700 for data input

Additional equipment

• Upgrade for other nonflammable gases
• Automatic gas injection, including MFC flow controller for alternating volume flow, PLC controlled with touch panel H 3700
• Temperature control as charge control with temperature measurement inside and outside the retort
• Vacuum pump for evacuating of the retort up to 600 °C, attainable vacuum up to 10-5 mbar subject to selected pump
• Cooling system for shortening process times
• Heat exchanger with closed-loop cooling water circuit for door cooling