Hot wall retort furnaces up to 1100掳C

• Hot Wall Retort Furnaces up to 1100°C, supplied by Obsnap Penang and available throughout Malaysia, are engineered for high-precision thermal processing applications. These advanced furnaces feature a robust hot wall design, providing uniform temperature distribution and excellent heat transfer for processes such as annealing, brazing, and sintering. With a maximum operating temperature of 1100°C, they are ideal for use in metallurgy, material science, and chemical processing industries. Renowned for their reliability, energy efficiency, and user-friendly controls, Obsnap Penang’s Hot Wall Retort Furnaces ensure superior performance and consistent results for all high-temperature processing needs.

• Our state-of-the-art hot wall retort furnaces feature direct or indirect heating mechanisms, tailored to specific temperature requirements. Designed for impeccable performance in various heat treatment processes, these furnaces excel in creating protective or reaction gas atmospheres with utmost precision. 
• Our compact models are versatile and can be configured for heat treatment under vacuum, reaching temperatures up to 600°C. The furnace chamber boasts a gastight retort with advanced water cooling around the door, ensuring optimal sealing protection.
• With cutting-edge safety technology, our retort furnaces are suitable for applications involving reaction gases like hydrogen. They can also be enhanced with the IDB package for inert debinding or pyrolysis processes. Choose from a range of model versions based on your desired temperature range for the ultimate process control and efficiency.Experience the future of heat treatment technology with our advanced hot wall retort furnaces, engineered for excellence and reliability.Different model versions are available depending on the temperature range required for the process :

Hot Wall Retort Furnaces Models NRA ../06 with Tmax 650 °C

• Heating elements located inside the retort
• Temperature uniformity up to +/- 5 °C inside the work space
• Retort made of 1.4571
• Gas circulation fan in the back of the retort provides for optimal temperature uniformity
• Insulation made of mineral wool

Hot Wall Retort Furnaces Models NRA ../09 with Tmax 950 °C

• Design like models NRA ../06 with following differences:
  • Outside heating with heating elements around the retort
  • Retort made of 1.4828
  • Only fiber materials are used which are not classified as carcinogenic according to TRGS 905, class 1 or 2

Hot Wall Retort Furnaces Models NR ../11 with Tmax 1100 °C

• Design like models NRA ../09 with following differences:
  • Retort made of 1.4841
  • Without gas-circulation

• 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 resp. air-baffle box in the furnaces with atmosphere circulation
• Swivel door hinged on right side
• Open cooling water system
• Depending on furnace volume for 950 °C- and 1100 °C-models the control system is divided in one or more heating zones
• Furnace temperature control with measurement outside the retort
• Gas supply system for one non-flammable protective or reaction gas with flow meter and magnetic valve
• Port for vacuum pump for cold evacuation
• Operation under vacuum up to 600 °C with optional single-stage rotary vane pump
• Defined application within the constraints of the operating instructions
• NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Hot Wall Retort Furnaces Additional equipment :

• Upgrade for other non-flammable gases, H2 version for flammable gases
• Automatic gas injection, including MFC flow controller for alternating volume flow, controlled with process control H3700, H1700
• Vacuum pump for evacuating of the retort up to 600 °C, attainable vacuum up to 10-5 mbar subject to selected pump
• Indirect cooling
• Direct cooling
• Heat exchanger with closed-loop cooling water circuit for door cooling
• Measuring device for residual oxygen content
• Door heating
• Temperature control as charge control with temperature measurement inside and outside the retort
• Retort, made of 2.4633 for Tmax 1150 °C
• Process control and documentation via VCD software package or Nabertherm Control Center (NCC) for monitoring, documentation and control