Pit Type Furnaces:
Flexible and powerful
Our pit type furnaces are available in numerous sizes and specific designs and can be equipped with a wide range of accessories and ancillary equipment. They are frequently used for the heat treatment of large gear components for wind turbines.
They are available with or without retorts and are suitable for use in temperatures up to 1,050°C. They are ideal for various heat treatment processes and comply with the latest technology. They feature low-storage insulation that enables targeted temperature gradients.
Technical Details
DIMENSIONS
Diameter: 900 - 3,000 mm
Height: max. 4,500 mm
BATCH WEIGHT
Max. 15,000 kg
GAS SUPPLY
• Nitrogen – methanol
• Nitrogen-hydrogen mixtures
• Endogas, ammonia, nitrogen
• Hydrogen
• Carbon dioxide
FURNACE CONTROL SYSTEM
• Fail safe PLC
• No operator intervention &
highest reliability
• Powerful switching and control
systems with open programmable
control
• Exact reproducibility of the
heat treatment results
• With process control system
on request
COOLING SYSTEM
Indirect cooling via an external cooling fan with air
Quenching in oil/water bath
TEMPERATURE
Max. 1,050 °C

HEAT TREATMENT
• Carburizing
• Case hardening
• Carbonitriding
• Nitriding / nitrocarburizing
• Annealing
• etc.

ADDITIONAL OPTIONS
• LINE: Expansion to complete,
fully automatic nitrocarburizing lines
• REKU HEAT: By installing
recuperative burners a reduction of heating
gas consumption by 20% can be reached
• NITROMA: Nitriding index control with
hydrogen analysis
• DRY: Through an additional heat exchanger
the furnace can operated without
external cooling water
INQUIRY
We’re happy to provide you with a customized quotation according to your needs.
You can reach us easily by phone, email, or via our contact form – we’re here to help!


















