
B5_TH: single chamber furnace (oil quenching).

B6_TH: two-chamber furnace (oil + gas quenching).
Optional Thermochemical Capabilities
Each oil quenching furnace can be equipped with advanced thermochemical processing options, including:
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Carbonitriding
These options enhance performance for applications requiring specific surface hardening characteristics.
BMI offers high-performance oil quenching furnaces for vacuum heat treatment, available in horizontal loading configurations tailored to industrial applications requiring precision and repeatability.
Our range of Horizontal Furnaces
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B5_TH Series: Single-chamber vacuum oil quenching furnace, ideal for compact installations with lower investment requirements
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B6_TH Series: Dual-chamber oil quenching furnace, allowing both vacuum oil quenching and gas quenching in a single, versatile system
The B5_TH furnace is a cost-effective solution for facilities with space or budget constraints, while the B6_TH model offers greater flexibility, enabling treatment of a wide variety of steel grades with reduced operational costs.
Benefits of our Vacuum Oil Quenching Furnaces
BMI’s horizontal vacuum oil quenching furnaces are proven in demanding industrial environments and deliver:
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High productivity through fast cycle times
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Excellent temperature uniformity and high vacuum levels
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Automatic part transfer to the oil bath for optimal quenching speed
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Consistent, reproducible results via fully automated control systems
Need a solution for longer parts or high-volume production? Discover our V6_TH vertical dual-chamber vacuum oil quenching furnaces, specially designed for larger workloads and extended parts.
Technical Details

450 x 450 x 600 mm – 900 x 900 x 1200 mm

200 – 1200 kg

Graphite, Molybdenum or alternative fiber/wool combinations

10-2 mbar, 10-5 mbar, 10-6 mbar

Max 1050°C, 1250°C

GRAPHTIL® man-machine interface

Cooling pressure: 1 bar abs (oil) to 6 bar abs (gas)

ALLCARB® low-pressure carburizing

Heat Treatment Processes
- Oil quenching (without surface oxidation)
- Gas Quenching
- Hyperquenching of stainless steels
- Annealing
- ALLCARB® low-pressure carburizing
- Carbonitriding
A few references



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