Pit furnaces are a type of industrial furnace typically used for heat treating, hardening, and melting metals, particularly in applications that require high-temperature processes. Designed with a pit-like structure, these furnaces allow for the direct heating of materials placed inside, often using either electric or gas-powered heating elements. Pit furnaces are commonly used in metalworking industries for tasks such as annealing, sintering, and tempering of metals like steel, aluminum, and other alloys. Their design offers excellent heat retention, uniform temperature distribution, and efficient energy usage, making them ideal for batch processing and large-volume material treatment. These furnaces are durable, versatile, and cost-effective, often found in foundries, heat treatment shops, and other manufacturing facilities.
Application | Annealing, Tempering, Sintering, Gas carburizing, Nitriding, |
Operating temperature | 500°C – 1150°C |
Heating element | Metallic resistors. |
Insulation | Ceramic fibre and refractory bricks |
Power supply | 415 V, 3 Phase |
Control Panel | PID & Thyristorized control panel with PLC and HMI as an option |
Crucible | Silicon carbide, graphite, refractory lining |
Capacity | 5kg to 2000 kg |
Floor level | Below ground level |