Pit Furnaces
AFC-Holcroft Pit Furnaces – reliable, vertical heat-treat systems for deep-case and tall-part applications
Product details
- Furnace DesignVertical, gas-tight construction for deep and long components
- Load CapacityUp to 15,000 lb (6,800 kg)
- Heating SystemGas-fired or electric radiant-tube configurations
- Atmosphere Circulation SystemIntegrated fans for uniform temperature and atmosphere control
- Quench System OptionsOil, water, polymer, or molten salt
Rugged vertical design for long components and deep-case hardening
Built for longevity and process precision, AFC-Holcroft Pit Furnaces provide the reliability demanded by industries treating long or heavy loads. Each unit is constructed with a gas-tight shell, advanced insulation, and robust temperature-uniformity control. Available in single or multiple zones, they are suitable for a wide range of atmosphere-based processes and can be paired with oil, water, or polymer quench tanks to match the metallurgical application.
Additional technical features
Gas-fired or electric radiant-tube heating systems
Single or multi-zone temperature control for uniform processing
Heavy-duty alloy retorts and load baskets
High-efficiency recirculating fan for atmosphere mixing
Gas-tight top-seal design minimizes atmosphere loss and contamination
Integrated quench pit or external quench tank (oil, water, or polymer)
Optional nitriding and nitrocarburizing configurations with ammonia control and gas analysis
Full automation compatibility for temperature, carbon potential, and process sequencing
Key Benefits for Your Operations
Excellent Temperature Uniformity
Delivers consistent heating performance for reliable and repeatable thermal processing.
Flexible Load Capacity
Handles a wide range of part sizes, weights, and production volumes with customizable configurations.
Efficient Vertical Design
Compact pit-style layout maximizes floor space while supporting deep or long workpieces.
Reliable Atmosphere Control
Advanced control systems maintain precise process conditions and part quality.
Durable, Low-Maintenance Construction
Heavy-duty design and accessible components help reduce downtime and simplify maintenance.
Pit Furnace Specifications
The following table outlines key system specifications and configuration options.
Reliable service throughout your entire system lifecycle
We support our customers throughout the entire lifecycle of their systems – from commissioning and ongoing operation through modernization and digital integration.
FAQ – AFC-Holcroft Pit Furnaces
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Get guidance on equipment selection, process requirements, upgrades, or technical support for your application.