Split tube furnace for high-temperature applications
Enhance your thermal processing operations with a split tube furnace designed for precise temperature control, allowing seamless integration into existing systems for annealing, calcination, and sintering tasks at temperatures up to 1300°C.

The FST/FZS Split Tube Furnace Series from Carbolite Gero offers robust solutions for high-precision thermal processing across various industries. These furnaces are engineered for applications that demand exact temperature control, such as annealing, pyrolysis, and sintering, commonly found in materials science, electronics, and the chemical industry. The split design allows easy integration into existing setups, whether used vertically or horizontally, and provides rapid cooling of samples. These furnaces accommodate work tubes or reactors with fixed flanges and feature programmable temperature controllers that ensure consistency and accuracy with every operation.
The split tube design houses high-quality APM wire heating elements within low thermal mass ceramic fibre insulation, offering exceptional temperature stability and longevity. These furnaces are equipped with sophisticated digital controllers, incorporating over-temperature protection and Ethernet communications for seamless automation and integration into production lines. Options for vacuum and modified atmosphere processing further enhance this series’s versatility, supporting advanced materials research and manufacturing.
Carbolite Gero’s focus on customization ensures that clients can tailor their equipment to specific needs, from choosing the appropriate tube diameters and materials to implementing automated opening mechanisms or inert gas packages. This flexibility, along with robust construction and safety features like quick-release clamps and safety switches, make the FST/FZS Series a comprehensive choice for cutting-edge thermal processing solutions.
Benefits
- Ensures precise temperature control for consistent product quality.
- Increases operational flexibility with vertical and horizontal configurations.
- Reduces energy consumption with advanced insulation and high-efficiency heating elements.
- Facilitates rapid sample cooling and easy maintenance with a split design.
- Supports complex processes with customizable configurations and atmospheric options.
- Applications
- Powder metallurgy,Fuels,Ceramics,Metal powders,Fine chemicals,Metals,Glass,Biopharmaceuticals,Coating materials,Minerals,Catalysts,Electronics,Electronic components,Composites
- End products
- Sintered metal parts,Intermediates for chemical synthesis,Active pharmaceutical ingredients,Spark plugs,Processed mineral additives,Thin film coatings,Ceramic tiles,Carbon fiber composites,Optical glass,Metal powder coatings,Semiconductor chips,Automotive catalysts,Printed circuit boards,Press-ready metallic powders,Aviation fuels
- Steps before
- Preparation of work tubes,Installation of thermocouple,Setup of reactors,Configuration of vacuum assemblies,Adjustment of gas flow systems
- Steps after
- Cool down and removal of samples,Measurement and analysis,Storage of trial data,Cleaning and maintenance of the furnace,Inspection of work components
- Input ingredients
- work tubes,reactors,fixed end flanges
- Output ingredients
- annealed materials,calcined samples,sintered components,hardened materials,dried samples,coated products,tempered items,calibrated thermocouples
- Maximum Operating Temperature
- 1300°C
- Programmable Temperature Controller
- 24 segments (EPC3016P1 for FST,CC-T1 for FZS)
- Heated Length
- 200,500,or 1000 mm (Single-zone)
- 500 or 1000 mm (3-zone)
- Work Tube Diameter
- Up to 150 mm
- Use Orientation
- Horizontal or Vertical
- Thermocouple Type
- Type S
- Heating Element Type
- 5 mm APM wire
- Control Box Cable Length
- 3 m
- Power Supply
- 1 phase 220-240 V or 3 phase 380-415 V
- Power Output
- 1.5 to 60 kW (varies by model)
- Mounting Configuration
- Furnace body and separate control box
- Cooling Channels
- Engineered into housing for convection cooling
- Automation Options for Opening
- Manual with quick-release clamps,optional automated opening
- Vacuum Capability
- Available with rotary vane or turbomolecular pump
- Gas Packages
- Manual or electrically operated valve for up to 3 gases
- Insulation Material
- Ceramic fibre
- Communication Interface
- Ethernet
- Operating Temperature
- Up to 1300°C
- Temperature Control
- Programmable with 24 segments
- Automation Level
- Manual to full automation
- Application Configuration
- Vertical or Horizontal Use
- Cooling Mechanism
- Convection Cooling
- Furnace Design
- Split Tube Design
- Sample Cooling Speed
- Enhanced Cooling with Split Design
- Control Module Connectivity
- Ethernet Communications
- Safety Features
- Quick-release clamps,Safety switch
- Heat resistance
- Up to 1300°C
- Temperature stability
- High grade type S thermocouple
- Wear resistance
- High quality APM wire elements
- Machine Footprint
- 530 x 460 x 560 mm to 2200 x 4700 x 1100 mm
- Tube Diameter
- Up to 150 mm
- Number of Heated Zones
- 1 or 3 zones
- Heated Length
- 200 mm to 4500 mm
- Horizontal/Vertical Use
- Both orientations supported
- Split Design
- Yes,allows for easy tube access
- Ceramic Fibre Insulation
- Low thermal mass
- Furnace Weight
- 35 kg to 200 kg
- Temperature Stability
- Exceptionally long lifetime
- Control Box Cable Length
- 3 m (option for 6 m)
- Control Box Dimensions
- Approx. 500 x 550 x 700 mm and 1100 x 1200 x 700 mm
- Handle with Quick-Release Clamps
- Attached for easy operation
- Work Tube Positioning
- Easy positioning with split heating module
- Cooling Channels
- Engineered into housing for convection cooling
- Programmable temperature controller type
- EPC3016P1 (FST) / CC-T1 (FZS)
- Heating zones
- Single-zone (FST) / 3-zone (FZS)
- Heated lengths
- 200,500,1000 mm (FST) / 500,1000 mm (FZS)
- Work tube diameter
- up to 150 mm
- Mounting configuration
- Vertical / Horizontal
- Tube diameter and material choices
- Various sizes and materials
- Control box separation cable length
- 3 m (standard),6 m (optional)
- Vacuum package type
- Rotary vane pump / Turbomolecular pump
- Gas package configuration
- Manual or electric valve (up to 3 gases)
- Insulation plugs,radiation shields
- Available
- Automated opening mechanism
- Optional
- Larger tube diameters and longer heated lengths
- Optional – Custom design
- Ethernet communications
- Available
- Flanges for inert gas counter flow
- Available
- 'L' stand for mounting
- Optional
- Market info
- Carbolite Gero is renowned for designing and manufacturing high-temperature laboratory and industrial furnaces and ovens, offering expertise in heat treatment solutions, with a reputation for quality, reliability, and precise thermal processing across various industries.