Carbolite Gero Ltd - part of Verder Scientific

- Model FHA / FHC - Universal Tube Furnaces Up to 1350°C

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The FHA, single zone, and FHC, 3-zone, tube furnaces can be used either vertically or horizontally and have a maximum operating temperature of 1350 °C. The extensive F range of tube furnaces is offered with a wide range of accessories. The furnaces comprise ceramic fibre modules with a high quality 5 mm APM wire heating element mounted in the insulation, held in position by a ceramic holding ridge. The low thermal mass ceramic fibre insulation ensures low energy consumption and allows fast heating rates. The control thermocouple is a high grade type S thermocouple. Additionally, the tube furnace is available with up to 8 heating zones for the most precise temperature control and uniformity.

Ageing, annealing, brazing, calcination, catalyst research, CIM, coating, CVD, degassing, drying, hardening, MIM, miniplants, pyrolysis, sintering, soldering, sublimation, synthesis, tempering, test fuel cells, thermocouple calibration.

  • 1350 °C maximum operating temperature
  • Single zone models fitted with Carbolite Gero 3216CC PID controller with single ramp to setpoint and process timer
  • 3-zone models fitted with 1 x programmable 3216CC and 2 x 3216CC end zone controllers, with retransmission of setpoint
  • Accepts work tubes with outer diameters up to 110 mm
  • Heated lengths of 200, 500, 750, 1000 or 1250 mm
  • Use in horizontal or vertical orientation
  • Exceptional lifetime and temperature stability
  • High grade type S thermocouple
  • Low thermal mass ceramic fibre insulation
  • High quality 5 mm APM wire as heating element
  • Furnace fitted with separate control box with 3 m cable, plug and socket

  • A range of sophisticated digital controllers, multi-segment programmers and data loggers is available. These can be fitted with RS232, RS485 or Ethernet communications
  • Over-temperature protection (recommended to protect valuable contents & for unattended operation)
  • Wide choice of tube diameters and materials is available: eg quartz, ceramic, metal
  • 'L' stand for vertical usage
  • Insulation plugs & radiation shields to prevent heat loss & improve uniformity
  • Modified atmosphere and vacuum assemblies are available
  • Larger tube diameters on request
  • Vacuum packages with a choice of rotary vane pump or turbomolecular pump are available for furnaces with tube inner diameters of 60 mm and above
  • Oxygen sensor for inert gas packages

Image

View inside of the tube furnace

  1. outer case
  2. end insulation
  3. case insulation
  4. heating elements
  5. inner insulation (hot face)

The rectangular housing is constructed with slots for convection cooling of the outer housing. With insulation made from low thermal mass ceramic fibre material, the heat conduction is reduced to a minimum.

Inside the tube furnace, the heating element is constructed of vacuum formed fibres containing free radiating heating elements that are attached to the insulation by a ceramic holding ridge.

When compared to conventional heating methods, the 5 mm thick heating wires are combined with a low voltage, heavy-weight transformer power supply that provides an extraordinary long lifetime of the heating elements and temperature stability. The control thermocouple is a high grade type S thermocouple. Additionally, each tube furnace model is available with up to 8 heating zones for the most precise temperature control and uniformity.

FHA 13/32/200
Max outer diameter accessory tube (mm): 32
Heated length (mm): 200

FHA 13/32/500
Max outer diameter accessory tube (mm): 32
Heated length (mm): 500

FHA 13/50/200
Max outer diameter accessory tube (mm): 50
Heated length (mm): 200

FHA 13/50/500
Max outer diameter accessory tube (mm): 50
Heated length (mm): 500

FHA 13/50/750
Max outer diameter accessory tube (mm): 50
Heated length (mm): 750

FHA 13/80/200
Max outer diameter accessory tube (mm): 80
Heated length (mm): 200

FHA 13/80/500
Max outer diameter accessory tube (mm): 80
Heated length (mm): 500

FHA 13/80/750
Max outer diameter accessory tube (mm): 80
Heated length (mm): 750

FHA 13/80/1000
Max outer diameter accessory tube (mm): 80
Heated length (mm): 1000

FHA 13/110/500
Max outer diameter accessory tube (mm): 110
Heated length (mm): 500

FHA 13/110/750
Max outer diameter accessory tube (mm): 110
Heated length (mm): 750

FHA 13/110/1000
Max outer diameter accessory tube (mm): 110
Heated length (mm): 1000

FHA 13/110/1250
Max outer diameter accessory tube (mm): 110
Heated length (mm): 1250

FHC 13/32/500
Max outer diameter accessory tube (mm): 32
Heated length (mm): 500

FHC 13/50/500
Max outer diameter accessory tube (mm): 50
Heated length (mm): 500

FHC 13/50/750
Max outer diameter accessory tube (mm): 50
Heated length (mm): 750

FHC 13/80/500
Max outer diameter accessory tube (mm): 80
Heated length (mm): 500

FHC 13/80/750
Max outer diameter accessory tube (mm): 80
Heated length (mm): 750

FHC 13/80/1000
Max outer diameter accessory tube (mm): 80
Heated length (mm): 1000

FHC 13/110/500
Max outer diameter accessory tube (mm): 110
Heated length (mm): 500

FHC 13/110/750
Max outer diameter accessory tube (mm): 110
Heated length (mm): 750

FHC 13/110/1000
Max outer diameter accessory tube (mm): 110
Heated length (mm): 1000

FHC 13/110/1250

  • Max outer diameter accessory tube (mm): 110
  • Heated length (mm): 1250
  • Max temp (°C): 1350
  • Furnace dimensions H x W x D (mm): 590 x 1450 x 520
  • Furnace weight (kg): 130
  • Tube length for use in air (mm): 1440
  • Tube length for use with modified atmosphere (mm): 1975
  • Control module dimensions H x W x D (mm): 1100 x 560 x 500
  • Control module weight (kg): 90
  • Uniform length ±5°C (mm): 950
  • Three zone version available: yes
  • Power (kW): 20.0
  • Power supply: d

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