The electric oven and furnace specialists
The electric oven and furnace specialists |
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• Choice of standard sizes • Safe, simple and economical to use
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Tube furnaces are available for a wide range of operating temperatures. Up to 1200°C they are wire wound.
All the furnaces have an inner "heat box" surrounded by an air gap set in a steel mesh outer casing.
The furnace work tube in the ST12 range of furnaces consists of a suitable dense ceramic tube on which high quality spiralled wire elements are carefully positioned to produce a uniform hot zone. A graded back-up of ceramic fibre materials provides the insulation between this tube and the metal work box. The furnace ends are made from heat resisting ceramic material.
A sheathed thermocouple within the chamber (or in contact with the work tube in the ST12 series) gives accurate temperature sensing.
The controls are on the front below the furnace "heat box" and consist of a green illuminating push button on/off switch, an orange "load on" neon, and a red thermal cut-out neon (when fitted with the over-temperature control option). PID solid state, fully automatic temperature controllers are fitted, incorporating thermocouple break protection as standard.
A choice of PID digital controllers with digital setting and readout are offered.
Power supply is 230V 50 Hz single phase unless otherwise requested .
| Model No | Max Temp °C |
Bore / Work tube dia (mm) | Heated length (mm) |
External Dimensions (mm) H x L x D |
Power (kW) |
| ST12/25/250 | 1200 | 25 | 250 | 550 x 300 x 350 | 0.75 |
| ST12/25/500 | 1200 | 25 | 500 | 550 x 550 x 350 | 1 |
| ST12/38/250 | 1200 | 38 | 250 | 550 x 300 x 350 | 1 |
| ST12/38/500 | 1200 | 38 | 500 | 550 x 550 x 350 | 1.5 |
| ST12/50/300 | 1200 | 50 | 300 | 600 x 350 x 350 | 1.5 |
| ST12/50/610 | 1200 | 50 | 610 | 600 x 660 x 350 | 2 |
| ST12/75/610 | 1200 | 75 | 610 | 600 x 650 x 350 | 3 |
| ST12/75/750 | 1200 | 75 | 750 | 600 x 800 x 350 | 3 |
| ST12/100/940 | 1200 | 100 | 940 | 650 x 1000 x 450 | 4 |
| w = Work tube required on these models with inside diameter as shown. | |||||
| Different diameters and lengths can be made to order, as well as multi-tube and split tube furnaces. | |||||
| Vertical tube furnaces are also available. | |||||
| Work tubes, end caps, baffles and other accessories can be supplied to order. | |||||
The above data is offered only as general performance characteristics and may alter due to mains voltage fluctuations and modifications etc. Dimensions are in mms.
The information and data herein are offered solely for your consideration and guidance and are not to be construed as a warranty or specification. Nothing contained herein is to be interpreted as authorisation to practice a patented invention without a licence.
Last modified 11 August 2010