Sialon Thermocouple Protection Tubes

Sialon advanced ceramics thermocouple protection tubes sheaths for use in the non-ferrous industry. Now up to 1600 mm or 63 inch in both 28×16 and 34×20 mm diameter!

  • Maximum temperature of 1450 °C   in air and up to 1800 °C in a controlled atmosphere!
  • New up to 1600 mm or 63 Inch length!
  • Sialon thermocouple protection tubes are for both, direct as well as indirect temperature sensing in molten metal (e.g. furnace wall or roof)
  • temperature reading for low-pressure-die-casting machines (e.g. Aluminum wheel manufacturers)
  • For temperature measurements in non-ferrous launders or pouring troughs

For high temperature applications above 1200°C, Sialon ES700 is the preferred choice. Again, offering outstanding physical properties, Sialon can be used be at temperatures up to 1800°C. (In a controlled atmosphere).

We have two standard diameters sialon thermocouple tubes sheaths in stock in lengths varying from 150 mm up to 1,500 mm. Tooling cost may apply. Stock items have a standard groove.

Gas-tight stainless steel adapters are specially suitable for the thermocouple protection tubes sheaths. Test our new valve adapter for low-pressure die casting machines.

Sialon thermocouple sheaths are available in a range of standard sizes, these are usually available within 2 weeks.

19 in stock (can be backordered)

Please describe in detail your request for quotation:



Sialon Thermocouple Protection TubesSialon thermocouple protection tubes & sheaths have superior non-wetting properties over syalon, Si3N4 or silicon nitride.

We manufacture a full range of silicon nitride and sialon advanced ceramic thermocouple protection tubes sheaths for use in the molten aluminium and non-ferrous industry.

Sialon, very differently from slibcasted syalon, thermocouple protection tubes sheaths are an advanced ceramic tube offering outstanding performance for temperature control in aluminium foundries and smelters and are extremely cost effective compared to other materials, such as cast iron, silicon carbide and alumina.

Sialons are alloys of silicon nitride and possess a unique combination of physical properties, such as high strength, toughness, excellent thermal shock resistance and resistance to corrosion, which make it the perfect material in this application.

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