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Sapphire thermocouple protection tubes
   
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Sapphire Products >> Sapphire Tubes >> Sapphire thermocouple tube
 
 

Sapphire tube for thermocouple sheath

  Single crystal sapphire features unique physical and chemical properties, e.g. exceptional chemical stability and corrosion resistance, 100% gas tightness, high melting temperature of 2030 °C, excellent thermal conductivity and heat resistance. Sapphire tube is ideal material for the protection of thermocouples in corrosive environment.
  The super reliability of sapphire protection tube significantly improve life expectancy of the thermocouple and reduce interruptions and shutdowns in operation.
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Sapphire thermocouple tube
  Specifications of Sapphire thermocouple tube
  • Inner Diameter: 15mm
  • Outer Diameter: 18mm
  • Length: 280mm
  • Dimension Tolerance: ±0.05mm
  • Concentricity: ±0.05mm
  • Surface finish: as-grown
 
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Key properties
1. 100% gas tightness, sapphire tube provides environmental insulation and protects the thermocouple from the diffusion of ambient atmosphere.
2. High melting temperature of 2030 °C, sapphire protection tube covers most of high temperature applications of thermocouple.
3. Extremely hard, strong and wear resistant, sapphire tubes can be used in hostile environments to protect thermocouple against pressure and mechanical abuse.
4. Exceptional chemical stability and corrosion resistance, sapphire tube prevents possible damage of thermocouples.
6. Superior dielectric material with a high dielectric constant
7. High Purity 99,995%,
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